Industrial Heating March 2011

March 2011

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Isothermal Heat Pipes p.37 Versatile HPGQ Vacuum p.43 Controlling Carbon p.51 Cooling Tower Fatigue p.54 Commercial Heat Treaters Directory p.56 A

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SPEED UNIFORMITY EFFICIENCY

It's what's under

S U R FA C E INTEGRITY

R

that counts.

TECHNOLOGY

INNOVATION

“It’s what’s under the surface that counts...” This saying is used all too often in life in various circumstances. While it is important in the short run to have a good outward appearance to encourage the Àrst conversation, Àrst test drive or Àrst visit, it is more important in the long term to have substance. Surface Combustion is proud to have both. In addition to the countless hours that Surface personnel participates in industry associations, organizations and events, serving on boards and committees, writing articles, attending trade shows and contributing to the growth and development of the heat treating industry,

we also manufacture an excellent line of products. These products are created and/or improved using our wealth of knowledge and experience that can only be gained by nearly 100 years in the business. Tradition, integrity, technology, innovation, and dependability are our “beneath the surface” traits that are important to long term success. So, remember us for your next thermal processing equipment needs, and remember that... ...“It’s what’s under SURFACE® that counts”.

1700 Indian Wood Circle • P.O. Box 428 • Maumee, OH 43537 Ph: (800) 537-8980 • (419) 891-7150 Fax: (419) 891-7151 Email: [email protected] Website: www.surfacecombustion.com IH07104Sur.indd 1

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CONTENTS

March 2011 • Vol. LXXIX • No. 3

On the Cover:

A R T I C L E S

An operator is shown loading parts into a 25-bar HPGQ SECO/WARWICK furnace. Furnaces such as this are used for hardening with gas or high-pressure quench, vacuum pre-nitriding and low-pressure (LPC) vacuum carburizing. See the article on page 43.

37

Heat Treating

Applying High-Temperature Heat-Pipe Technology to Precision Heat Treating and Materials Processing Peter Dussinger – Advanced Cooling Technologies; Lancaster, Pa. High-temperature heat pipes can be used to build heattreating and materials-processing furnaces that are capable of extraordinarily precise temperature setpoints and isothermality.

Vacuum/Surface Treating

43

New Capabilities in HPGQ Vacuum Furnaces M. Korecki and J. Olejnik – SECO/WARWICK; Swiebodzin, POLAND J. Kula – Technical University of Lodz; Lodz, POLAND HPGQ vacuum furnaces are commonly used for heat treating high-, medium- and low-alloy steel tools, HSLA steel products and for individual applications of low-pressure (vacuum) carburizing (LPC) technology.

Process Control & Instrumentation

F E A T U R E

51

Carbon Controlling with O2-Probe and L-Probe D. Mikulovic' – MESA Electronic GmbH; Leitenstr., Geretsried, GERMANY Gas carburizing still plays an important role in heat treatment. Temperature and carbon potential (C-potential) of the atmosphere are the key process-control parameters. In this article, the essential differences in oxygen-probe construction will be discussed as well as their advantages and disadvantages.

54

Heat & Corrosion Resistant Alloys/Composites

Maintenance for Cooling Towers: Protecting Process-Cooling Systems from Costly “Fatigue” Tom Ryder – Delta Cooling Towers; Rockaway, N.J. If your cooling tower and related equipment are not in good physical shape, there could be a terrible price to pay in loss of process efficiency, damage to downstream equipment and loss of production. IndustrialHeating.com - March 2011 5

12

COLUMNS 12

Editorial Good News! At Industrial Heating, we like to talk about the good news. We take our job of informing you very seriously, however, and that means that what we have to say is not always good. This month’s editorial is focused only on “good news,” using the words as a framework.

14

Federal Triangle Patent Reform: Lies and Real Needs Intellectual-property (IP) protection is a main federal responsibility defined by the Constitution. However, a new bill recently passed by the Judiciary Committee encourages those with means to “game the system.” In other words, it’s a work order for lawyers.

16

14

The Heat Treat Doctor™ Toughness Revisited A material may be strong and tough, exhibiting high strains if it ruptures under high loads. Generally speaking, strength indicates how much load/stress the material can sustain, while toughness indicates how much energy a material can absorb before rupturing.

20

Environmental & Safety Issues Demystifying Hazardous (Classified) Areas Furnaces use fuel, and fuel creates a risk of fire and explosion. Furnaces also have flames, and flames can ignite combustibles. Learn why all high-temperature processing areas are not designated as “hazardous-classified.”

22

22

Now You Know Railroads Return When we think of railroads, we typically think of our grandfather’s time. Certainly, railroads are an emblem of the past, but did you know that the railroads are a $78 billion industry? Did you also know that the railroad is making a comeback?

78 Literature Showcase

90 Advertiser Index

INDUSTRIAL HEATING Volume 79, Issue 3(ISSN 0019-8374) is published 12 times annually, monthly, by BNP Media, 2401 W. Big Beaver Rd., Suite 700, Troy, MI 48084-3333. Telephone: (248) 362-3700, Fax: (248) 362-0317. No charge for subscriptions to qualified individuals. Annual rate for subscriptions to nonqualified individuals in the U.S.A.: $115.00 USD. Annual rate for subscriptions to nonqualified individuals in Canada: $149.00 USD (includes GST & postage); all other countries: $165.00 (int’l mail) payable in U.S. funds. Printed in the U.S.A. Copyright 2011, by BNP Media. All rights reserved. The contents of this publication may not be reproduced in whole or in part without the consent of the publisher. The publisher is not responsible for product claims and representations. Periodicals Postage Paid at Troy, MI and at additional mailing offices. POSTMASTER: Send address changes to: INDUSTRIAL HEATING, P.O. Box 2147, Skokie, IL 60076. Canada Post: Publications Mail Agreement #40612608. GST account: 131263923. Send returns (Canada) to Pitney Bowes, P.O. Box 25542, London, ON, N6C 6B2. Change of address: Send old address label along with new address to INDUSTRIAL HEATING, P.O. Box 2147, Skokie, IL 60076. For single copies or back issues: contact Ann Kalb at (248) 244-6499 or [email protected].

W

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Advanced Heat Treat Corp., Cullman Ajax TOCCO Magnethermic, listed Boaz - see Bluewater previo Thermalusly our ad on page Solution se of the s, Athens 9 of their led databa CMC Impact Metals,y Pell d registr a detaile the nd an unriva time with Pinson Valley etically byCity you will fi Treating alphabHeat only this Rex Heat down these pages, Treat - Alabama , Pinson treaters … is broken Coleman ercial Heat Inc., ercial heat s. This section Heat Treating valuableAnniston 2011 Comm ive comm and service extremely , Jacksonville Controll Heating’s is located. prove ed Thermal a comprehens ete capabilities will Industrial company e in search will find anyonTechnolo gy, Phoenix resource that Desert Fire elcome to rs – compl t ofIndustrie in which the Here you . great a treate state interes ory. are section s l heat ries Inc., Phoenix Direct the best Phoenix Heatthis specia Treaters commercial just like a phone book. These directo the year. It is in at and browse TreatingryInc., listing of , online Phoenix Systems throughout alphabetical t information. It reads ng Institute (MTI) to take time Refrac this directo , Chandler you to out treater ng er Aremac Heat Treati contac ercial heat Treating tage by checki Bodycot all MTI memb company’s of the Metal of a comm eat. e, Westmin LLC, City of Industry with each further advan mercialheattr a member accompanies (+) that looking for m/com You can take Bodycote, Santa ster If you’re for the star ialheating.co Fe ial Heating’s eyes peeled Bodycot Treat Ltd. Springs 00 www.industr to Industr 677-80 Allied Heate, Santa keep your Fe Springs 64). On ue onward ON (905) Bodycot auga, ng on p. Corporation Moe Price e, Los Angeles Mississ enough, contin listings. ory (starti ttreat.com; Magnethermic Bodycot liedhea catalog isn’t Capabilities Direct e, Rancho Doming Ajax TOCCO 80 www.al As if this (905) 683-49 uez Bodycote, Hunting g Co. Inc. Heat-Treating g Solutions+ Ajax, ON Steel Treatinton Park o.com Heat Treatin 54 Commercial Alloy Bodycote, Fremont 673-1611 Advanced www.ajaxtocc (269) 628-21 ON (905) Gobles, MI Burbank Mississauga, heattreating.com John Caruso g Ltd.+ Steel Treating PAGE 9 Treatin ON AD 11 vanced Heat Inc., Burbank Products 676-09 A&M Byington www.ad SEE OUR 66 Allread Steel ON (905) Pres. (860) 589-35 Pres. Inc.,Bill le, CT Treating Mississauga, at.com Allread, Peter Sethi, Californi Treating Co.+ Terryvil m; Santa Clara a Brazing,ducts.co 11 Akron Steel Commercial Newark 773-82 lreadpro ation, www.amheattre Pres. Californi (330) www.al a Surface Hardenin Hasnat, AirSep Corpor Akron, OH ltreating.com Mohammad g Inc., Compto Certified Metal Coatings Brazing, 02 Products Div. www.akronstee Pres. n Co.+ American Craft ts Cajon Inc., El h Ltd., Surface 40 (716) 691-02 Produc NY Powell, City , SurfTec A. M Steel Paulo 00 Buffalo 362-05 A& Heat Treating Joseph Div. of .com ALD ON (905) Mgr. Inc.,946-59 Continental hby, OH (440) Santa Fe Springs e GmbH, www.airsepcpd Jr., N.A. Reg. Sales Mississauga, Plant Mgr. Heat Treating om Willoug and Operat r, , Santa Fe Springs ALD Own Cook Inductio ericanbrazing.c ent Inc.+ James T. Klein, Yasir Abubak www.am Mgr. n Heating Limited Dev.Maywoo Thermal Treatm357-0682 Bus.Co., Edwards International Brazing Inc. ds, d HeatProut, Steve Treating Service, Inc.+ 50 Ajax TOCCO Saltley, West Midlan A & S Silver Hanau, (810) or www.ald-vt.de Galaxy Brazing .com (586) 756-73 TreatingSan Leandro MI gham, , ldtt.com axtocco Heat Co. an Birmin Warren www.a 33 50 Americ Inc., Santa -8000; www.aj .com Garner Heat 268-17 Fe Springs AD ON PAGE Treat, Inc., CT (203) 011-44-121-322 www.asbrazing SEE OUR at GmbH Monroe Oakland ing.com High Speed , Oper. Dir. Pres. ent, Vacuhe ericanheattreat Steel Treating Phil Hyland 9 Dan Kalich, Treatm l 402219 www.am PAGE Co. Inc.,sing s Ltd.+ Co.+ AD ON ALD Therma frohna, +49 3722 MPT America Corp., Ontario SEE OUR Metal Treater 20 pht.com Metal Proces Nitrex Inc., American Valencia Aberfoyle Limbach-Ober t.de San Jose (586) 757-7337; www.am Magnethermic (519) 763-11 MI Ajax TOCCO 70 Palmdale Heat Guelph, ON www.vacuhea PAGE 33 Warren, mt.com Treating Inc., (256) 593-77 AD ON Boaz, AL www.aberfoyleSEE OUR Quality Heat Treatineg Co.+ MetalPalmdal o.com Pres. Treating American Inc. Scarrott Inc., Burbank 431-4492 www.ajaxtocc Reg. Sales Mgr. Harry Hall, l Treatment OH (216) Metallur Aalberts gicalnd, Clevela C lt eating com i g Co of - ALD Therma H uston Lee, 9 MI 48060

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28 Industry News

State/Province

DEPARTMENTS

56 Commercial Heat Treaters Directory 64 Commercial Heat-Treating Capabilities Directory Member MTI

IHEA Profile – IHEA Goes International

Bright

26

SPECIAL SECTIONS

Full

MTI Profile – Furnace Parts, LLC

Homogenize Isothermal Local

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Who will invest in developing the advanced technology you need to stay competitive?

WILL. Inductotherm Group: Many companies. One mission. To design and manufacture the most advanced thermal processing systems to help your company succeed. No matter what metal you melt, heat treat, hot forge or process, the Inductotherm Group will put our shared knowledge, global reach and unparalleled technology to work for one company. Yours. INDUCTOTHERMGROUP.COM

Everyday Metallurgy Re-sounding Liberty e Much of U.S. history involves high-temperature thermal processing in one form or another – melting, forging or heat treating. In October 1751, the Pennsylvania Assembly ordered the original Liberty Bell from Whitechapel Foundry in London. The bell arrived on Sept. 1, 1752. During the first test ring, the bell cracked.

Online O li Exclusive E l i Gas Quenching The 19th installment of Dan Herring’s Vacuum Heat-Treatment Series looks at gas quenching, which is a technique used to achieve both proper part hardness (surface and core) and optimize part microstructure.

IH Top 5 Most E-mailed Articles (search for these on our website) 1. Installation of Dilute Oxygen Combustion System at Jinlong Anode Furnace 2. Furnace Maintenance and Operation Requirements in AMS 2750D 3. Design of Heat-Treatment Cycles: A Case Study for Salt Bath Hardening of Tool Steel 4. Maintenance Practices, Procedures and Tips 5. America’s Immigrants are Industry’s Employees

The Experts Speak Five top industry professionals provide blogs on important topics directly related to their field of expertise. Snap this tag to visit The Experts Speak page.

Dan Herring Heat Treatment

Dan Kay Brazing

Jack Marino Corporate Mgt.

Rick Martin Safety

David Pye Metallurgy

IH Training: Free Webinar May 19 – Induction Success or Failure: Optimum Frequency for Your Process Selection of the correct operating frequency for an induction heating application can spell the difference between a successful process and the inability to perform. This webinar will explore the theory behind frequency selection and the methods for obtaining the optimum frequency for the application. Snap this tag to register

Best Value in the Industry. The design features of the BeaverMatic R Internal Quench Furnace (IQF) make this heat treating workhorse the best value in price and quality. Its unique design concept provides: ease of operation minimum maintenance process versatility.

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With its proven performance and track record, make your next IQF investment a BeaverMatic.

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Advancements in Gear Hardening

GEAR HARDENING

Single Precise Frequency Profile Hardening. Recognizing the demand for greater equipment simplicity has motivated Ajax TOCCO to develop and refine a customer driven innovative system based on the use of a specifically precise selected single programmed frequency. This frequency is used to produce the required diametrical pitch gear tooth profile hardened pattern. This is just one of the numerous advancements Ajax TOCCO is producing for the future. For more information, please visit our website or call Ajax TOCCO.

Ajax TOCCO Magnethermic® Corporation 1745 Overland Ave Warren, OH 44483 Tel: 800-547-1527

THE GLOBAL FORCE IN INDUCTION TECHNOLOGY

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Manor Oak One, Suite 450, 1910 Cochran Rd., Pittsburgh, PA 15220 Phone: 412-531-3370 • Fax: 412-531-3375 Website: www.industrialheating.com Doug Glenn Publisher • 412-306-4351 [email protected] EDITORIAL/PRODUCTION STAFF Reed Miller Associate Publisher/Editor–M.S. Met. Eng., [email protected] • 412-306-4360 Bill Mayer Associate Editor, [email protected] • 412-306-4350 R. Barry Ashby Washington Editor Dan Herring Contributing Technical Editor Dean Peters Contributing Editor Beth McClelland Production Manager, [email protected] • 412-306-4354 Brent Miller Art Director, [email protected] • 412-306-4356 AUDIENCE DEVELOPMENT Christina GietzenAudience Development Coordinator Alison Illes Multimedia Specialist Catherine M. Ronan Corporate Audience Audit Mgr. For subscription information or service, please contact Customer Service at: Tel. (847) 763-9534 or Fax (847) 763-9538 or e-mail [email protected] LIST RENTAL Postal contact: Rob Liska at 800-223-2194 x726 [email protected] Email contact: Shawn Kingston at 800-409-4443828; [email protected] ADVERTISING SALES REPRESENTATIVES Kathy Pisano Advertising Director, [email protected] • Ph: 412-306-4357 Fax: 412-531-3375 Becky McClelland Classified Advertising Mgr., [email protected] • 412-306-4355

Larry Pullman Eastern & West Coast Sales Mgr. 317 Birch Laurel, Woodstock, GA 30188 Toll free: 1-888-494-8480 or 678-494-8480 Fax: 888-494-8481 • [email protected] Steve Roth Midwest Sales Mgr., (520) 742-0175 Fax: 847-256-3042 • [email protected] Patrick Connolly European Sales Representative Patco Media - London, 99 Kings Road, Westcliff, Essex (UK) SSO 8PH, (44) 1-702-477341; Fax: (44) 1-702-477559 [email protected] Mr. V. Shivkumar India Sales Representative, [email protected] Mr. Arlen LUO Newsteel Media, China; Tel: 0086-10-8857-9899; Fax: 0086-10-8216-0061; [email protected] Becky McClelland Reprint Quotes, 412-306-4355 Susan Heinauer Online Advertising Manager, [email protected] • 412-306-4352 CORPORATE DIRECTORS Publishing: Timothy A. Fausch Publishing: John R. Schrei Corporate Strategy: Rita M. Foumia Information Technology: Scott Kesler Marketing: Ariane Claire Production: Vincent M. Miconi Finance: Lisa L. Paulus Creative: Michael T. Powell Directories: Nikki Smith Human Resources: Marlene J. Witthoft Conferences & Events: Emily Patten Clear Seas Research: Beth A. Surowiec BNP Media Helps People Succeed in Business with Superior Information

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Editorial Reed Miller, Associate Publisher/Editor | 412-306-4360 | [email protected]

Good News!

A

t Industrial Heating, we like to talk about the good news. We take our job of informing you very serin ously, however, and that means that what we have o to say is not always good. This month’s editorial is t focused only on good news, so I felt we should use the words as a framework.

G

is for growth. The latest news from my favorite economist, Jeff Thredgold (www.thredgold.com), is that the U.S. economy is “now showing more signs of selfsustaining growth. In the final quarter of 2010, the American economy (GDP) grew at a 3.2% real (after inflation) annual rate.” Thredgold indicates that this growth is not the artificial type experienced as a result of massive government stimulus. In a recent U.K. engineering-publication editorial, the editor quoted optoelectronics pioneer Prof. David Payne as saying, “The best thing government can do is help create an environment in which innovation can thrive and then stand well back.” Whether in the U.S. or the U.K., we can’t agree more.

O

is for orders. The Purchasing Managers Index (PMI) registered a New-Orders Index of 67.8% in January, which is an increase of 5.8% when compared to December’s 62%. This is the 19th month of growth in this index. The PMI index itself in January was the highest rate since May 2004. The report indicates that “capital equipment sales are building, especially in areas like mining and drilling equipment, industrial machinery and aerospace.” Our own economic report – IH Economic Indicators – showed the change in the number of orders to be the highest since May 2007.

O

also signifies output. Manufacturers hit hard by the “great recession” added 136,000 jobs in 2010. While this is a small number compared to the losses in 2008 and 2009, manufacturers have managed to boost output in recent years. This means that operations are more efficient – lean and mean. Now, they also have an order backlog, which will likely push companies to add workers. In our industry, automotive might be “driving” this output increase because sales rose significantly in January. GM and Chrysler saw sales increases of 23%, and Ford experienced a gain of 9%.

D

is for direction. One of the important things the PMI report shows is the direction of the various metrics. Including the summaries, there are 13 different measures in the report. Every 12 March 2011 - IndustrialHeating.com

measure except inventories is in a “growing” direction. As things are picking up, it makes sense that inventories are decreasing. This will encourage even further growth as companies try to beef up their depleted inventories.

N

is for news. In our magEzine newsletter, we recently reported that a U.K.-based heat treater expected business to be up by 25% in 2011. Based on the fact that the Metals Service Center Institute recently reported a 20.6% increase in 2010 steel shipments over 2009 and a 25.8% increase in aluminum, the U.K. prediction is not too hard to believe. Especially in light of the automotive numbers reported in January, business growth of 20% or higher would not be unexpected in 2011.

E

stands for employees. What have you done for them lately? Unfortunately, difficult business conditions often leave employees feeling the pain. Are you planning to bring back benefits that were necessarily cut in the downturn? Check out December’s editorial in our archives for some ideas of how to bring employees back into the action.

W

is for winter. I was considering a number of things for “W,” and most would have built on what we already discussed. Walking into work today with a temperature of 12˚F and Chicago digging out from a massive snowstorm of 2 feet or more, the best news I could think of is that winter is almost over!

S

stands for steel. As one example of where the industry is headed, I thought I’d take a look at the five companies in the steel industry with the highest sales growth. Admittedly, these are all smaller companies, but your company is probably also a small company. Universal Stainless & Alloy had year-over-year growth of 105.1% during the last quarter. Cliffs Natural Resources saw 102.5% growth, and Olympic Steel experienced 72% year-overyear sales growth. Schnitzer Steel Industries reported year-overyear sales growth of 71.2%, and Mechel came in at 68%. We hope this good-news-only editorial helps you focus on the positive business outlook ahead in 2011. If you’re not seeing it yet, remember that our industry tends to lag the economy by six months or so. We believe that better times are just around the corner! IH

Reed Miller, Associate Publisher/Editor

Federal Triangle Barry Ashby, Washington Editor | 202-255-0197 | [email protected]

Patent Reform: Lies and Real Needs

I

n a Jan. 21 speech, United States Patent & Trademark Office (USPTO) Director David Kappos said that American history has been driven by innovation and that our economic security depends on it. He added that the U.S. “invests more in intangible assets that any of our major trading partners, and our intangible investments now exceed those in tangible assets by more than 20%.” Today, over 70% of U.S. companies’ value is intellectual property. So, it is true (in a manner of speaking) that the USPTO is “the biggest job creator you never heard of,” in the words of Harvard Business Review. Over the last two decades, compensation in innovation-intensive sectors has increased by over 2.5 times the national average. Then along comes Congress. In the last four Congresses there have been 22 bills in the House and Senate to “reform” the system. In the current Senate, S.23 (Patent Reform Act of 2011) was passed by the Judiciary Committee on Feb. 3 (15 yes, 0 nays and 1 abstain) and now awaits full Senate vote. There is no House companion bill, but Lamar Smith, Chairman of House Judiciary, will hold hearings on this topic. While both sides of Congress are giddy with “bipartisanship,” folks in Reality Land (like you) need to know and understand what is happening and why in order to select best outcomes and learn what actions you can take that foster preferred results. Remember that intellectual-property (IP) protection is a main federal responsibility defined by the Constitution. Critics of S.23, and I am one, believe that the bill is not “reform” in spite of that word. This bill replaces the primary purpose of patents to safeguard the creator and owner of innovation with “infringer friendly” provisions and encourages those with means to “game the system.” It is a work order for lawyers. S.23 does not address real problems, like reducing the backlog of 720,000 pending patent cases. It tries to “harmonize” the U.S. patent system with that of Europe, China and Japan for God knows what beneficial purpose. It claims to raise the quality of patents. It does not document how, other than to identify court processes that favor big business and disfavor small businesses and individuals that cannot afford legal frivolities and tries to codify recent court decisions on infringement. As example, S.23 (Section 4, page 31) wants “to identify methodologies and factors that are relevant to the determination of damages,” which is not part of considerations for granting patents. This bill would codify gradations of infringements and be most harsh on those that are “willful.” S.23 is mixing litigation remedies into the innovation definition process. 14 March 2011 - IndustrialHeating.com

Supporters of the bill often say that the U.S. patent system has not been updated for over 60 years. Do you remember the saying, “If it ain’t broke, don’t fix it”? This bill shifts the U.S. to a first-inventor-to-file system like the rest of the world, which then exposes the filer, upon required public announcement, to infringements and theft. This provision, along with the next, will not encourage investments for commercialization. The bill allows granted patents to be attackable for nine months after issue, the rationale being that this will urge the patentee to actively pursue commercialization. The Constitution does not provide authority for this type of private-property infringement after a patent is granted. Further, it is a gross waste of USPTO resources to become so involved in these “re-examination” regimes where history shows that 95% of all post-grant review challenges are resolved without litigations.

Intellectual-property (IP) protection is a main federal responsibility defined by the Constitution.

There are several provisions of S.23 that do have merit. There is great concern over “patent trolls” and “business-method patents,” which are 30 times more frequently litigated than all other patents and are probably a target category to be banned from USPTO jurisdiction. A second provision in discussion as part of S.23 will prohibit diversion of USPTO fees paid by patent applicants and used for other purposes. How do you suppose that the USPTO is 720,000 cases in arrears with insufficient resources? You think that politicians spent the money elsewhere? A fee-diversion amendment will be introduced in the full Senate debate, probably by Senator Coburn (R-OK) who said, “If an American pays a fee, he should get what he pays for” and not fund other aspects of government. There is time for readers of this journal to contact their members of the Senate and House with clear instruction on what you want and expect with regard to subjects of IP protection, supporting what is truly needed and clearly rejecting all of the shams in patent reform. IH If you would like to ask Barry Ashby a question, please e-mail him at askbarry@ industrialheating.com. You can hear him answer your query, and others, in our Talk Back to Barry podcasts, which are available at www.industrialheating.com.

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Toughness Revisited

L

a time we learned something about the relationship ast between strength and toughness (Fig. 1).[1] A material b may be strong and tough, exhibiting high strains if it m ruptures under high loads. By contrast, brittle materials r may be strong, but with limited strain values they are not tough. Generally speaking, strength indicates how much load/stress the material can sustain, while toughness indicates how much energy a material can absorb before rupturing. In our previous discussion on toughness we also talked about the need to discuss the influence of alloying elements, microstructure, heat treatment, embrittlement phenomena and service conditions. Let’s learn more. Effect of Alloying Elements on Toughness Alloying elements play an important role in influencing a host of mechanical properties (Table 1), not the least of which is toughness. As we all know, steels contain various alloying elements (and impurities) that influence the formation of new phases as well as interact with the crystal structures of austenite, ferrite and cementite. Some of the alloying elements are austenite stabilizers (e.g., manganese and nickel), some are ferrite stabilizers (e.g., silicon, chromium and niobium) and still others are strong carbide formers (e.g., titanium, niobium, molybdenum and chromium). Of these effects, certain alloying elements (e.g., manganese, sulfur, aluminum, calcium and silicon) as well as oxygen influence the type, distribution and morphology of inclusions (e.g., oxides, sulfides, silicates and nitrides). There is a strong effect of inclusions on fracture and Table 1. Alloying elements with a favorable influence on mechanical properties (alphabetical listing) [3] Hardenability

Strength

Toughness

Boron

Carbon

Calcium

Lead

Carbon

Cobalt

Cerium

Manganese

Chromium

Chromium

Phosphorous Selenium

Chromium Manganese

Machinability

Copper

Magnesium

Molybdenum

Manganese

Molybdenum

Sulfur

Phosphorous

Molybdenum

Nickel

Tellurium

Titanium

Nickel

Niobium

Niobium

Tantalum

Phosphorous

Tellurium

Silicon

Vanadium

Tantalum

Zirconium

Tungsten Vanadium

16 March 2011 - IndustrialHeating.com

mechanical properties. Coarse inclusions also serve as fatigue initiation sites and have been reported to initiate cleavage fracture. Here’s a look at each individual element affecting toughness:[4] • Calcium improves steel cleanliness by influencing the size, morphology and total number of inclusions; desulfurizes; and reduces the tendency toward directional properties. Calcium also modifies the shape of any remaining sulfide inclusions so as to be less detrimental to mechanical properties. Calcium has no effect on transformations occurring during heat treatment. • Cerium, while itself a potent deoxidizer and desulfurizer, is added to control the shape of inclusions in steel that has already been deoxidized and desulfurized by other additives. Cerium does not take part in heat-treating reactions. • Chromium has a tendency to form hard and stable carbides. Chromium strongly affects hardenability, wear resistance, corrosion resistance, resistance to hydrogen attack and resistance to softening at elevated temperature (i.e. greater creep and stress-rupture properties). Chromium has a strong affinity for both carbon and nitrogen. • Magnesium desulfurizes steel, and by its ability to influence sulfide inclusions improves ductility, formability and directional uniformity. • Molybdenum is a potent hardenability agent that retards softening at elevated temperature and improves corrosion resistance. During heat treatment, molybdenum steels have a tendency toward surface decarburization. Molybdenum is a strong carbide former and reduces the tendency toward temper embrittlement. • Nickel is an austenite stabilizer, that is, the A3 temperature will be depressed and in the presence of carbon so too will the A1 temperature. Nickel is a solid-solution strengthener, a weak hardenability agent and promotes high toughness (often in combination with chromium and vanadium), especially at low temperatures. While its effects are not strong, nickel does have some influence on heat-treating transformations retarding both pearlite and, to a greater extent, bainite reactions. • Niobium has two principal uses in steels: as a grain refiner and for the formation of extremely hard and stable carbides and carbonitrides. Niobium has a strong ability to remove carbon from solid solution and thus has a negative effect on hardenability. • Tantalum improves strength and forms fine precipitates, but increasing tantalum content has a negative effect on ductility. • Tellurium improves machinability but has no effect on the transformations occurring during heat treatment. Tellurium is a grain refiner and can be added to steel to influence the size, shape, distribution and morphology of sulfide inclusions, the result of which is an improvement in transverse toughness and certain mechanical properties.

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For over 37 years G-M ENTERPRISES has developed, designed and manufactured state-of-the-art Vacuum Furnaces and VPA Coating Furnaces for superior performance and superior product quality to meet challenging market demands. Suresh Jhawar and the employees of G-M would like to thank the companies and customers that have supported them and contributed to their success over the last three decades.

Furnaces that For more information contact G-M Enterprises 525 Klug Circle, Corona, California 92880 Phone 951-340-GMGM (4646) • Fax: 951-340-9090

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50

80

Joules

4130

Hardness 60

60

40

40 40

30

20 Toughness 0

0

4140

20

200 400 600 800 1000 1200 1400 Tempering temperature, ˚F

Fig. 1. Relationship of hardness and toughness of 4140 steel after tempering for one hour[2]

• Vanadium promotes fine grain size (i.e. retards grain growth during austenitizing), increases hardenability (when dissolved in austenite, although its effectiveness is diminished somewhat by its high affinity for carbon) and improves wear resistance through the precipitation of carbides and nitrides. • Zirconium forms stable compounds with oxygen, sulfur, nitrogen and carbon, thus helping to control nonmetallic inclusions and the fixation of nitrogen (primarily in boron steels). The presence of zirconium in quenched-andtempered steels also reduces grain coarsening/sensitivity and permits the use of higher hardening or carburizing temperatures. Zirconium raises the yield/tensile ratio and improves ductility and impact strength, particularly in the transverse direction. In highly alloyed steels, ductility decreases while hardness improves. Its usefulness is limited for economic and processing reasons. Embrittlement Phenomena[5] High-strength quench-and-tempered steels are subject to a variety of embrittlement phenomena including quench embrittlement, tempered-martensite embrittlement, temper embrittlement, hydrogen embrittlement and liquid-metal embrittlement, to name a few. In addition, stainless steels are affected by sigma-phase embrittlement. The steel’s carbon content has a significant impact on toughness under various 18 March 2011 - IndustrialHeating.com

20 4150

10

52100 0

0 0

100 200 300 400 Tempering temperature, ˚C

Fig. 2. Charpy V-notch energy absorbed in fracture of 41xx-series and 52100 steels tempered at various temperatures[5]

tempering conditions (Fig. 2). The effects on toughness can be categorized as follows: • Tempered martensite (blue) embrittlement (TME) is irreversible and results in a loss of room-temperature impact toughness and fracture resistance. It manifests itself by ductile, cleavage and intergranular modes of fracture. Tempering in the range of 250-400°C (480-750°F) can result in TME. The interactive effect of both tempering temperature and carbon level on the magnitude of the temper-embrittlement effect is seen in Figure 2. • Temper embrittlement (TE) results in the loss of ductility (or the increase in the ductile-to-brittle transition temperature) after tempering in the range of 375-575°C (700-1070°F) or slow cooling through this range. Impurities such as phosphorous, tin, arsenic and antimony strongly influence the susceptibility of a material to TE. In general, heating to temperatures above the embrittlement range for several hours followed by rapid cooling can reverse the effects. • Quench embrittlement is an intergranular mechanism of brittle fracture, especially in high-carbon (* 0.50% C) steels during austenitizing and quenching. Tempering is not required. It is similar to quench cracking, which is due

Fig. 3. Hot-working problems on a D2 roll (Photograph courtesy of Aston Metallurgical Services Co., Inc.)

to high surface tensile stresses during quenching. Carbon and phosphorous play a significant role. • Sigma-phase embrittlement results from the precipitation of an iron-chromium compound after holding austenitic or ferritic stainless steels for long periods of time in the range of 560-980°C (1050-1800°F). Slow cooling through the range of 1040-650°C (1900-1200°F) produces the same effect as does quenching from this range followed by subsequent heating in the range of 560850°C (850-1560°F). Effects of Primary Processing on Toughness In addition to a large number of inclusions, cracking during solidification and hot working may introduce flaws that compromise performance. In the case of hot working, incipient melting, precipitation of particles or ferrite formation in the austenite grain boundaries and resultant microvoid formation are believed to be the mechanisms involved. By way of example, the microstructure of a hot-worked 5,000-pound roll (Fig. 3) reveals large chromium carbides in an intergranular network, creating a part with extremely poor fracture toughness. IH For the conclusion and references, use this Mobile Tag or www.industrialheating.com/htdr311

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Environmental & Safety Issues Richard J. Martin | Martin Thermal Engineering | 310-937-1424 | [email protected]

Demystifying Hazardous (Classified) Areas

A

l too often, terms like “Class-I/Division-2” or “Classll II/Group-E” stir up confusion in the minds of makers I and users of industrial heating equipment. Furnaces a use fuel, and fuel creates a risk of fire and explosion. u Furnaces also have flames, and flames can ignite combustibles. Why aren’t all high-temperature processing areas designated as “hazardous-classified”? The best way to think about hazardousarea classification is that it is a tool for explosion protection that is applicable to one face of the fire tetrahedron – ignition. If an environment is at least somewhat likely to contain the dangerous combination of (a) dispersed fuel, (b) oxygen and (d) the possibility of uninhibited chain reactions, then steps should be taken to eliminate or mitigate (c) ignition sources in the area. A frequent default conclusion is that area classification (and use of explosion-proof electrical devices) provides the “definitive solution” for preventing explosions, but this is a faulty paradigm. Known Likelihood of Fuel The purpose of designating an area “hazardous-classified” is because there is a known likelihood of fuel gas or combustible dust in the area (Division 1 = high likelihood; Division 2 = low, but finite likelihood). Accordingly, steps should be taken to reduce the likelihood of an ignition source being present concurrently with the fuel release. On one side of the coin, when it’s impossible to fully prevent the release of fuel gas or flammable vapor into an area (let’s call it a “fuel inevitable” area), ignition sources must be eliminated by area-classification. This is typically accomplished by (a) modifying electrical devices to be non-incendive (incapable of causing ignition), (b) shielding devices from contact with the released fuel gas or (c) moving devices out of the area entirely. On the other side of the coin, when it’s impossible to fully eliminate or shield ignition sources in an area (let’s call that an “ignition inevitable” area), area-classification can’t be used as a solution because the ignition sources can’t be moved or altered. Instead, these areas must be designated “non-classified,” and steps must be taken to prevent or minimize the likelihood of unintended fuelgas releases. Designating and Equipping The two steps required for effectively implementing a 20 March 2011 - IndustrialHeating.com

hazardous-area classification strategy are designating and equipping. NFPA 497 (which addresses flammable liquids, gases and vapors) and NFPA 499 (which addresses combustible dusts) provide guidance to facilities that are contemplating whether or not an area should be designated as hazardous-classified and, if so, how to define its boundaries. NFPA 70, Article 500 (which addresses electrical equipment installed in hazardous-classified areas) enumerates accepted ignition mitigation techniques and gives design and performance requirements for listed electrical equipment that is installed in hazardous-classified areas. Furnace Interiors One question that is misguided, but often asked, is whether the interior of a combustion device should be designated as a hazardous-classified area. Actually, the correct question is not “should” but “can” the interior of a combustion device be designated hazardous-classified, and the answer is emphatically NO. Since the interior of a combustion device has the potential for several major ignition sources to be routinely present (flames, reacting gases, ignition sparks, hot surfaces, etc.), there is no way it could ever be designated hazardous-classified because area designation is a technique used to eliminate ignition sources. In order to prevent furnace explosions, precautions that prevent unintended releases of fuel (e.g., redundant safety shutoff valves, purging, ventilation, trial-for-ignition, etc.) must be taken, as required by NFPA 86. Next month, the applicability of classifying areas exterior to furnaces will be analyzed in the context of Class A, B, C and D furnaces/ovens. IH

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Now You Know Thermal Processing & Metals in Everyday Life

Railroads Return

W

h we think of railroads, we typically think hen of o our grandfather’s time. Certainly, railroads are a an emblem of the past. The golden-spike ceremony in 1869 effectively joined the East c Coast to the West Coast in Utah. The history is storied, and you will probably see a locomotive in your favorite Western movie. Did you know that the railroads are a $78 billion industry? Did you also know that, having invested $42 billion since 2008 to upgrade operations and technology, the railroad is making a comeback? By the end of 2011, CSX is planning on adding 5,000 more employees. Investors like Warren Buffett are betting heavily on the railroad resurgence with billions invested over the last several years. A western Pennsylvania supplier to the railroad industry recently became the first of the 1,900 NYSE companies to have rising stock prices each of the past 10 years. Within the past year, IH covered stories about The Timken Company adding 100 jobs to increase production for railroad-car bearings. Timken has been serving the railroad industry for over 80 years and also has facilities for remanufacturing railway bearings. Railroad cone bearings are produced from carburized 8720 alloy steel, which was discussed in a feature article in April 2009. We also announced that Steel Dynamics began commercial production of standard-strength rails to meet AREMA specifications. AREMA is the American Railway Engineering and Maintenance-of-Way Association. Railroad rail is commonly made from high-carbon (0.6-1.0% C) steel. Rail wheels are typically forged in a forged-and-rolled process. In this wrought process, a wheel blank is forged from a steel block. A second forging operation forms the rough contour of the wheel. The next process is a metalforming operation called wheel rolling, which uses various rolls (typically 8) to configure different parts of this complicated geometric shape. Steel used for railroad wheels depends on the wheel class. The most common types are AISI 1060 or 1070. Both grades are heat treated using a technique called rim treating, which involves heating the entire wheel in a furnace to around 1650˚F followed by a water-spray quench of the rim of the spinning wheel. The wheels are also shot peened to an industry standard for improved fatigue-crack resistance under rolling stresses. In addition to steel, other materials and thermal processes are involved in the manufacture of locomotives. Brazed cop22 March 2011 - IndustrialHeating.com

per brass, known as CuproBraze, is being used in locomotive heat exchangers for North American diesel-powered commuter trains. The heat exchangers (radiators) are manufactured from flat brass tubes, which are mechanically bonded into steel headers. Similar heat exchangers are also used to cool the transformer oil in electric-powered locomotives. Powder metals get involved in the action as well as nonferrous through the use of ultralight aluminum foam. The PM “foam” is worked into sheets and profiles. During heat treatment, the material expands and becomes highly porous. It is used for locomotive collision posts, crash cages, crush buffer zones and railcar sideimpact barriers. General Electric is involved in locomotive production. Productivity is up from a decade ago at their Erie, Pa., plant. The facility is huge because the average locomotive measures about 75 feet in length, at least 15 feet in height and weighs in at 420,000 pounds. The massive diesel engines for the Erie facility are produced in Grove City, Pa. These engines range in size from 4,000-6,000 horsepower. Each engine costs about $500,000. You may have heard the commercials touting the “green” nature of rail freight hauling. Trains are now more fuel-efficient than hybrid cars. They are able to travel huge distances on just 1 gallon of fuel and can haul more cargo than 300 trucks. Hybrid dieselelectric engines reduce fuel consumption by 15% and emissions by 50% over their diesel counterparts. Now you know a little more about today’s railroad industry, why it’s a growth industry and how locomotive thermal processing has gone from the local blacksmith to the sophistication of the 21st century. IH

MTI Profile Metal Treating Institute | 904-249-0448 | www.HeatTreat.net

Furnace Parts, LLC Excellence in Temperature Measurement

F

o ounded in 1974 in Cleveland, Ohio, Furnace Parts is an industry leader in the manufacture of specialty indusi trial thermocouples. Furnace Parts’ expertise in thert mocouple applications spans a vast array of industries, m including steel and specialty metal fabrication, casting, forging, brazing, heat treating/thermal processing and aerospace to name a few. An ISO 9001:2008 registered organization, Furnace Parts excels in temperature-measurement solutions. Under new ownership since 2007, Furnace Parts continues to set standards in the advancement of industrial temperature sensors. Through a commitment to customer satisfaction, Furnace Parts maintains an obligation to quality – continually improving its methods to provide quality temperature sensors and accessories. Furnace Parts’ products include: • Thermocouple assemblies – manufactured in base metal (Types E, J, K, N and T) and noble metal (Types S, R, B and C) • Mineral-insulated metal-sheathed cable (MgO) • RTD assemblies – 2 wire, 3 wire and 4 wire • Bare and insulated wire • Protection tubes and thermowells • Thermocouple accessories including heads, blocks and connectors Calibration Laboratory Furnace Parts’ in-house calibration laboratory was one of the first of its kind to receive the prestigious ISO/IEC 17025 accreditation. Customers can count on the company’s experienced technical and management personnel to provide accurate and reliable service with quick turnaround.

The lab has five furnaces and is capable of calibrating the following types of thermocouples: B, C, E, J, K, N, R, S and T within a temperature range of -110°F to 2700°F. Thermocouples are calibrated by comparison techniques based on ASTM E220, against secondary standard thermocouples. These standard thermocouples are calibrated against a reference standard thermocouple directly traceable to the National Institute of Standards and Technology. Thermocouples are certified, as specified by contract, to either standard or special limits of error as stated in ASTM E230. In addition to meeting the required limits of error for initial calibration, other acceptance criteria – such as sampling, lot size, front to back tolerances, etc. – is based upon AMS 2750D and BAC 5621K specifications or as specified by contract. The company’s calibration lab capabilities also include temperature instrumentation calibration and repair services for secondary standard and field test potentiometers and calibrators as well as working standard temperature indicators, controllers and recorders. All calibrations are traceable to NIST. For more information: Furnace Parts, LLC, 4755 W. 150th St. Unit C, Cleveland, OH 44135; phone: 800-321-0796; fax: 888-690-6159; e-mail: [email protected]; web: www.furnacepartsllc.com

24 March 2011 - IndustrialHeating.com

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Anchor-Loc 3 insulating fiber modules are specifically designed and manufactured for the global market, providing a winning combination of performance, reliability and consistency you can count on anywhere in the world. This new generation ® Insulating Fiber Modules of Anchor-Loc modules is designed to meet a wide range of application requirements in a variety of heat processing vessels. They provide continuous S-folded blanket construction for improved thermal performance in high temperature applications and are available in various fiber chemistries, temperature grades and densities to meet the most demanding requirements. Anchor-Loc 3 modules offer:

Consistent design & quality assurance Anchor-Loc 3 module design features construction from a continuous fold of spun blanket, stainless steel alloy hardware and center mount attachment. The design allows for consistent furnace layout, ease of installation and dependable service life. All components meet or exceed established industry standards assuring the same high quality worldwide.

Fast, cost-effective delivery The Unifrax sales team provides design recommendations, engineering layout and product sourcing options, ensuring a costeffective furnace lining solution wherever you’re located in the global market.

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For more information and a list of our worldwide manufacturing locations, visit the Unifrax website, call 716-278-3800 or email [email protected].

Anchor-Loc 3 modules are produced in each of our global manufacturing centers using the same raw material specifications, dimensional tolerances and assembly procedures, providing product uniformity and consistency worldwide.

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IHEA Profile Industrial Heating Equipment Association | 859-356-1575 | www.ihea.org

IHEA Goes International

R

oad trip! IHEA is hitting the road and heading to the world’s largest thermal-processing show, Thermprocess 2011, June 28-July 2 in Düsseldorf, Germany. But this is more than a sightseeing tour. IHEA, in cooperation with Messe Düsseldorf North America and Industrial Heating, is hosting a 48-square-meter Resource Center for the benefit of IHEA members and other thermal-processing companies that choose to participate. Currently, there are over a dozen IHEA member companies exhibiting at Thermprocess or concurrent events METEC (metallurgical technology trade fair), FIGA (foundry trade fair), and NEWCAST (castings trade fair). Companies participating in the Resource Center will receive the following benefits, dependent upon their level of participation: • Access to food and beverages/refreshments throughout the week • Access to translation services • Access to private meeting rooms located in the Resource Center • Access to a presentation screen and scheduled presentation times that will be promoted by the Resource Center • Promotion as a Resource Center social-function sponsor. IHEA plans to use the center to host special social functions in the evenings where customers and prospects can meet and talk business or get ready to visit Düsseldorf’s Ald Stat (Old City) for dinner and drinks. • Display of company literature and company logo within the Resource Center • Company promotion on IHEA’s website and in the pages of Industrial Heating • Assistance with show vendors, shipping, housing and any other advice needed for conducting business internationally The Resource Center’s objective is to help small and mid-size companies have a more profitable and pleasurable exhibiting experience. By helping minimize the mystery of exhibiting overseas, the Resource Center will assist participating companies spend

Düsseldorf, Germany

more time selling and less time worrying about logistics. IHEA understands the need to do business internationally, and the organization is taking one big international step by participating heavily in Thermprocess 2011. Even if you are not exhibiting, you can take advantage of the Resource Center. If you plan to visit the show, which we highly recommend, you can use the Resource Center as a hub to experience the show. Supporting sponsorships are available that allow you to do just that. A Supporting Sponsorship includes: access to food, beverages and conference rooms; your company logo will be displayed in the Resource Center, on IHEA’s website, and in the pages of Industrial Heating; one show badge; and use of the Resource Center to meet with your colleagues, partners and current or prospective customers. Contact Anne Goyer, IHEA’s executive vice president, at [email protected] or 941-373-1830 if you would like to participate in the Resource Center in any way. “This is an exciting opportunity for many of our members,” Goyer said. “Together, we want to make this an easy and valuable venture into the international trade-show arena for our members as we work to further IHEA’s strategic mission of driving members’ success. We look forward to seeing many of you in this June.” Info counter

Info counter

Bistro tabless/ barstools

Screen

Bar counter

Internet station

Internet station

Wallmounted literature racks

Wallmounted literature racks Kitchen

Meeting room

Meeting room

IHEA/Industrial Heating Resource Center Layout Draft

26 March 2011 - IndustrialHeating.com

“ ingenuity ”

The power to know. The power to perform. At Solar, we know vacuum heat treating inside and out. Solar Mfg is the only US-based vacuum furnace OEM who is affiliated with a major business partner in commercial vacuum heat treating with over 25 years of growth and innovation, Solar Atmospheres, Inc. Everyday we stand side-by-side with Solar Atmospheres and together we solve the most difficult heat treating problems. Decades of process knowledge and equipment innovation are built into every one of our furnaces. Through the advantage of operating many of our furnaces and hot zones at all four of Solar Atmospheres’ plants, we have an unsurpassed proving ground for our furnace equipment. We learn how to build them, improve them, repair them and keep them running. We custom engineer and fabricate the right furnace tailored to your specific process needs. An investment that goes right to your bottom line.

To find out how Solar can customize your solution, call 267-384-5040 or visit solarmfg.com.

The Brightest Solutions Through Ingenuity

PROUDLY MADE IN THE USA

Industry News

Equipment News Car-Bottom Furnace

Mesh-Belt System

BeaverMatic Inc. received an order for a car-bottom furnace from Metals Engineering of Green Bay, Wis. The furnace has a workload capacity of 45,000 pounds and a work area of 8 feet wide x 7 feet high x 18 feet long. For storing and tracking numerous customer recipes, Metals Engineering required a control system incorporating a multi-loop programmable temperature controller and videographic recorder capable of storing multiple recipes, realtime trending and historical data collection. The combustion system along with the control system split the furnace into multiple zones to ensure temperature uniformity while supplying a total of 3,675,000 BTU/hour output. With the workload capacity and processing versatility, this car-bottom furnace is capable of handling larger components. The furnace’s overall footprint dimensions are 14 feet wide x 49 feet long with the car extended by 21 feet, 4 inches high. www.beavermatic.com

AFC-Holcroft received an order for a mesh-belt system with a capacity of 2,000 pounds/hour from Holo-Krome, a division of Fastenal. The equipment will be used for neutral hardening and carburizing of cap screws and set screws of various sizes. AFC-Holcroft will supply a new hardening furnace equipped with a burner-management system and AFCHolcroft’s BeltMaster™ control system for CQI-9 compliance. The new system is part of Holo-Krome’s expansion into a new 187,000-square-foot manufacturing facility in Wallingford, Conn. The system includes a used/rebuilt temper furnace and rebuild of existing ancillary equipment. AFC-Holcroft will also provide a powered ventilation system and turnkey installation/startup. Delivery is scheduled for the second quarter of 2011. www.afc-holcroft.com

28 March 2011 - IndustrialHeating.com

When you turn to Castalloy’s line of quality castings and fabrications for the thermal processing industry, you will experience increased productivity that will impact your company’s bottom line. Our products are expertly designed to offer energy savings, minimize fixture weights, maximize service life and improve furnace throughput. Castalloy products provide the flexibility to handle multiple part numbers on common fixtures, reducing upfront alloy costs. Our fixtures can also be designed to help automate your part handling to reduce labor costs.

1701 Industrial Lane PO Box 827 Waukesha, WI 53189 www.castalloycorp.com

Whether you choose our standard products or work with our engineers to customize fixtures for your application, Castalloy can take the heat. As a leader in the industry, Castalloy continues to offer quality products, at competitive prices and better value.

CASTALLOY

ph 262-547-0070 or 800-211-0900 fax 262-547-2215

Your Single Source for Thermal Processing Products

email: [email protected]

Industry News

Batch Oven Wisconsin Oven designed and manufactured a gas-fired batch oven for a supplier of specialty tubing and bar products. The industrial oven, which is being used for hydrogen embrittlement relief of steel rods for the automotive industry, has four zones and a load capacity to heat 3,000 pounds of steel. It has chamber dimensions of 6.5 feet wide x 28 feet long x 6 feet high, maximum operating temperature of 500ºF and normal operating temperature of 430°F. The oven is AMS2750D compliant. The heat-treating oven is constructed with 4-inch-thick tongue-and-groove panel assemblies and 20-gauge aluminized steel interiors and ductwork. The heating system features an industrial 850,000-BTU-per-hour air heat burner that includes a motorized gas control valve, flame detector and flame relay with alarm horn. The recirculation system has two 6,000-CFM @ 15-HP blowers and utilizes combination airflow to maximize heating rates and temperature uniformity. www.wisoven.com

Melting Furnace LOI Thermprocess, a Tenova LOI Italimpianti Group company, received an order for a TCF twin-chamber melting furnace for stage two of Aluminium Norf’s recycling center in Germany. The new recycling system is to be designed for a daily throughput of 150 metric tons of liquid metal, which will be produced entirely from aluminum scrap. The furnace is to

be equipped with a regenerator system to allow highly efficient waste-heat recovery from the furnace flue gas. The reduction in the flue-gas flow rate and temperature cuts the capital cost of the filter system. In addition, the LOI regenerator system cools the flue gas rapidly, improving the environmental compatibility of the plant. Different types of aluminum scrap are to be melted, and the liquid metal produced will be processed to form new rolling bars. Trial operation of the extended recycling center is due to start in the autumn of 2011. www.loi-italimpianti.com

Material-Handling System Tenova Core received a contract from Armstrong World Industries to provide a complete material-handling feed system for the new 12.5-MVA submerged-arc furnace (SAF) at Armstrong’s new Millwood, W.V., facility. The custom-designed system will be used to transport slag feed materials into the SAF vessel and will be designed to minimize dust emissions and reduce material waste.

Heat Resistant Tubes in FeCrAl Alloys For thermocouple protection tubes, tubes for hot gas analysis, tubes for hot gas injection, protection tubes for probes and for muffle tubes

Higher heat resistance than any other ironand nickel base alloy!

We carry a large stock of tubes in the size range OD ¼”-1 ½”, which we supply as plain tubes or cut to length with bottom and thread on. We promise you good service including fast deliveries. Please contact us

Thermalloys Tel: +46 248 12577; Fax: +46 248 13785 E-mail: [email protected] Brändavägen, SE-79532 Rättvik, Sweden

30 March 2011 - IndustrialHeating.com

Visit our website

www.thermalloys.com

Although the SAF vessel will be continuously tapping, the materialhandling system will be designed to batch feed the vessel at a rate to ensure a high level of product uniformity. The material-handling system and SAF installation is expected to be completed in 2011, and the plant will be in production in 2012. Material-handling components such as conveyors, vibratory feeders and weighing systems will be manufactured in the U.S. www.tenovacore.com

Nitriding System Nitrex Metal supplied an in-house nitriding system to Turbine Engineering Concepts, a provider of power-generation services. The NX822 system, complete with Nitreg®-S potential controlled nitriding technology for stainless steels, will be capable of delivering surface treatment for custom-engineered components made of stainless steels and Inconel as well as tool steels and carbon steels. The system will also have the capability of nitriding components over 84 inches in length and will dramatically shorten delivery times for replacement parts produced by Turbine Engineering Concepts. www.nitrex.com

IndustrialHeating.com - March 2011 31

Industry News

Starbar and Moly-D elements are made in the U.S.A. with a focus on providing the highest quality heating elements and service to the global market.

Over 40 years of service and reliability I Squared R Element Co., Inc. Akron, NY Phone: (716)542-5511 Fax: (716)542-2100

Email: [email protected] www.isquaredrelement.com

The Retained Austenite Solution and More. Quench to freeze and back to temper with one profile. Eliminate multiple handling operations and increase product throughput.

Box Furnace Lucifer Furnaces supplied a Midwest-based ISO 9001-certified analytical testing facility with a model 7000 AM box furnace for stress relieving. The 7-inch x 7-inch x 18-inch chamber is powered with 8 kW and heats to 2050°F. The heavy-gauge reinforced steel shell is insulated with 6.5 inches of multi-layered insulating firebrick and mineral-wool block for energy efficiency. Easy-toreplace radiant panels on both sidewalls and floor provide heat to the workload, which is insulated from the elements by a RA330 alloy muffle supporting an argon atmosphere. The muffle design reduces scale, achieves lower dew points and reduces atmosphere consumption. A silicon-carbide hearth plate supports the muffled work chamber while allowing thermal transfer from the floor heating elements. www.luciferfurnaces.com

Business News Gasbarre Products Acquires J.L. Becker Gasbarre Products Inc. reached an agreement to acquire the business and assets of J. L. Becker Co. The Furnace Group of Gasbarre Products now consists of Sinterite Products, C.I. Hayes and J. L. Becker. Gasbarre Products will continue to operate the new furnace division under the J. L. Becker banner in the present Plymouth, Mich., facility with the current staff of 40 employees. The acquisition is an excellent strategic and synergistic fit within the group because J.L. Becker's batch heat-treating equipment line complements the Sinterite continuous-belt furnace line as well as the C. I. Hayes vacuum and pusher furnace lines. J. L. Becker's 53,000-square-foot facility houses sales, engineering and administrative offices as well as furnace and machine fabricating and Go to www. industrialheating. assembly areas. Sinterite com/gasbarre Products will continue to to listen to operate in St. Marys, Pa., an interview and C.I. Hayes remains in with Gasbarre's Steve Smith. Cranston, R.I.

Alcoa to Acquire Aerospace Fastener Business

For over 15 years we have provided our customers maximum process flexibility and dependability with our complete line of combination furnace/ freezers with temperature ranges between +1200°F and –300°F. Full in house engineering and flexible manufacturing capabilities permit custom integration with existing lines.

www.CryoSystems.com 32 March 2011 - IndustrialHeating.com

915.351.8500

Alcoa announced it has agreed to purchase the aerospace fastener business of TransDigm Group Inc., a leading global designer, producer and supplier of highly engineered aircraft components. The new business will become part of Alcoa Fastening Systems. The transaction, which is expected to be completed during the first quarter of 2011, is valued at approximately $240 million. The three TransDigm fastener manufacturing facilities are located in Sylmar, Calif.; and Redditch and Leicester, both of the U.K. TransDigm’s facilities, which employ a combined 400 people, provide a wide variety of high-strength, high-temperature nickel alloy specialty engine fasteners, airframe bolts and slotted entry bearings.

Alpha, Massey Agree to Merge Alpha Natural Resources and Massey Energy signed a definitive agreement under which Alpha will acquire Massey for approximately $8.5 billion. The merger will bring together Alpha’s and Massey’s highly complementary assets, which include more than 110 mines and combined coal reserves of approximately 5 billion tons, including one of the world’s largest and highestquality metallurgical coal reserve bases.

• Yokogawa Corporation of American named Chet Mroz president and COO of Yokogawa’s North American operations. He is based in the Sugar Land, Texas, office and is responsible for all day-to-day operations in North America. • Du-Co Ceramics named Josh Rupp to the newly created position of process engineer. He will help develop and design automation systems and improve overall efficiencies. Du-Co Ceramics also promoted Jim Shaner to ceramic process engineer.

Japanese Steelmakers to Combine Japan’s Nippon Steel Corp. and Sumitomo Metal Industries Ltd. plan to combine their businesses next year, a move that would create the world’s second-largest steelmaker. The companies aim to be operating as a single company by October 2012. Both want to expand global operations, especially in China, India and other emerging countries where demand is expected to grow, while consolidating operations in the shrinking Japanese market.

Audio Interview As reported in January’s issue, Ajax Tocco Magnethermic acquired the assets and intellectual property formerly known as Pillar from ABP Induction. Go to www. industrialheating.com/ pillar to hear an informative interview with ABP Induction’s Paul Decker about the transaction.

People in the News • Inductoheat, Inc. appointed Robert Madeira as vice president of heat treating. He will be responsible for managing customer needs, leading Inductoheat’s business strategies and spearheading North American sales efforts. Madeira has worked in the induction heat-treat industry for more than 26 years, most recently for Fluxtrol. • Super Systems Inc. (SSi) appointed Greg DeKors vice president of research and development. He has worked at SSi for more than eight years as part of the engineering group.

ALD Thermal Treatment, Inc. Providing the fi nest metallurgical services in a wide variety of markets through Vacuum Treatments and specialized gas quenches.

LEADERS IN THE CONTROL OF DISTORTION Vacuum Carburizing with High Pressure Gas Quenching Plasma CARBURIZINGs Vacuum High-Temperature 3OLUTION.ITRIDINGs Vacuum HarDENINGs Vacuum Brazing ANNEALINGs.ORMALIZINGs#ryogenic Treatments Measurement and Testing

GLOBAL SERVICE CENTERS Limbach - Oberfrohna Germany Port Huron, Michigan USA Ramos Arizpe, Coahuila Mexico

www.aldtt.net www.ald-vt.de Photo: Buderus Edelstahl GmbH

Michael Pode (Sales) 803-546-6686 or [email protected] Robert Peters 803-600-8052 or [email protected] IndustrialHeating.com - March 2011 33

Industry Events

APRIL

JUNE

5-8 115th Metalcasting Congress; Schaumburg, Ill. www.metalcastingcongress.org

6-10 ASME Turbo Expo 2011; Vancouver, B.C. www.asme.org

26-29 INFUB 9 – 9th European Conference on Industrial Furnaces and Boilers; Estoril, Portugal www.cenertec.pt/infub

Industrial Heating is the Official North American Media Co-Sponsor

MAY 2-5 AISTech 2011 – The Iron & Steel Technology Conference and Exposition; Indianapolis, Ind. www.aist.org 3-5 Interwire 2011; Atlanta, Ga. www.wirenet.org 17-21 Aluminium Two Thousand – 7th World Congress; Bologna, Italy www.interall.it

June 28-July 2 Thermprocess 2011 – International Trade Fair for ThermoProcess Technology; Düsseldorf, Germany www.thermprocess-online.com

18-21 PowderMet 2011 – International Conference on Powder Metallurgy and Particulate Materials; San Francisco, Calif. www.mpif.org

AUGUST

19 Free Webinar, hosted by Industrial Heating – “Induction Success or Failure: Optimum Frequency for Your Process” www.industrialheating.com

18 Free Webinar, hosted by Industrial Heating – “Temperature Sensing/Control: The Right Tools Save You Money” www.industrialheating.com

23-26 Metallurgy-Litmash/Tube Russia/Aluminium Nonferrous 2011; Moscow, Russia www.metallurgy-tube-russia.com

OCTOBER

25-27 2011 Heat Treat China Show; Beijing, China [email protected]

Oct. 31-Nov. 2 ASM Heat Treating Society Conference and Exposition; Cincinnati, Ohio www.asminternational.org

34 March 2011 - IndustrialHeating.com

Economic Indicators www.thermprocess-online.com

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COPPER LABEL

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 Domestically manufactured  Single-day delivery  Guaranteed 50% savings off published competitor’s price

Welcome to the 10th International Trade Fair and Symposium for Thermo Process Technology! Industrial furnaces, heat treatment equipment, components, testing and refractory technology on display together with the symposium for thermo process technology will bring you up to speed with the latest developments for successful business. The focus will be on innovations for energy and resource efficiency as well as sustainability, especially highlighted by the exhibitors in the ecoMetals segment.

Avion Manufacturing 2950 Westway Drive • Suite 106 • Brunswick, Ohio 44212 Ph: 330-220-2779 • Fax: 330-220-3709 • www.avionmfg.com

IndustrialHeating.com - March 2011 35 thp1102_85x241_4C_US.indd 1

15.07.2010 11:18:01 Uhr

FEATURE | Heat Treating

Applying High-Temperature Heat-Pipe Technology to Precision Heat Treating and Materials Processing Peter Dussinger – Advanced Cooling Technologies; Lancaster, Pa.

Fig. 1. High-temperature sodium/Inconel heat pipe – isothermal furnace liner

High-temperature heat pipes can be used to build heat-treating and materialsprocessing furnaces that are capable of extraordinarily precise temperature setpoints and isothermality.

S

e etpoint accuracy, stability and isothermality of ±0.1°C a are a common with a singleheated zone using an off-theh shelf temperature controller. Because of the inherent temperature uniformity and stability of heat pipes, they are an integral component in nearly all of the most precise temperature-calibration instruments in the primary calibration laboratories around the world. This technology can also be applied to research, commercial and industrial applications for processes such as annealing, sintering, crystal growing, brazing and controlled diffusion. The following sections will describe in more detail: What is a heat pipe? How do they operate? How are they typically configured? And, finally, what are the available temperature ranges? What is a Heat Pipe? When a pan of water is heated on a stovetop, the temperature of the water

How Do They Operate? The heat pipe was invented in the 1940s by R.S. Gaugler. It did not become widely accepted and studied, however, until it was independently invented by G.M. Grover in the early 1960s at Los Alamos National Laboratories. The basic concept of the heat pipe is shown in Figure 4. The traditional heat pipe is a long, closed cylinder. As described above, a working fluid is charged into the closed cylinder and the

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one end of the closed volume, it will immediately change some of the water to a vapor. This will increase the pressure locally, and the vapor will travel to the cooler, lower-pressure end of the closed volume and condense. If the working fluid is selected properly and the cross-sectional flow area is adequate, this mechanism will keep the closed volume at a nearly isothermal temperature. What was just described is known as a heat pipe, or thermosyphon.

rises steadily until it begins to boil. At that point, all of the energy or heat is used to change the phase of the water from liquid (water) to vapor (steam). The boiling point of the water is set by the atmospheric pressure surrounding the open pan of water. At sea level, the boiling point of water is 100°C (212°F). The water in the pan will remain at the boiling-point temperature until all of the water is converted to steam. When all of the water has been evaporated, the pan will begin to increase in temperature again (Fig. 2). Now consider what happens if the water is inside a closed volume and the atmospheric pressure is reduced to zero by temporarily pulling a vacuum on the closed volume and then permanently sealing it. The result is a closed volume with only liquid water and its vapor. The pressure inside the closed volume is set by the vapor pressure of the fluid (Fig. 3), which is water. If heat is added to the water at

100 80 60 40

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Fig. 3. Vapor pressure of water IndustrialHeating.com - March 2011 37

FEATURE | Heat Treating

Heat out

12 inches

w Vapor flo

25 W

Heat pipe: 6T 5 3˚C

25 W

Copper rod: 6T 5 600˚C

turn

Liquid re

Heat in

Fig. 4. Cross-sectional view of a heat pipe

air is evacuated. When heat is applied to one end of the heat pipe, a small amount of working fluid vaporizes. This raises the local vapor pressure and causes the vapor to travel to the lower-pressure, cooler end of the heat pipe, where it condenses. This change in phase does not require a change in temperature. Therefore, the only temperature difference required is the small vapor-pressure difference to drive the vapor from the evaporator to the condenser. By selecting the appropriate working fluid

Fig. 5. Effective thermal conductivity of heat pipe vs. copper rod

and sizing the cross-sectional area for a low-pressure-drop flow, the temperature difference can be almost negligible, resulting in a very high effective thermal conductivity – a super conductor for thermalenergy transport. To demonstrate the effective thermal conductivity of a heat pipe versus a solid conductor, a 12-inch-long, ¼-inch-diameter copper rod will be compared to a 12-inchlong, ¼-inch-diameter copper/water heat pipe. The power input to the evaporator

end will be set at 25 watts (Fig. 5). From the conduction equation: 6T = QL/kA, where: Q = Thermal power (watts) = 25 W L = Rod length (m); 12 inches = 0.305m k = Thermal conductivity (W/m-°C); copper = 400 W/m-K A= Cross-sectional area of rod (m2) = /D2/4 = /*.252/4 in2 or 3.17x10-5 m 6T = Temperature difference along rod length (°C)

Are you a leader in the industry? Build your business and your career for today, and for tomorrow. You can’t afford to miss the 26th ASM Heat Treating Society Conference and Exposition – Heat Treat 2011. The ASM Heat Treating Society and the American Gear Manufacturers Association once again partner to create an exciting mix of education, technology, networking and exposition opportunities.

Is your company a leader in the heat treating industry? We’re your partner for connecting you to highlyqualified attendees and delivering you access to buyers and decision makers in the heat treat industry. The prime location, a great partnership in co-location, and the fact that the manufacturing sector is getting stronger and capital purchases are on the rise make Heat Treat a winner for you in 2011.

Custom exhibit, sponsorship and advertising packages are available. Prime exhibit space is selling quickly so now’s the time to reserve your space and lock in your booth location. Contact Kelly Thomas, National Account Manager at [email protected] or 440.338.1733. Sponsored by:

38 March 2011 - IndustrialHeating.com

October 31-November 2, 2011 Duke Energy Convention Center Cincinnati, Ohio Join innovators, influencers and decision makers in the heat treating industry from around the world to discuss main technical areas of interest and gather for two new features – the special Bill Jones Honorary Symposium in celebration of his many years of equipment and process development and successful implementation in vacuum heat treatment, and the Emerging Technologies Symposium featuring theory and practical applications and technology trends/state-of-the-industry.

Be sure to plan to attend and support this global event. Visit www.asminternational.org/heattreat for the latest conference and exposition information.

Media Sponsor:

Vertical tube furnace

Annular IFL with thermo-well isothermal processing zone

Fig. 6. Two typical IFL configurations

For the solid-copper rod, the temperature difference along the rod is: 6T = (25W * 0.305m)/(400W/m°C * 3.17x10-5 m2) 5 600°C For the equivalent copper/water heat pipe, a delta T of approximately 3°C is typical. In other words, the effective thermal conductivity of the heat pipe is approximately 80,000 W/m°C, or 200 times more conductive than the copper rod.

Isothermal furnace liner Re-entrant cavity IFL black-body calibrator

Isothermal Isotherm al cavity it Temperature Temperat tu controllerr controlle

Fig. 7. Vertical isothermal processing cavity

6T = (25W * 0.305m)/(80,000W/m°C * 3.17x10-5 m2) 5 3°C Heat pipes have been designed into numerous thermal-management applications to take advantage of this phenomenon. For instance, copper/water heat pipes have been applied to laptop-computer CPU chip cooling since the mid-1990s, and they are now moving into many other electronics-cooling applications. Aluminum/ammonia heat pipes are used for thermal management on most space sat-

ellites. The heat pipes isothermalize the satellite temperatures in extreme hot and cold environments and are used to radiate the waste thermal energy to deep space. And high-temperature heat pipes, typically Inconel/sodium, have been used for high-temperature thermal-to-electric conversion devices such as thermionics, thermoelectrics, Stirling engines and smallscale nuclear reactors. High-temperature heat pipes are also used to isothermalize furnaces.

IndustrialHeating.com - March 2011 39

FEATURE | Heat Treating

How are They Typically Configured? High-temperature heat pipes for heat treating and materials processing are typically manufactured in a cylindrical annular configuration. As shown in Figure 6, the heat pipe is made up of two concentric cylinders and end caps. The enclosed volume between the inner and outer cylinders (orange) contains the heatpipe working fluid, and the volume inside of the inner tube is the working space for the product being processed. The outer cylinder is generally heated with a single-zone, cylindrical electrical-resistance furnace. The heat pipe can be manufactured with both ends open or with one end closed using hemispherical caps. Thermocouple wells are built into the annular space such that sheathed thermocouples can be inserted and removed as necessary. A thermocouple/thermowell in the heat-pipe vapor space results in extremely accurate and repeatable temperature measurements. Offthe-shelf temperature controllers are used to achieve the setpoint control and stability. Another name for the annular heat pipe is an isothermal furnace liner, or IFL. Isothermal furnace liners are typically manufactured using Schedule-40 pipe sizes for the inner and outer tubes. The inner diameter of the standard product line spans the range from 1-12 inches. Larger sizes can be accommodated. The length of the IFL

is typically 12-60 inches long. However, significantly longer pipes can be manufactured if required. The IFLs can be operated either vertically or horizontally. Two of the most common furnace IFL configurations are shown in Figure 6. Custom features like flanges, extended inner pipe, grounding studs, etc. are easily accommodated. Annular IFLs provide an isothermal processing zone and are also used to extend the useful furnace length. Re-entrant cavity IFLs are often used in conjunction with freeze-point calibration cells or as black-body calibrators with emissivity * 0.95. What are the Available Temperature Ranges? The isothermal furnace-liner heat pipes operate across the temperature range of 50-1100°C. However, one heat-pipe working fluid cannot span the entire range. The fluid properties vary too much across this wide temperature range for any one fluid. The four fluids typically used to cover this range are water, cesium, potassium and sodium. The operating range for each fluid is shown below: • Water – • Cesium – • Potassium – • Sodium –

50 to 250°C (122-482°F) 300 to 600°C (572-1112°F) 400 to 1000°C (752-1832°F) 500 to 1100°C (932-2012°F)

Materials of construction are typically Alloy 400 for water and Alloy 600 for cesium, potassium and sodium. Advanced Cooling Technologies also manufactures a Haynes 230/sodium heat pipe for extended operation near 1100°C (2012°F) because of the significantly higher creep strength. Summary and Conclusions Heat pipes and/or isothermal furnace liners can be used to manufacture heat-treating and materials-processing furnaces that are capable of extraordinarily precise temperature setpoints and isothermality. Setpoint accuracy, stability and isothermality of ±0.1°C is common with a single-zone furnace and an off-the-shelf temperature controller. These furnaces are typically 1-12 inches in diameter and can be operated vertically or horizontally. Customized IFL furnaces can be designed for numerous applications, including annealing, sintering, crystal growing, brazing and controlled diffusion. An example of a vertical-orientation isothermal process cavity is shown in Figure 7. IH For more information: Contact Peter Dussinger, vice president Custom Products, Advanced Cooling Technologies, Inc., 1046 New Holland Avenue, Lancaster, PA 17601; tel: 717-295-6061; fax: 717-295-6064; email: [email protected]; web: www.1-ACT.com Additional related information may be found by searching for these (and other) key words/terms via BNP Media SEARCH at www. industrialheating.com: heat pipe, isothermal, thermionics, thermal conductivity, sintering

40 March 2011 - IndustrialHeating.com

2011 International Conference on Powder Metallurgy & Particulate Materials May 18–21 • Marriott Marquis • San Francisco, California TECHNICAL PROGRAM Over 200 worldwide industry experts will present the latest in powder metallurgy and particulate materials. TRADE EXHIBITION 100 booths showcasing leading suppliers of powder metallurgy and particulate materials processing equipment, powders, and products.

Held in conjunction with:

SPECIAL CONFERENCE EVENTS Including special guest speakers, awards luncheons, and a main social event featuring a visit to Alcatraz and a dinner cruise. Tungsten, Refractory & Hardmaterials VIII

Visit www.mpif.org for complete program information METAL POWDER INDUSTRIES FEDERATION APMI INTERNATIONAL 105 College Road East, Princeton, New Jersey 08540 USA Tel: 609-452-7700 ~ Fax: 609-987-8523 ~ www.mpif.org

®

Heatbath / Park Metallurgical Celebrating 100 Years of Service In 1911, William Park Woodside established Park Chemical to manufacture an improved pack carburizing compound to replace the use of charred bone and leather for the surface hardening of steel. One hundred years later, Heatbath/Park Metallurgical is still committed to the development of new and innovative products for metal treating. Our Heat Treating Technologies include salt mixtures used for heat treating, aluminum dip brazing and rubber curing as well as state of the art rectification products. Park Metallurgical has also developed a line of superior quenchants including the most recent, Enviroquench, a “green” replacement for quench oil.

Rely on the Experts…Rely on “Genuine” Park Products… Rely on Heatbath/Park Metallurgical 413 452-2000 • www.heatbath.com Indian Orchard, MA • Detroit, MI • Chicago, IL ISO 9001:2008 Certified

FEATURE | Vacuum/ Surface Treating

New Capabilities in HPGQ Vacuum Furnaces M. Korecki and J. Olejnik – SECO/WARWICK; Swiebodzin, POLAND J. Kula – Technical University of Lodz; Lodz, POLAND HPGQ vacuum furnaces are commonly used for heat treating high-, medium- and nd low-alloy steel tools, HSLA steel products and for individual applications of lowwpressure (vacuum) carburizing (LPC) technology. Fig. 1. Furnace 25VPT4035/36 (24 x 24 x 36 inch) 800-kg charge capacity

V

ac acuum furnaces are manufactured with 6- to 25-bar fa gas-cooling systems with niga trogen and occasionally hetr lium being used as a cooling agent. These furnaces have 200 to 5,000-kg charge capacity, mainly with horizontal charge loading. Furnaces having larger charge capacity and larger heating chambers are generally designed for a specific technical purpose, whereas furnaces having smaller charge capacity and smaller heating chambers are suitable for various technological applications. It is now possible to adapt a furnace for hardening of tool steel and HSLA steel while also being able to low-pressure vacuum carburize (LPC) the majority of steel types, including the use of optimizing technologies such as FineCarb, PreNit, vacuum nitriding, etc. An emphasis on cost efficiency of the implemented processes is as important as always, and it also drives new opportunities. Assembly Time of the NewGeneration Vacuum Furnaces When purchasing equipment, investors are interested in quick assembly and start-up time. A delivered furnace must be pre-assembled to the maximum possible extent in order to eliminate or substantially limit the required assembly work. Vacuum furnaces manufactured by SECO/WARWICK with 16 x 16 x 24 inch (400 x 400 x 600 mm) and 24

x 24 x 36 inch (600 x 600 x 900 mm) charge loading dimensions meet these requirements. At the same time, the furnace footprint is small. The assembly and start-up time of these furnaces is short. In many cases it is possible to limit start-up to three days, including operators’ training. Figure 1 is an example where the furnace body, the equipment and control cabinet are mounted on one transport plate. The furnaces can be installed by means of forklift truck, overhead crane or transport rollers. The only elements disassembled for transportation purposes are the transformer and the pump system. Their re-assembly takes a maximum of 2-3 hours. Energy-Saving Power Control System for HPGQ Vacuum Furnaces At present, furnace evaluation involves technological capacities, efficiency, operational reliability and life of the systems (including heating chamber) in addition to minimization of the amount of used consumables and energy factors. Improvements in these variables can be achieved in many ways: • By using more efficient components such as electrical motors • By using transformers for heating elements • By using heating-chamber insulation • By reducing the number of components • By means of suitable control systems

A typical HPGQ vacuum furnace has two major systems consuming electric energy in the process of heating and cooling. Each of them is traditionally equipped with an individual power control system. Thyristor drivers or a transductor are used in the process of heating, and a soft-start or a blower-motor frequency inverter is used in the gas-cooling process. Because of the fact that heating and cooling stages are always separated in the furnace operation sequence, only one power control system is on. This was the premise for designing a single, universal system that would control furnace heating power and its cooling rate alternately. The energy-saving power control system for vacuum furnaces developed by SECO/WARWICK (US patent 7,193,188 and EU patent) employs an inverter, which has a number of advantages

Fig. 2. Power control elements in a control cabinet; left – traditional, right – with inverter IndustrialHeating.com - March 2011 43

FEATURE | Vacuum/ Surface Treating

Very high performance parameters were achieved in the area of energy efficiency: • The power factor (PF) of the heating system was increased in comparison to thyristor control. • PF of the blower motor was increased in comparison to the direct power supply. • Power network overload occurring during start-up (at the nominal electric current) was eliminated. The power factor (PF) is defined as a ratio of active power P to apparent power S; PF = P/S. Power factor defines the portion of power consumed by P load in relation to the delivered power S and should be as close to 1 (100%) as possible. Every method of the stepless regu-

100 90 80 PF = 0.66 70 60 50 40 30 50% 20 10 0 0 10 20 30 40 50 60 70 80 90 100 0 Power, %

lation of the power delivered to any receiver is associated with reduced energy efficiency of the appliance, which results in reducing PF. In order to illustrate this effect, PF of the standard 24 x 24 x 36 inch HPGQ furnace system was compared using power regulation by means of a phase-released thyristor driver and an inverter (Fig. 3). The diagrams prove that the higher the power reduction, the worse the power factor. The relation is stronger with thyristor control (SCR) than with inverter (INV). At 50% of power (P), the PF for the thyristor driver is 66% (0.66), whereas for the inverter it is 88% (0.88). This demonstrates a strong advantage of INV (12% power loss) over SCR (34% power loss). A test heat treatment was run in the 24 x 24 x 36 inch HPGQ furnace for both types of power control: a traditional one with the use of thyristor drivers and a new one with the use of inverter.

160

140

140

120

130

Power, PF

Power, PF

20 30 40 50 60 70 Power, %

80 90 100

Power and consumed electric energy were monitored during the process. The process involved heating the charge to 1000˚C (1832˚F) at the speed of 10˚C/ min, holding the temperature for the period of 3 hours and cooling the 600kg (1,323-pound) charge in nitrogen at a pressure of 10 bar. Diagrams illustrate power and power-factor measurements during the process for SCR (Fig. 4) and for INV (Fig. 5) respectively. The course of active power consumption (red) is almost identical for both processes and confirms that they are conducted in the same conditions, which is the basis for comparison. As expected, the most significant differences occur in the courses of passive power (blue) and of PF (green). The passive PV is much lower with INV, and PF value is much higher than with SCR. Figure 6 illustrates the comparison of energy consumption, which can be the basis for estimating the cost of energy for

100 80 P [kW] Q [kVAr] S [kVA] PF [%]

0 17:00 17:30 18:00 18:30 19:00 19:30 20:00 20:30 21:30 21:30 22:00

Fig. 4. Power and power factor in the referential process for traditional control (SCR)

44 March 2011 - IndustrialHeating.com

INV

180

160

20

10

200 SCR

180

40

50%

Fig. 3. PF characteristic in power function P; left – for thyristor driver, right – for inverter

200

60

PF = 0.88

Power factor, %

100 90 80 70 60 50 40 30 20 10 0

Power factor, %

over the traditional system and competing solutions: • A very precise stepless regulation of heating power is assured while enabling a gas-cooling intensity regulation within the whole range of blower speeds. Previously, this was only possible for slow speeds. • It is now possible to realize advanced processes with controlled cooling, including martempering and austempering. • The cooling system can be easily adapted and optimized for using a variety of gases and their mixtures (N2, Ar, He, H2). • The control cabinet is smaller (Fig. 2).

100 80 60 40 20

P [kW] Q [kVAr] S [kVA] PF [%]

0 17:00 17:30 18:00 18:30 19:00 19:30 20:00 20:30 21:30 21:30 22:00

Fig. 5. Power and power factor in the referential process for inverter control (INV)

Fig. 6. Energy summary of SCR and INV Energy consumption SCR

INV

Savings

Pt [kWh]

325

325

0

0

Qt [kVArh]

366

212

154

42%

St [kVAh]

489

388

101

21%

PFay

0.66 0.84

0.18

27%

both processes. The consumption of 325 kWh of active energy was accompanied by the absorption of 366 kVArh of passive energy for thyristors and only 212 kVArh for an inverter, which is 42% less. Data clearly indicates that an inverter energy-control system in a vacuum furnace improves furnace energy efficiency, reducing passive power consumption and the costs of electrical energy. New Technological Capabilities of HPGQ Furnaces Advanced process software solutions expand the scope of today’s HPGQ vacuum furnaces. HPGQ with Helium The HPGQ cooling option, with up to

25-bar cooling-gas pressure (including helium), enables universal heat treatment comparable to quenching oils. The _ factor of the achieved cooling speeds amounts to 1,800-2,000 W/m2K. Uniformity of cooling intensity within a furnace’s total useful space fits into the range of +/-15%. The performance of a 25 VPT 4035/36 furnace (Fig. 1) was presented more thoroughly in the September 2009 edition of Industrial Heating. These furnaces can be equipped with helium recycling systems of up to 99.5% efficiency. Interesting results were achieved during the most recent test of cooling a 16inch cube of H13 steel, which was conducted according to GM-DC-9999-1 and NADCA specifications in the 24 x 24 x 36 inch furnace. Cooling speeds achieved at the side walls ranged between 200-250˚C/ minute (360˚F/min), whereas the speed achieved in a typical 24 x 24 x 36 inch furnace with 10-bar nitrogen cooling system is 80˚C/minute (145˚F/min) with NADCA requirements of 28˚C/minute (50˚F/min).

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SCIENCE

IH11084TM.indd 1

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HPGQ with LPC HPGQ VPT furnaces (<25 bar) are a very good and proven solution for LPC using FineCarb® technology. These furnaces can be used for a classic heat treatment of tools and HSLA steels or to carburize and harden a variety of alloy steels. For carburizing processes, the furnaces are equipped with SimVaC® software – an advanced simulation program consisting of a vacuum-carburizing module, SimCarb, and a quenching module, SimHard

OF VACUUM > Manufacturing vacuum furnaces and ovens in our New Jersey facility since 1965 > Unsurpassed temperature uniformity, precision control and data logging > Easier AMS2750D and NADCAP conformance > Offering a range of sizes and options to fit your budget

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Quench Simulator Furnaces dedicated to heat treatment of tools, including hot-work steel tools, are presently equipped with a simulator that enables designing the cooling process for large parts and/or furnace loads and comparing actual results with the simulation. Thus, the heat-treatment process for expensive tools can be optimized to produce the highest-quality parts. Figure 7 shows the window of the G-Quench Pro simulator.

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Cinnaminson, NJ USA IndustrialHeating.com -10/20/08 March 2011 45 1:24:04 PM

FEATURE | Vacuum/ Surface Treating

Fig. 7. G-Quench Pro simulator

(Fig. 8). This software makes it possible to accurately predict process results. The process simulation predicts the carburizing-gas mix and presents the process result in the form of carbon profile and hardness depth profile. The simulation suggests the process based on a depth requirement. The system takes into consideration

Fig. 8. Simulation of carbon and hardness profile by SimHard®

the steel grade, shape and geometry of treated parts, charge surface size, surface carbon concentration, carbon depth requirement, carburizing temperature, boost and diffusion sequence. Also taken into consideration is the pre-cooling phase before hardening, the cooling-gas type and pressure, and the size of the furnace. Simulation program SimVaC ® is a

necessary support for the technological functions of the furnace, predicting the results of the carburizing and quenching processes. The high accuracy of the simulation and its consistency with the real process results limits or even eliminates the need for conducting research and decidedly accelerates the process optimization.

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Nitrogen, percent Quenching

Ammonia dosing time

Hardening temp.

400

Boost Diffusion Boost Diffusion

700

Prenitriding

Temperature ˚C

1000

Heating Diffusion Diffusion Diffusion Diffusion Sat. Sat. Sat. Sat.

Fig. 11. FineLPN – new method of low-pressure nitriding for tool steels Hardness (max) 1150 HV

Temp: 560˚C

Hydrocarbons dosing time

Hardness (surface) 950 HV av layer 0.02 mm

Time:

Fig. 9. PreNitLPC® process

8 hours

Neutral networks toolbox

Segments:

¡ layer 0.00 mm

Sat./Diff.

Diffusion layer thickness 0.21 mm

Steel: SW7M

Fig. 10. Austenite grain size of 16MnCr5 steel after carburizing for 0.6 mm ECD by regular LPC at 920˚C (left) and PreNitLPC at 1000˚C (right)

T = 1000˚F t = 4 hours

100μm

0

0.002 0.004 0.006 Distance from surface, in.

0.008

Fig. 13. FineLPN nitriding, HS6-5-2 steel (1.3343, M2)

Fig. 12. An example of forecasting nitriding results using the SimLPN module

1000

T = 1000˚F t = 4 hours

900 800 700 600 500 400 300

100μm

0

0.002 0.004 0.006 Distance from surface, in.

0.008

Fig. 14. FineLPN nitriding, X38CrMoV5-1 steel (1.2343, H11)

amounts to 13.6 μm in comparison to 16.7 μm in LPC process alone. As expected, the grain size outside the carburized layer in the core is larger for a higher temperature and amounts to 19.2 μm for PreNitLPC® at 1000˚C and 17.2 μm for vacuum carburizing at 920˚C. Further testing of mechanical properties obtained in PreNitLPC® high-temperature processes proved them to not be worse than those obtained in traditional temperature processes. Tests of comparative hardness, fatigue resistance, pitting and impact resistance were conducted for this purpose. HPGQ with Vacuum Nitriding Tool steels hardened and tempered in HPGQ vacuum furnaces can be nitrided utilizing the FineLPN technology. Nitriding takes place during the second and third tempering cycles. Nitriding, illus1000 Microhardness, HV O.1

1100 1000 900 800 700 600 500 400 300

Nitrides precipitation ... 0.00 mm ... layer thickness

temperature of 925˚C as a reference, the process time can be reduced by half at 980˚C. It is possible to further decrease the process time three, four and five times at temperatures of 1000˚, 1020˚ and 1040˚C, respectively. In order to obtain the effective case depth of 2 mm for 16MnCr5 steel, the process will last 22 hours at the temperature of 925˚C, whereas it will take less than 5 hours at 1040˚C. Thanks to the use of the PreNitLPC® method, it is possible to carburize at the temperatures of 1000˚C and higher without changing the austenitic grain size. Figure 10 illustrates a comparison of the microstructure of a 0.6-mm carburized layer obtained in a vacuum furnace at the temperatures of 920˚C and with the use of the PreNitLPC® method at 1000˚C. As can be observed, in spite of the high temperature, the grain size in the layer is smaller after the PreNitLPC® process and Microhardness, HV O.1

Microhardness, HV O.1

PreNit® Technology The next stage in the FineCarb® vacuumcarburizing development is the carburizing technology supported by nitriding – PreNitLPC®. This technology involves feeding ammonia in the initial phase of the process – at the stage of heating for carburizing (Fig. 9). Nitrogen being introduced into the surface layer supports the carburizing process by accelerating carbon diffusion, reducing the tendency to create carbides and, most importantly, considerably limiting austenitic grain growth. These advantages make it possible to reduce the process time by increasing the carburizing temperature. At the same time, the achieved layer has the appropriate microstructure and mechanical properties, which are not inferior in comparison to those obtained in traditional processes at a lower temperature. Using traditional carburizing at the

Cooling Time

900 800 700 100μm

600 500

T = 1000˚F t = 4 hours

400 300

0

0.002 0.004 0.006 Distance from surface, in.

0.008

Fig. 15. FineLPN nitriding, X155CrVMo12 steel (1.2379, D2) IndustrialHeating.com - March 2011 47

FEATURE | Vacuum/ Surface Treating

Industrial Heating TRAINING 2011 Invest 60 Minutes and LEARN  Induction Success or Failure: Optimum Frequency for Your Process 2:00 p.m./May 19 Selection of the correct operating frequency for an induction-heating application can spell the difference between a successful process and the inability to perform. This Webinar will explore the theory behind frequency selection and the methods for obtaining the optimum frequency for the application. Typical applications will be covered as well as those special areas where multiple frequencies as well as high frequencies can be job specific.  Temperature Sensing/Control: The Right Tools Save You Money 2:00 p.m./August 18 Topics to be covered include: Principles of temperature measurement; Types of sensors and suitable applications; Response, accuracy, and quality control; Non-uniformities, errors and numerical models; Indicators, switches, transmitters, telemetry; Sensors for safety, environmental control, process control.  Secrets of Hardness & Mechanical Testing 2:00 p.m./November 11 This webinar will focus on hardness testing (e.g., Brinell, Rockwell, Rockwell Superficial, Microhardness) and include examples of common testing problems encountered. The presenter will also discuss various other types of mechanical-testing methods, including fatigue, tensile strength, impact, shear and torsion testing. Other types of industry tests such as stress rupture, stress durability, pull-out/push-out, vibration, engagement, wear, microstructure, chemical analysis and corrosion will also be covered.

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48 March 2011 - IndustrialHeating.com

trated in Fig. 11, is similar to vacuum carburizing, where, with the appropriate process segmentation (NH3 dosing, vacuum level and diffusion times), the structure and layer thickness for typical tool steels can be programmed (Fig. 12). The oxygen-free atmosphere of hardening and tempering processes preceding nitriding makes it possible to increase the nitriding uniformity in comparison to other methods of layer activation before nitriding. Figures 13, 14 and 15 illustrate hardness distribution and typical structures achieved for the most commonly used tool steels (M2, H11 and D2). Summary A new generation of single-chamber vacuum furnaces is the result of ongoing vacuum-technology development at SECO/WARWICK S.A. The furnaces make use of a variety of technologies, and available process software makes it easy to operate them with precision. A single HPGQ vacuum furnace can be utilized for multiple technologies, making it very versatile. In the heat treatment of tools, it is possible to combine hardening and tempering with nitriding. These furnaces are prepared for quick assembly and start-up, and thanks to applied control solutions they result in significant energy savings. IH References: 1. M.Korecki., J.Olejnik, Z.Szczerba, M.Bazel SECO/ ’ WARWICK, Swiebodzin Poland; “Single-Chamber HPGQ Vacuum Furnace with Quenching Efficiency Compararable to Oil,” Industrial Heating, Sept. 2009 2. P.Kula, M.Korecki, R.Pietrasik, J.Olejnik, E.Wolowiec; “Low pressure nitriding – FineLPN – the new option for LPC+HPGQ vacuum furnaces,” Furnace North America, 5-6 October 2010, Orlando 3. U.S. patent 7193188 For more information: Contact Dr. Maciej Korecki, vacuum team director, SECO/WARWICK S.A. Sobieskiego 8 str., 66-200 Swiebodzin, POLAND; tel: +48 68 38 20 506; e-mail: m.korecki @secowarwick.com.pl; web: www.secowarwick.com Use this mobile tag to read more about the HPGQ furnace or go to www.industrialheating. com/seco909

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FEATURE | Process Control & Instrumentation

Carbon Controlling with O2-Probe and L-Probe

D. Mikulovic´ – MESA Electronic GmbH; Leitenstr., Geretsried, GERMANY MANY Gas carburizing still plays an important role in heat treatment. Temperature ature and carbon potential (C-potential) of the atmosphere are the essential process-control ss-control parameters. There is no still direct measurement method for C-potential that hat can be used for online process control. The measurement of the oxygen partial pressure re in the furnace atmosphere is the most-used indirect method for the control of the C-potential. l Different types of oxygen probes exist. In this article, the essential differences in construction will be discussed as well as their advantages and disadvantages.

G

a carburizing is a well-unas derstood process.[1] The most d important parameter aside i from temperature is the carf bon potential (C-potential). The C-potenb l tial of a furnace atmosphere is defined as the carbon content (expressed in weight percent) of unalloyed austenite that is in equilibrium with the corresponding atmosphere. For example, an atmosphere with 0.7% C-potential would be in equilibrium with an austenite with 0.7% C. An austenite with more than 0.7% C would be decarburized to 0.7% C, whereas an austenite with lower C content would be carburized up to this value. It should also be mentioned that the C-potential of a certain atmosphere depends on temperature. In order to get a definite carburization depth in the parts, C-potential of the furnace atmosphere has to be measured and controlled during the heat-treatment process.

U

PO2

Yttrium-trioxide PvO2

Probe ceramic

Platinum electrodes

Fig. 1. Principle of the O2 probe

Indirect Determination of C-Potential Basically, the C-potential can be determined directly or indirectly. The directmeasurement methods are not suitable for a continuous measurement of C-potential and a control based on this measurement. However, the direct methods are used to check and adjust the indirect measurement methods if necessary. The following equations are the basis for the indirect determination of the C-potential:

activity depends on temperature and content of carbon that is dissolved in austenite. For a given temperature, each Cpotential equates to a certain value of the activity ac(%C,T). The reactions 1-3 can be linked to the activity via the following equations: (4)

(5) C + 0.5O2 C CO C + CO2 C 2CO C + H2O C CO + H2

(1) (2) (3)

These reactions take place in the furnace atmosphere as well as on the surface of the workpieces. It follows from these reactions that the CO gives off the carbon and O2, CO2 and H2O absorbs it. If the C-potential of the atmosphere is higher than the carbon content on the surface of the workpieces, CO transfers the carbon to the workpieces, whereas O2, CO2 and H2O remove the carbon from the furnace atmosphere. If the C-potential is lower than the carbon content on the surface of the workpieces, CO transfers the carbon to the atmosphere whereas O2, CO2 and H2O remove the carbon from the workpieces. In both cases, these reactions cause an equalization of the carbon content on the surface of the workpieces and the Cpotential of the atmosphere. For the calculation of the C-potential, the activity also becomes important. The

(6) The equilibrium constants of equations 1-3 – KO2, KCO2 and KH2O – are functions of temperature. These functions are well known in literature. Therefore, in order to calculate the C-potential, it is enough to measure the temperature and the partial pressures appearing in one of the equations 4-6. In certain atmospheres (e.g., endogas or mixtures of nitrogen and methanol), the partial pressures p(O2), p(H2) are much higher than the partial pressures p(O2), p(CO2) p(H2O). When the C-potential is changing, the partial pressures p(CO) and p(H2) vary by percentage only a little compared with the percentage variation of p(O2), p(CO2) and p(H2O). This is the reason why for the calculation and control of the C-potential, in most cases, the partial pressures p(CO) and p(H2) are assumed to be constant and only the partial IndustrialHeating.com - March 2011 51

FEATURE | Process Control & Instrumentation

U

U

U

Fig. 2. Types of O2 probes

pressure or volume fraction of O2, CO2, or H2O is measured. Continuous measurement is essential for the control of a process. The marketavailable dew-point sensors, which could be used for continuous determination of the partial pressure of H2O, are not robust enough for measurements in carburizing atmospheres. The measurement of CO2 is done continuously with infrared sensors and is frequently used for comparison. The CO2 measurement has little correlation with the O2 measurement. In addition, the CO2 sensor has higher maintenance requirements because of the drift of zero point. Therefore, the zero point has to be corrected daily with nitrogen if the CO2 measurement is used for C-potential control. These are the main reasons why the measurement of oxygen partial pressure with the oxygen probe (O2-probe) has become widely accepted for the control of C-potential. O2-Probe Construction & Functionality Figure 1 shows the construction of the O2probe. The measuring cell of an O2-probe consists of a one-sided, closed-probe ceramic. The material is zirconium dioxide dotted with yttrium trioxide, for example. These intentionally implemented lattice defects enable the needed oxygen-ion conductivity. Furthermore, these defects also stabilize the ceramic against thermal and mechanical stress. The ceramic is connected with platinum inside and outside. These are the electrodes of the measuring cell. On the inside of the probe, reference 52 March 2011 - IndustrialHeating.com

Fig. 3. Lamda (L) probe

gas is provided, mostly air with the known 20.9% O2. The outside is exposed to the furnace atmosphere. The O2-probe is applicable for in-furnace measurements only at temperatures above 700°C (1292˚F) since the oxygen ions’ conductivity is temperature-dependent. At the inside platinum electrode, oxygen is reduced to oxygen ions. These ions move via ceramic defects to the outer electrode in order to compensate the low oxygen concentration there. The accumulation of electric charges results in a voltage (Nernst equation) (7) that can be measured between the electrodes. The voltage increases when the atmosphere oxygen content decreases. In the process of carburizing, this implies the following: Higher voltage corresponds to a higher C-potential, and conversely lower voltage corresponds to a lower C-potential. There are primarily three different models of O2-probes on the market (Fig. 2): • The first model has a one-sided closed zirconia element that is glued or welded to a ceramic pipe made from alumina. Apart from that, the probe works as described: reference air inside, furnace gas outside, oxygen ions move through the ceramic. • The second model has a zirconia ball. • The third model has a continuous, closed and dense zirconia pipe. Probes with a zirconia element or ball

are less costly than the probes with continuous zirconia pipe, but these probes have lower leak tightness. The difference of the expansion coefficients of the two different ceramics causes fine hairline cracks to occur at the contact point of the two ceramics. Through these cracks, the furnace atmosphere leaks into the inside of the probe ceramics and modifies the reference air. The probe voltage decreases, and the calculated C-potential is lower than the actual value in the furnace. This error can be minimized by increasing the flow rate of the reference air. For calculation of the C-potential via O2 measurement and the equation of chemical equilibrium, the temperature is important for two reasons: • Firstly, the temperature is needed for the determination of the O2 content (eq. 7). • Secondly, the temperature is needed to determine the equilibrium condition from which the C-potential is calculated (eq. 4). Therefore, more often than not the furnace-atmosphere probe temperature is measured with a thermocouple that is fitted inside the probe ceramic. It is recommended to use oxygen probes with thermocouples of type S or with no thermocouple. In the latter case, a separate furnace thermocouple, which is mounted close to the probe, has to be used for the calculation of the C-potential. There are also low-cost probes – mainly with zirconia element or ball – equipped with type-K thermocouples. Because of the

610 600 Probe ceramic U PO2

12 V DC

Temperature, ˚C

PvO2

590 580 570 560 550

Heating element

530 Platinum rings

Highly porous protection layer

Fig. 4. Principle of the L-probe

ceramic design, it is possible to use lightgauge thermocouples. Through ceramic leakages, furnace atmosphere reaches the thermocouple. This gives rise to lower accuracy and a reduced lifetime. For this reason, probes with K-type thermocouples are only conditionally recommendable. Uncertainty of Measurement of the O2-Probe in the Field When handling the O2-probe in the field, the following points should receive attention: • The O2-probe is exposed to mechanical and thermal stress. Since the ceramic is not breakproof, the probe is potentially at risk. In particular, the unbalance of circulating fans can decrease the probe lifetime. Therefore, mounting of the probe near such equipment should be avoided. Furthermore, due to thermal sensitivity, it is time consuming to exchange the O2-probe under process conditions. • Probe leakages increase over the course of time. The increase of the porous area and hairline cracks in the ceramic result in a growing flow rate of reference air. Aside from the already-described effect on the probe voltage, the temperature of the O2-probe thermocouple is also affected. • Materials such as washing agents, oils and covering paste evaporate in the furnace and precipitate on the outer platinum electrode. This yields a falsified measurement and a reduced probe lifetime. To remove residues from the

Controlled L-probe

540

Uncontrolled L-probe 0

50

100

150

200

250 300 Time, sec.

350

400

450

Fig. 5. Temperature profile of a controlled and an uncontrolled L-probe

probe element, an extended purging of the probe is necessary. One of the most known problems is sooting of the outer electrode, particularly when the process is controlled near to the soot limit. The sooting of the electrode yields a falsified measurement too. In this case, the only help is a cyclic purging with air. Keep in mind that the valve for air purging has to be mounted near the probe. Long pipes produce long dwell time after the purging. The valve must close well and should not jam. • At temperatures above 1100°C (2012˚F), the electron conduction in the zirconia is increasing and cannot be neglected anymore.[2][3] Decarburizing processes at high temperatures (e.g., decarburizing of cast iron) can be controlled with the oxygen probe if, and only if, the electron conduction effect is compensated. • If chromium-nickel steels are used as a protection tube, microscopic analysis indicates that, near the zirconia tip, the chromium in the tube dissolves away in the furnace. Soot particles and oxygen cling to the porous surface. The soot on the probe causes faulty measurements. The oxygen induces increased probe reaction time and long relaxation time after probe purging. L-Probe Construction & Functionality Due to the aforementioned problems, attempts were made to place a smaller oxygen-measurement cell outside the furnace. The use of oxygen-conductive solid electrolytes (e.g., zirconia ceramic) for combus-

tion control in the automotive industry has led to miniaturized oxygen probes, namely the Lambda probe (L-probe). As a result of mass production, a robust and economically priced sensor is available today (Fig. 3). The functionality of the L-probe and O2-probe is basically the same. However, there is an essential difference in construction and measuring setup. The form of the L-probe is similar to the O2-probe – one-sided closed pipe (Fig. 4). The ceramic is also the same. The probe ceramic surface is covered with a microporous platinum layer inside and outside. These two platinum layers are the electrodes of the measuring cell. The outside platinum layer is protected with a highly porous ceramic layer. In order to enable the movement of oxygen ions through the ceramic, a nickel heating element heats the ceramic inside the L-probe. A rapid heating of the probe is possible because of the PTCcharacteristic. IH Unfortunately, we could not fit all of this article into print. Please use this Mobile Tag to finish reading, or go to www.industrialheating.com/ MESA For more information: Contact Dr. Džo Mikulovicv, Director, MESA Electronic GmbH, Leitenstr. 26 82538 Geretsried – Germany; tel.: +49 (0) 8171-76930; e-mail: dmikulovic@ mesa-international.de

For the conclusion snap this Mobile Tag

IndustrialHeating.com - March 2011 53

FEATURE| |Heat Ceramics & FEATURE & Corrosion Refractories/Insulation Resistant Alloys/Composites

Maintenance for Cooling Towers: Protecting Process-Cooling Systems from Costly “Fatigue” Tom Ryder – Delta Cooling Towers; Rockaway, N.J. If your cooling tower and related equipment are not in good physical shape, there could be a terrible price to pay in loss of process efficiency, damage to downstream equipment and loss of production.

T

h loss of cooling capability he from industrial cooling towers f that are not running at optit mum can result in a number m of serious consequential “syso temic” problems, including paralyzing and pricey damage such as excessive downtime, destruction of equipment and loss of product due to quality issues. Like your car, when you run a cooling tower in the “red,” you are going to see consequential damage. When you continuously run a car in the red, you are exposing yourself to a series of heat-related problems, including damaged gaskets and seals, premature cylinder wear, warped cylinder heads and even catastrophic engine damage. When a cooling tower is suffering from a lack of preventive maintenance, you could experience overheated equipment, increase in scrap material, refrigeration losses, heat-exchanger inefficiencies and other severe operational consequences. Cooling towers play a critical role in cooling process equipment used in pulp 54 March 2011 - IndustrialHeating.com

and paper production; the manufacture of metals, textiles and plastics; petrochemical processing; the processing and storage of food; beverage and pharmaceutical products; and many HVAC systems. If cooling towers are not kept in good shape and receiving preventive maintenance, they can become “fatigued,” which can in turn put a strain on system equipment and downstream processes. Unless the cooling tower is well maintained, the water it provides devices such as heat exchangers, production machinery and HVAC systems will be less able to draw off heat. For example, the “cold side” of a heat exchanger will receive water that is not as cool as optimum. Therefore, the heat exchanger will be less able to draw off heat from process fluids. If the cooling-tower shell is in bad shape or requires too much repetitive maintenance, then perhaps the system should be replaced with one of today’s more advanced models, such as seamless plastic cooling towers.

A High Price to Pay The cost of overlooking the maintenance of a cooling tower can be heavy, almost regardless of application. In the pulp and paper industry, for example, a process interruption for unscheduled service can run into hundreds of thousands of dollars. The same thing can occur in chemical processing. If you don’t sufficiently cool that equipment, forget the normal fears about downtime. You’re going to be repairing and replacing hardware, so you will have an impact that is both loss of production and loss of capital equipment. The impact can be amplified in applications where there are cooling towers operating with sometimes dozens of devices daisy-chained off them. Injection Molding In the injection-molding industry, you have to be concerned about downtime plus the loss of machinery that is vital to your application. If the cooling tower is not cooling enough and causes a series

of injection-molding machines to overheat, the very expensive molding equipment is going to produce scrap parts or will simply lock up like a seized engine. It could take weeks to replace the equipment, if necessary, and certainly days to clean it up – if no catastrophic damage has occurred. Both Routine and Preventive Just as with automobiles, routine and preventive maintenance of cooling towers is necessary to avoid costly repairs. Fill material or wet decking should be serviced or replaced in cooling towers. Fouled fill material will not get sufficient air volume contacting the system’s water to dissipate heat efficiently. Therefore, it will make the fan(s) and motors work harder, adding significantly to energy costs. Worse yet, it can make them unable to achieve required cooling temperatures. If you are running water through fouled cooling-tower wet decking, you will not get the necessary dissipation of heat, and the water getting down to the tower sump will not be cold enough for the processing equipment. Ventilation louvers should be washed down, as well as the wet decking, which facilitates the cooling evaporation process. Drift eliminators should be checked to prevent unnecessary water loss. Plus, any repairs such as patching, welding or cleaning of cooling-tower sheeting should be done as required. Cooling towers cool water through heat transfer and evaporation. With a loss of 1% water for every 10 degrees of cooling required, the evaporation factor can be very significant – 20 or 30 gallons per minute is not uncommon for small towers. When evaporation occurs, scale is left behind, which can interfere with cooling-tower efficiency and require expensive maintenance or acid cleaning. Because plastic cooling towers are impervious to residual salts, the tower cannot be damaged, and fill material can be cleaned up by most aggressive descalers. Metal towers, on the other hand, can be irreparably harmed by descalers, causing a premature whole-tower rebuild or replacement. Replace vs. Repair Sometimes preventive maintenance is not enough, or perhaps has been overlooked for too long, making the replacement of a cooling tower the most practical solution. To use the automobile example, when are you spending more than a couple of thousand dollars a year in maintaining your car, you may weigh that expense against spending a couple of thousand dollars a year in payments for a brand-new car. The same consideration may apply to cooling towers, particularly the old, metal-clad designs that require and are very sensitive to frequent chemical treatments, patching and welding. Delta Cooling Towers, which are based on a seamless engineered-polyethylene shell, offer a much lower cost of ownership because overall maintenance is minimal, and the tower shell doesn’t require preventive maintenance nor does it ever have to be relined or repaired. But even a cooling tower as durable as these seamless engineered plastic models should still receive some inspection and

Cooling towers play a critical role in many and various industries, including the manufacture of metals, plastics and textiles.

maintenance. You should clean your PVC fill or packing material, you should make sure that your louvers are clean for optimum air flow and minimized need of the electric fan, and you should ensure that drift eliminators are operational. That will go a long way toward avoiding cooling tower “fatigue” for many years to come. IH For more information, contact Delta Cooling Towers, Inc., 41 Pine Street, Rockaway, NJ 07866; tel: (800) BUY-DELTA (289-3358); fax: 973586-2243; e-mail: [email protected]; web: www.deltacooling. com. The author, Tom Ryder, is a cooling-tower expert and customer support specialist for Delta Cooling Towers.

Long Lasting

Won’t Rust or Corrode Avoid Down Tme Save on Maintenance

15-Year Shell Warranty

Not Harmed by H2O Chemical Treatments

The Greatest Thing Since a Delta Cooling Tower. Delta Cooling Towers designed the first engineered plastic (polyethylene) cooling tower in 1971. Since then we’ve improved and expanded “The Most Durable Corrosion-Proof Cooling Towers Available” to a full line, factory assembled and ready for any application. Visit us at www.deltacooling.com, or call 1.800.289.3358.

IndustrialHeating.com - March 2011 55

Commercial Heat Treaters Directory

Commercial Heat Treaters Directory

W

elcome to Industrial Heating’s 2011 Commercial Heat Treaters Directory. Here you will find a comprehensive alphabetical listing of commercial heat treaters – complete with each company’s contact information. It reads just like a phone book. If you’re looking for a member of the Metal Treating Institute (MTI), keep your eyes peeled for the star (+) that accompanies all MTI member listings. As if this catalog isn’t enough, continue onward to Industrial Heating’s Commercial Heat-Treating Capabilities Directory (starting on p. 64). On

these pages, you will find an unrivaled database of the previously listed commercial heat treaters … only this time with a detailed registry of their capabilities and services. This section is broken down alphabetically by the state in which the company is located. These directories are a great resource that will prove extremely valuable to you throughout the year. It is in the best interest of anyone in search of a commercial heat treater to take time and browse this special section. You can take further advantage by checking out this directory online at www.industrialheating.com/commercialheattreat.

A & M Heat Treating Ltd.+ Mississauga, ON (905) 676-0911 www.amheattreat.com Mohammad Hasnat, Pres.

Advanced Heat Treating Solutions+ Mississauga, ON (905) 673-1611 www.advancedheattreating.com Peter Sethi, Pres.

A & M SurfTech Ltd., Surface Coatings Mississauga, ON (905) 362-0540 Yasir Abubakr, Plant Mgr.

AirSep Corporation, Commercial Products Div. Buffalo, NY (716) 691-0202 www.airsepcpd.com James T. Klein, Jr., N.A. Reg. Sales Mgr.

Ajax TOCCO Magnethermic Corporation Ajax, ON (905) 683-4980 www.ajaxtocco.com John Caruso SEE OUR AD ON PAGE 9

A & S Silver Brazing Inc. Warren, MI (586) 756-7350 www.asbrazing.com Dan Kalich, Pres. Aberfoyle Metal Treaters Ltd.+ Guelph, ON (519) 763-1120 www.aberfoyle-mt.com Harry Hall, Pres. Accurate Brazing Co., of Aalberts Industries+ Goffstown, NH (603) 625-1456 www.accuratebrazing.com Hazen Earle, Oper. Mgr. Advanced Heat Treat Corp. Cullman, AL (256) 739-2775 www.ahtweb.com Jon Montgomery, Tech. Sales Advanced Heat Treat Corp. Waterloo, IA (319) 232-5221 www.ahtweb.com Advanced Heat Treat Corp., Plant 1 Waterloo, IA (319) 232-0745 www.ahtweb.com Jeff Thompson, V.P. Oper. Advanced Heat Treat Corp. Monroe, MI (734) 243-0063 www.ahtweb.com Chad Clark, Reg. Sales Advanced Heat Treating Inc.+ Saint Marys, PA (814) 781-3744

Akron Steel Treating Co.+ Akron, OH (330) 773-8211 www.akronsteeltreating.com Joseph A. Powell, Pres.

Ajax TOCCO International Limited Birmingham, Saltley, West Midlands, 011-44-121-322-8000; www.ajaxtocco.com Phil Hyland, Oper. Dir. SEE OUR AD ON PAGE 9

ALD Own and Operate GmbH, ALD Thermal Treatment Inc.+ Hanau, (810) 357-0682 www.aldtt.com or www.ald-vt.de SEE OUR AD ON PAGE 33

Ajax TOCCO Magnethermic Boaz, AL (256) 593-7770 www.ajaxtocco.com Houston Lee, Reg. Sales Mgr. SEE OUR AD ON PAGE 9

ALD Thermal Treatment, Vacuheat GmbH Limbach-Oberfrohna, +49 3722 402219 www.vacuheat.de SEE OUR AD ON PAGE 33

Ajax TOCCO Magnethermic Corporation Quintana, El Marquez, Queretaro CP, 011 52 442 221 5415; www.ajaxtocco.com SEE OUR AD ON PAGE 9 Ajax TOCCO Magnethermic Corporation Wickliffe, OH (440) 833-0386 www.ajaxtocco.com Jim Roginski, Regl. Sales Mgr. SEE OUR AD ON PAGE 9 Ajax TOCCO Magnethermic Corporation Madison Heights, MI (248) 399-8601 www.ajaxtocco.com Chris Pedder, Mgr. SEE OUR AD ON PAGE 9 Ajax TOCCO Magnethermic Corporation Warren, OH (330) 372-8511 www.ajaxtocco.com George Welch, Mgr. SEE OUR AD ON PAGE 9

-ALD Thermal Treatment Inc. 2656 24th St., Port Huron, MI 48060 (810) 357-0682 Fax: (810) 357-0699 [email protected] or [email protected] www.aldtt.net or www.ald-vt.de Michael Pode, V.P. Sales SEE OUR AD ON PAGE 33 ALD Tratamientos Termicos S.A. de C.V. Ramos Arizpe, Coahuila, +52 844 8669775 www.aldtt-mexico.com or www.aldtt.net SEE OUR AD ON PAGE 33 All Foils Inc. Strongsville, OH (440) 378-0166 www.allfoils.com Carol J. Harris, Mktg. Mgr. All-Source Heat Treating Inc.+ St. Catharines, ON (905) 682-2289 www.all-sourceheattreating.com Wayne Howard, Pres.

Allied Heat Treat Ltd. Mississauga, ON (905) 677-8000 www.alliedheattreat.com; Moe Price Alloy Steel Treating Co. Inc. Gobles, MI (269) 628-2154 Allread Products Terryville, CT (860) 589-3566 www.allreadproducts.com; Bill Allread, Pres. American Brazing, Div. of Paulo Products Co.+ Willoughby, OH (440) 946-5900 www.americanbrazing.com Steve Prout, Bus. Dev. Mgr. American Heat Treating Inc.+ Monroe, CT (203) 268-1750 www.americanheattreating.com American Metal Processing Co.+ Warren, MI (586) 757-7337; www.ampht.com American Metal Treating Co.+ Cleveland, OH (216) 431-4492 www.americanmetaltreating.com Bruce M. Devney, Pres. American Metal Treating Inc., Manufacturing/Processing+ High Point, NC (336) 889-3277 www.americanmetaltreatinginc.com Brant Ramm, V.P. American Steel Treating+ Perrysburg, OH (419) 874-2044 www.americansteeltreating.com Anderson Brazing Co. Inc. Madison Heights, MI (248) 399-5155 www.andersonbrazing.com Robert L. Stewart, Pres. Anderson Specialty Co. W. Hartford, CT (860) 953-6630 Wayne Longfellow, Gen. Mgr.

We heat treat the BIG stuff! Stress Relieving, Annealing, Normalizing, Blasting, Painting

A UNIQUE COMPANY WITH UNIQUE CAPABILITIES 56 March 2011 - IndustrialHeating.com

-View Product spec sheets for these companies at www.industrialheating.com/commercialheattreat

Commercial Heat Treaters Directory

AP Southridge Inc.+ Livonia, MI (734) 464-8000 www.appliedprocess.com AP Westshore Inc.+ Oshkosh, WI (920) 235-2001 www.appliedprocess.com Chad Moder, Plant Mgr.

Bennett Heat Treating & Brazing Co.+ Ivyland, PA (973) 589-0590 www.bennettheat.com David J. Quaglia, Pres.

Bluewater Thermal Solutions, Fountain Inn+ Fountain Inn, SC (864) 862-3516 www.bluewaterthermal.com

Bodycote, Livonia Livonia, MI (734) 427-6814 www.bodycote.com Biji George, Gen. Mgr.

Blanchard Metal Processing+ Salt Lake City, UT (801) 972-5590 www.bmproc.com

Bluewater Thermal Solutions, Benton Harbor+ Benton Harbor, MI (269) 925-6581 www.bluewaterthermal.com

Bodycote, Tulsa - Pine Tulsa, OK (918) 627-7324 www.bodycote.com Dan O’Dell, Gen. Mgr.

Bluewater Thermal Solutions, South Bend+ South Bend, IN (574) 232-3338 www.bluewaterthermal.com

Bodycote, Vernon Los Angeles, CA (323) 264-0111 www.bodycote.com Chris Hall, Gen. Mgr.

Bluewater Thermal Solutions, Chicago Plant 2+ Northlake, IL (708) 410-8000 www.bluewaterthermal.com

Bodycote, Rochester Rochester, NY (716) 436-7876 www.bodycote.com Anthony Schaut, Gen. Mgr.

Bluewater Thermal Solutions, Chicago Plant 1+ Northlake, IL (708) 410-8000 www.bluewaterthermal.com

Bodycote, Indianapolis Indianapolis, IN (317) 924-4321 www.bodycote.com Ray Thompson, Gen. Mgr.

Bodycote, Silao Silao, (734) 578-3315; www.bodycote.com

Bodycote, Huntington Park Huntington Park, CA (323) 583-1231 www.bodycote.com Chris Hall, Gen. Mgr.

Applied Process Inc.+ Livonia, MI (734) 464-8000 www.appliedprocess.com Steven Sumner, Plant Mgr.

Bluewater Thermal Solutions, Greensburg+ Greensburg, IN (812) 663-4114 www.bluewaterthermal.com

Applied Thermal Technologies Inc.+ Warsaw, IN (574) 269-7116 www.appliedthermaltechnologies.com

Bluewater Thermal Solutions, St Marys+ St. Marys, PA (814) 781-6262 www.bluewaterthermal.com

Aremac Heat Treating LLC+ City of Industry, CA (626) 333-3898 www.aremac.com Arrow Tank & Engineering Co. Cambridge, MN (763) 689-3360 www.arrowtank.com Joe Stitz, Heat Treat Mgr. Atmosphere Heat Treating+ Wixom, MI (248) 960-4700 www.atmosphere-online.com James Haase Austenit S.A. Mixco (Zona 8), (502) 24.72.44.37 www.austenit.com Andre Detry, Gen Mgr. B O S Services Co.+ Willoughby, OH (440) 946-5101 www.bosservicesheattreating.com Baltimore Heat-Treat Corp.+ Baltimore, MD (410) 789-6161 www.baltimoreheattreat.com Subrata Kumar, V.P./Gen Mgr.

Bluewater Thermal Solutions, Rockford+ Rockford, IL (815) 397-5424 www.bluewaterthermal.com Bluewater Thermal Solutions Saginaw, MI (517) 748-5284 www.bluewaterthermal.com Bluewater Thermal Solutions, Chicago Plant 3+ Melrose Park, IL (708) 410-8000 www.bluewaterthermal.com

Bodycote, OK City Oklahoma City, OK (405) 670-5710 www.bodycote.com Barry Dunham, Gen. Mgr.

Bluewater Thermal Solutions, Corporate+ Greenville, SC (864) 990-0050 www.bluewaterthermal.com

Bodycote, Santa Fe Springs Burke Santa Fe Springs, CA (562) 693-7733 www.bodycote.com Paul Dymond, Gen. Mgr.

Bluewater Thermal Solutions, Kitchener+ Kitchener, ON (519) 748-5284 www.bluewaterthermal.com

Bodycote, Fremont+ Fremont, CA (510) 492-4200 www.bodycote.com

Bluewater Thermal Solutions, Coldwater Coldwater, MI (517) 279-4981 www.bluewaterthermal.com

Bee Hive Heat Treating Service Inc. South Norwalk, CT (203) 866-1635 www.beehivect.com Barry Brown, Pres.

Bluewater Thermal Solutions, Conyers+ Conyers, GA (770) 922-3954 www.bluewaterthermal.com

Beechner Heat Treating Co. Inc. Rockford, IL (815) 397-4314 Barbara Bagwell, Pres.

Bluewater Thermal Solutions, Reidsville+ Reidsville, NC (336) 342-0308 www.bluewaterthermal.com

Bell Induction Heating Inc. Belleville, MI (734) 697-0133 John M. Dolski, V.P./Gen. Mgr. Bennett Heat Treating & Brazing Co.+ Newark, NJ (973) 589-0590 www.bennettheat.com David J. Quaglia, Pres.

Bodycote, Westminster Westminster, CA (714) 893-6561 www.bodycote.com Gabriel Roca, Gen. Mgr.

Bodycote, Fort Worth Fort Worth, TX (817) 737-6651 www.bodycote.com Chris Johnson, Gen. Mgr. Bodycote, London London, OH (740) 852-5000 www.bodycote.com, Chris Gattie, Gen. Mgr. Bodycote, Suffield Suffield, CT (860) 668-0251 www.bodycote.com Kelly Hoffman, Gen. Mgr.

Bluewater Thermal Solutions, Athens+ Athens, AL (256) 233-1147 www.bluewaterthermal.com

Bodycote, Kitchener Kitchener, ON (519) 744-6301 www.bodycote.com

Bodycote, SFS-Romandel Santa Fe Springs, CA (562) 946-1717 www.bodycote.com Manuel Granillo, Gen. Mgr. Bodycote, S. Windsor S. Windsor, CT (860) 282-1371 www.bodycote.com Mike Sakelakos, Gen. Mgr.

Bodycote, Canton Canton, MI (734) 459-8514 www.bodycote.com Steve Richardson, Gen. Mgr.

Bluewater Thermal Solutions, Morristown+ Morristown, TN (423) 586-3200 www.bluewaterthermal.com

Bodycote, Highland Heights Cleveland, OH (440) 473-2020 www.bodycote.com Ron Perkins, Gen. Mgr.

Bodycote, Rancho Domiguez Rancho Dominguez, CA (310) 604-8000 www.bodycote.com Paul Dymond, Gen. Mgr. Bodycote, Sturtevant Sturtevant, WI (262) 554-8770 www.bodycote.com; Kevin Strom Bodycote, Houston Houston, TX (713) 691-4544 www.bodycote.com Steve Cargill, Gen. Mgr.

We blast and paint the BIG stuff! Weldments, Castings, Tanks, Pressure Vessels

4560 Kellogg Ave., Cincinnati, OH 45226 [email protected] Phone: 513-321-8122 www.derrickcompany.com Member Metal Treating Institute (MTI)

IndustrialHeating.com - March 2011 57

Commercial Heat Treaters Directory

Bodycote, Laconia Laconia, NH (603) 524-7886 www.bodycote.com Tom Ruglic, Gen. Mgr.

Braddock Metallurgical - NJ Bridgewater, NJ (732) 356-2906 www.braddockmt.com Bill Schultz, Gen. Mgr.

Cincinnati Flame Hardening Co. Fairfield, OH (513) 942-1400 www.flamehardening.com Allen Leach, Gen. Mgr.

Bodycote, Ipswich Ipswich, MA (978) 356-3818 www.bodycote.com Mike Sakelakos, Gen. Mgr.

Braddock Metallurgical - Tampa Riverview, FL (813) 672-7722 www.braddockmt.com Griff Braddock, Gen. Mgr.

Cincinnati Steel Treating Co.+ Cincinnati, OH (513) 271-3173 www.steeltreating.com

Donohoo Steel Treating Co.+ Bettendorf, IA (563) 355-1805 www.donohoosteel.com Bill Donohoo, Pres./Owner

Bodycote, Melrose Park Melrose Park, IL (708) 344-4080 www.bodycote.com Mario Ciampini, Gen. Mgr.

Brazing Service Inc. Westlake, OH (440) 871-1120

City Steel Heat Treating Inc. Santa Fe Springs, CA (562) 789-7373 www.citysteelht.com Samuel Boyer, Gen. Mgr.

Donovan Heat Treating Co. Inc.+ Philadelphia, PA (215) 335-2200 www.donovanheattreat.com Jeff Uhlenburg, Pres.

CMC Impact Metals, Pell City AL, Chicora PA, Youngstown OH+ Pell City, AL (888) 682-7337 Jim McKain, Sales Mgr.

Dynamic Surface Technologies+ Canton, MI (734) 459-8022 www.dynablue.com Loren Epler, Pres.

Coleman Commercial Heat Treating Inc. Memphis, TN (901) 366-0204 www.colemancommht.com Mick Coleman, Pres.

East Carolina Metal Treating Inc.+ Raleigh, NC (919) 834-2100 www.ecmtinc.com Rocky Strickland, Pres.

Coleman Heat Treating+ Jacksonville, AR (501) 982-3148 www.colemanheattreating.com Jerry Coleman, Gen. Mgr.

East-Lind Heat Treat Inc.+ Madison Heights, MI (248) 585-1415 www.eastlind.com Bob Easterbrook, Jr., Gen. Mgr.

Commercial Steel Treating Corp.+ Madison Heights, MI (248) 588-3300 www.commercialsteel.com Scott Hoensheild, Pres./CEO

Edwards Heat Treating Service+ San Leandro, CA (510) 638-4140 www.edwardsheattreating.com Lee Edwards, Pres.

Continental Heat Treating+ Santa Fe Springs, CA (800) 622-6624 James Stull, Pres.

EFD Induction Inc. Madison Heights, MI (248) 658-0700 www.efd-induction.com

Controlled Thermal Technology Phoenix, AZ (602) 272-3714 www.cttaz.com Danny Rosetta, V.P. Oper.

Electroheat Technologies LLC Almont, MI (810) 798-2400 www.electroheat-technologies.com Michael Hammond, Pres.

Cook Induction Heating Co.+ Maywood, CA (323) 560-1327 www.cookinduction.com Keith Doolittle, Pres.

Electronic Development Labs Inc. Danville, VA (434) 799-0807 www.edl-inc.com

Bodycote, New Berlin New Berlin, WI (262) 782-5553 www.bodycote.com Don Giessel, Gen. Mgr. Bodycote, Berlin Berlin, CT (860) 225-7691 www.bodycote.com Kelly Hoffman, Gen. Mgr. Bodycote, Eden Prairie Eden Prairie, MN (612) 944-5500 www.bodycote.com Mario Ciampini, Gen. Mgr. Bodycote, Worcester Worcester, MA (508) 754-1724 www.bodycote.com Caitlin Nagrocki, Gen Mgr. Bodycote, Tulsa 74th Tulsa, OK (918) 627-7324 www.bodycote.com Jeff Windschitl, Gen. Mgr. Bodycote, Cincinnati Cincinnati, OH (513) 921-2300 www.bodycote.com Kevin McCurdy, Gen. Mgr. Bodycote, Newmarket Newmarket, ON (905) 853-2500 www.bodycote.com Sushil Suri, Gen. Mgr. Bodycote, Camas Camas, WA (360) 833-1120 www.bodycote.com Joe Dyer, Gen. Mgr. Bohler-Uddeholm Thermo-Tech+ Mississauga, ON (800) 665-8335 www.bucanada.ca Braddock Metal Treating, Caribe Metallurgical Bayamon, (787) 787-1919 www.braddockmt.com Clay Braddock, Gen. Mgr. Braddock Metallurgical Aerospace Services+ Boynton Beach, FL (561) 622-2200 www.braddockmt.com Steve Hutchinson, Gen. Mgr. Braddock Metallurgical - Daytona+ Daytona Beach, FL (386) 267-0955 www.braddockmt.com Braddock Metallurgical - GA Atlanta, GA (404) 355-6952 www.braddockmt.com Tim Waters, Gen. Mgr. Braddock Metallurgical - Jacksonville Jacksonville, FL (904) 741-6999 www.braddockmt.com

Brite Metal Treating Inc. Maple Hts., OH (216) 475-0400 George Mokrytzky, Pres. Burbank Steel Treating Inc. Burbank, CA (818) 842-0975 burbanksteel.com BVHT Inc. Monaca, PA (724) 728-4328 www.mpsteel.com Eric Withers, Plant Mgr. Byington Steel Treating Inc.+ Santa Clara, CA (408) 727-6630 www.byingtonsteel.com Don Judson, V.P / Plant Oper. Byron Products Inc.+ Fairfield, OH (513) 870-9111 www.byronproducts.com Rick Henry, Pres. California Brazing Newark, CA (510) 790-2300 www.californiabrazing.com Jeff Ager, Gen. Mgr. California Surface Hardening Inc. Compton, CA (310) 608-5576 www.calflamehardening.com Peter Noonan, Pres. Calumet Surface Hardening Co. Inc.+ Hammond, IN (219) 844-5600 Donald A. Doffin, Owner Cambridge Heat Treating Cambridge, ON (519) 653-7002 www.cambridgeheattreating.com Peter Robbins, Plant Mgr. Cascade Metallurgical Inc.+ Kent, WA (253) 872-6161 www.cascademet.com Jeff Harp, Facilities Mgr.

County Heat Treat, United County Industries Corp.+ Millbury, MA (508) 865-5885 www.countyheattreat.com CryoPlus Inc. Wooster, OH (330) 683-3375 www.cryoplus.com Custom Heat Treat Inc. Kingsford, MI (906) 774-9240

Century Sun Metal Treating+ Traverse City, MI (231) 941-7800 www.century-sun.com

Dayton Forging & Heat Treating+ Dayton, OH (937) 253-4126 www.daytonforging.com

Certified Heat Treating Co.+ Peoria, IL (309) 693-7711 www.certifiedheat.com

Delphi Engineering & Contracting Inc. Sewell, NJ (856) 228-5700 www.delphiengineering.com Nicolas Pjatikin, Pres.

-Certified Metal Craft Inc.+ 877 Vernon Way, El Cajon, CA 92020 (619) 593-3636 Fax: (619) 593-3635 cmci@certifiedmetalcraft.com www.certifiedmetalcraft.com Dale Jack, Sales Mgr.

Dependable Metal Treating Inc.+ Kendalville, IN (260) 347-5744 www.dependablemetaltreating.com Ross L. Noble, Pres.

Chicago Flame Hardening Co.+ East Chicago, IN (219) 397-6475 www.cflame.com; John H. Farnsworth

Derrick Co. Inc.+ Cincinnati, OH (513) 321-8122 www.derrickcompany.com Joe Apgar, Sales Mgr.

Chicago Induction Metal Treating+ Chicago, IL (773) 826-1213 www.chicagoinduction.com Steven Bailey, Pres.

Desert Fire Industries Inc.+ Phoenix, AZ (602) 268-1511 www.desertfire-heat-treat.com Douglas Kreck, Pres.

58 March 2011 - IndustrialHeating.com

Detroit Steel Treating Co. Pontiac, MI (248) 334-7436 Raymond R. Fox, V.P.

Elmira Heat Treating Inc.+ Elmira, NY (607) 734-8904 www.elmiraht.com Richard Youngs, Pres. Eltro Services Inc. Oxford, MI (248) 628-9790 www.eltroservices.com or www. eltropuls.de Craig Sytsma, Dir. Engineered Heat Treat Inc.+ Madison Heights, MI (248) 588-5141 www.ehtinc.com Keith Pilibosian, Pres. Enterprise Equipment Co. Inc. Detroit, MI (313) 366-6600 www.eecoinc.com Euclid Heat Treating Co.+ Euclid, OH (216) 481-8444 www.euclidheattreating.com John H. Vanas, Pres. Evans Heat Treating+ Huntingdon Valley, PA (215) 938-8791 Exactatherm Ltd.+ Mississauga, ON (905) 677-7822 Peter C. Lidster, Pres. Exotic Metal Treating Inc. Indianapolis, IN (317) 784-8565 www.exoticmetaltreating.com Keith Susko, V.P./Q.A.

-View Product spec sheets for these companies at www.industrialheating.com/commercialheattreat

Commercial Heat Treaters Directory

Fire Kote Steel Treating Wyoming, MI (616) 475-5750 www.firekote.com Flame Metallurgical Inc. Houston, TX (281) 590-6601 www.flamemet.com Lysle F. Haney Flame Metals Processing Corp.+ Rogers, MN (763) 428-2596 www.flamemetals.com Dan Gelo, Sales Mgr. Flame Metals, Roger’s Plant+ Rogers, MN (763) 428-2596 www.flamemetals.com Dan Gelo, Sales Mgr. Flame Treating & Engineering Co.+ West Hartford, CT (860) 953-3519 www.flametreating.com Tom Benoit Jr, Pres. Fox Valley Heat Treat Inc.+ Oshkosh, WI (920) 231-0955 Michael L. Galligan, Pres. FPM Heat Treating+ Milwaukee, WI (414) 355-7900 www.fpmht.com Scott Licklider, Gen. Mgr. FPM Heat Treating+ Elk Grove Village, IL (847) 228-2525 www.fpmht.com George Manseau, Gen. Mgr. FPM/Ipsen Heat Treating+ Cherry Valley, IL (815) 332-4961 www.fpmht.com Bryan Ames, Gen. Mgr. Franklin Brazing & Metal Treating Inc.+ Lebanon, OH (800) 450-7782 www.franklinbrazing.com David Dunn, Sales Engr. Fused Metals Inc. Georgetown, ON (905) 877-4946 www.fusedmetalsinc.com Grant Robinson, Metallurgical Mgr. Galaxy Brazing Co. Inc. Santa Fe Springs, CA (562) 946-9039 www.galaxybrazing.com John McGee, Pres. Garner Heat Treat Inc.+ Oakland, CA (510) 568-0587 www.garnerheattreatinc.com Ray Etherton General Metal Heat Treating Inc.+ Cleveland, OH (877) 391-0886 www.generalmetalheat.com Frank Skully, Plant Mgr. General Surface Hardening Inc.+ Chicago, IL (312) 226-5472 www.gshinc.net Stanley Peebles, Pres. Gerdau MACSTEEL Atmosphere Annealing North Vernon, IN (812) 346-1275 www.gerdaumacsteel.com Sanjeev Deshpande, Pres.

Gerdau MACSTEEL Atmosphere Annealing+ Lansing, MI (517) 485-5090 www.gerdaumacsteel.com Sanjeev Deshpande, Pres. Gerdau MACSTEEL Atmosphere Annealing+ Canton, OH (330) 478-0314 www.gerdaumacsteel.com Sanjeev Deshpande, Pres. Gerdau MACSTEEL Atmosphere Annealing+ Lansing, MI (517) 482-1374 www.gerdaumacsteel.com Sanjeev Deshpande, Pres.

HI TecMetal Group, Brazing & Metal Treating (BMT)+ Cleveland, OH (216) 881-8100 www.htg.cc; Bernard Brazis, SBU Mgr.

Hudapack Metal Treating of Illinois Inc.+ Glendale Heights, IL (630) 858-0505 Earl J. Pack, V.P.

HI TecMetal Group, HI Tech Aero+ Eastlake, OH (216) 881-8100 www.htg.cc

Hy-Vac Technologies Inc.+ Detroit, MI (313) 838-2800 www.hyvacgroup.com Kevan Johnston, Pres.

HI TecMetal Group (HTG.), Corporate Headquarters Cleveland, OH (216) 881-8100 www.htg.cc; Terry Profughi, Pres.

Hydro-Thermal Corporation Waukesha, WI (262) 548-8900 www.hydro-thermal.com

HI TecMetal Group, Nitrotec+ Wickliffe, OH (440) 943-4555 www.htg.cc

IMT York LLC+ York, SC (803) 684-2548 www.imtllc.com

HI TecMetal Group, Thermal Treatment Center+ Wickliffe, OH (440) 943-4555 www.htg.cc

Induction Heat Treating Corp.+ Crystal Lake, IL (815) 477-7788 www.ihtcorp.com Dave Haimbaugh, Pres.

HI TecMetal Group, Walker+ Cleveland, OH (216) 941-0440 www.htg.cc

Induction Services Inc., Heat Treat Warren, MI (586) 754-1640 www.inductionservicesinc.com

Great Plains Metallurgical Co. Inc.+ Omaha, NE (402) 331-1337 Robert L. Barchus, Pres.

HI TecMetal Group, Brite Brazing Cleveland, OH (216) 426-6650 www.htg.cc; Bernard Brazis, SBU Mgr.

H & S Heat Treating, Phil Dennis Enterprises Ltd.+ Port Robinson, ON (905) 384-9355 www.hsheat.com; Tony Valeriote, Gen. Mgr.

HI TecMetal Group, Commercial Induction Cleveland, OH (216) 883-4820 www.htg.cc Terence Profughi, Pres.

Inductoheat Inc., An Inductotherm Group Co.+ Madison Heights, MI (248) 585-9393 www.inductoheat.com

Giltron Inc. Medfield, MA (508) 359-4310 www.giltron.com Goodwin Heat Treating Ltd.+ Edmonton, AB (780) 449-4450 www.goodwinheattreating.com Edward Goodwin, Pres.

Hansen-Balk Steel Treating Co.+ Grand Rapids, MI (616) 458-1414 www.hansenbalk.com Martin A. Balk, Pres. Harchris Heat Treatment (Pty.) Ltd.+ Springs, Gauteng, +27-11-813-2050 www.harchris.co.za; Errol Preston Harvard Metal Treating Inc. Cleveland, OH (216) 271-4424 John H. Zawada, Pres. Hayes Heat Treating+ Cranston, RI (401) 467-5201 www.hayesheattreating.com Stephen Egan, Gen. Mgr.

Industrial Heat Treat Co., Div. of May Foundry & Machine Co.+ Salt Lake City, UT (801) 363-7318 www.industrialheattreat.com or www. mayfoundry.com Danielle May, Mgr.

Hi-Tech Steel Treating Inc.+ Saginaw, MI (800) 835-8294 www.hitechsteel.com Kevin Stone, Sales/Estimator

Industrial Metal Treating Corp.+ Wilmington, DE (302) 656-1677 www.treatmetal.net

High Performance Alloys Inc. Tipton, IN (765) 945-8230 www.hpalloy.com High Performance Heat Treating Inc. Huntington, WV (304) 697-5330 Rick Blevins, Cust. Serv. High Speed Steel Treating Co. Inc. Ontario, CA (909) 902-1045 Hitech Heat Treatment Services Pte. Ltd.+ Jurong, (065) 6 8632530 www.hitech.sg

Industrial Steel Treating Co.+ Jackson, MI (517) 787-6312 www.indstl.com Tim Levy, Pres. Inland NW Metallurgical Services Inc. Spokane Valley, WA (509) 922-7663 www.inlandmet.com Dan Tabish

Holt Brothers (Halifax) Ltd. West Yorkshire, +44 (0)1422 360341 www.holtbros-heat-treatment.co.uk

-International Thermal Systems 4697 W. Greenfild Ave., Milwaukee, WI 53214 (414) 672-7700 Fax: (414) 672-8800 [email protected] www.itsllcusa.com SEE OUR AD ON PAGE 19

The Horsburgh & Scott Co. Cleveland, OH (216) 432-3784 www.horsburgh-scott.com

Intersource USA Inc. East Brunswick, NJ (732) 257-5002 www.intersourceusa.com

-H.T.I. 500 W. Clinton St. Logansport, IN 46947 (574) 722-2814 Fax: (574) 753-8460 [email protected] www.callhti.com Chico Rodriguez, Pres./COO

IQ Technologies Inc., IntensiQuench Akron, OH (330) 773-4850 www.intensiquench.com

Heat-Treating Inc.+ Springfield, OH (937) 325-3121 www.heattreating.com

Hudapack Metal Treating-Franklin+ Franklin, WI (414) 421-5140 www.hudapack.com Todd Namminga, Plant Mgr.

Irwin Automation Inc. Greensburg, PA (724) 834-7160 www.irwinautomation.com

HI TecMetal Group, Nettleton Steel Treating (NST)+ Wickliffe, OH (440) 943-4555 www.htg.cc; Terence Profughi, Pres.

Hudapack Metal Treating Inc.+ Elkhorn, WI (262) 723-3345 www.hudapack.com Greg Huss

Heat Treaters and Engineers, Heat Treatment of Ferrous and Non Ferrous Ahmedabad, Gujarat, ++91-7922870388 www.heattreatersindia.com Nishant Shah, Prod. Mgr. Heat Treating Engineers Inc.+ Milwaukee, WI (414) 258-1484 Sue Serio, Owner Heat Treating Services+ Pontiac, MI (248) 452-2302 www.htsmi.com Brad Hynes, V.P. Oper. Heat Treating Technologies Inc.+ Lima, OH (419) 224-8324 www.httlima.com Rick Deibel, Pres.

Member Metal Treating Institute (MTI)

Ironbound Heat Treating Co., Div. Metal Improvement Co.+ Roselle, NJ (800) 942-3345 Bob Lobell, Div. Mgr.

Istas Izmir Isil Islem San VE Tic. A.S. Izmir, 90 232 8770300 www.istasas.com.tr Aydin Telseren, Gen. Mgr.

IndustrialHeating.com - March 2011 59

Commercial Heat Treaters Directory

-Jasco Heat Treating Inc.+ Fairport, NY (585) 388-1040 www.jascotools.com Rick Carman, Plant Mgr.

Magnum Metal Treating Inc.+ Conroe, TX (936) 856-6607 www.magnummetaltreating.com Charles R. Jaggars, Pres.

JF Heat Treating Inc.+ Gastonia, NC (704) 864-0998 www.jfheattreating.com John Freeman, VP

MAHLER GmbH, Industrial Furnaces Plochingen, +49 7153-9251-0 www.mahlerofen.de Darius Geldner, Managing Dir.

K & D Heat Treat Inc.+ Houston, TX (281) 821-0033 Kirk Musgrove, Oper. Mgr.

McAllister Spring Ltd. Surrey, BC (604) 888-1486 www.macspring.com Ted Parker, Gen. Mgr.

Keighley Laboratories Ltd. Keighley, West Yorkshire +44 (0)1535 664211 www.keighleylabs.co.uk Kentucky Heat Treating Co.+ Winchester, KY (859) 744-9551 www.kyheattreat.com Kowalski Heat Treating+ Cleveland, OH (216) 631-4411 www.khtheat.com Krankka Metallurgical LLC+ New London, MO (573) 985-3140 L&M Heat Treating+ Oakville, ON (905) 849-6441 www.heattreating.ca or www.surfacetech.ca; Larry Barron, Pres. Lawrence Industries Inc. Hastings, NE (402) 463-3158 www.lawrenceindustriesheattreat.com Robert Weidt, Pres. L. E. Sauer Machine Co., Heat Treating Group St. Louis, MO (636) 225-5358 Lone Star Heat Treating Co. Ltd.+ Houston, TX (713) 672-6616 www.lsht.com Dave Magee, Plant Mgr. Longevity Coatings Allentown, PA (610) 871-1427 www.longevitycoatings.com or www.thermalspraycoating.net Lucas-Milhaupt Inc., A Handy & Harman Co. Cudahy, WI (800) 558-3856 www.lucasmilhaupt.com Magnum Induction+ New Baltimore, MI (586) 716-4700 www.magnuminduction.com Tom Pounds, Gen. Mgr.

McLeod & Norquay Co. Ltd. Surrey, BC (604) 590-0956 Bill McCullough, Shop Foreman Med-Tek Inc.+ Minneapolis, MN (612) 789-3527 Metal Improvement Co., World Service Headquarters+ Paramus, NJ (201) 843-7800 www.metalimprovement.com Metal Improvement Co. LLC+ Lafayette, LA (337) 837-9273 www.metalimprovement.com David B. Winder, Div. Mgr. Metal Improvement Co. LLC, Div. of Curtiss Wright Corp. Columbus, OH (614) 444-1181 Dave Hollingsworth Metal Improvement Co., MICAN Brampton, ON (905) 791-8002 www.metalimprovement.com Sheamus Doherty, Tech. Serv. Mgr. Metal Improvement Company+ Wichita, KS (316) 267-0239 www.metalimprovement.com Alan Walcher, Div. Mgr. Metal Improvement Company, York Div.+ Emigsville, PA (717) 767-6757 Bob Brasch, York Div. Mgr. Metal Improvement Company LLC, EF Quality Heat Treating Co. Salem, OH (330) 337-7671 www.metalimprovement.com Bill Sutter, Div. Mgr. Metal Treating & Research Co.+ Denver, CO (303) 286-9338 www.metal-treating.com Lynx Coin, Gen. Mgr.

Metallurgical Enterprises Rossville, GA (706) 861-2064 Metallurgical Processing, Div. of Metal Improvement Co. LLC Fort Wayne, IN (260) 423-1691 Heidi Speelman, Sales Mgr. Metallurgical Processing Co. Warren, MI (586) 758-3100 www.metallurgicalprocessing.com -Metallurgical Processing Inc. (CT)+ New Britain, CT (860) 224-2648 www.mpimetaltreating.com Kris Lang, Sales Mgr. Metallurgical Solutions Inc. Providence, RI (401) 941-2100 www.met-sol.com; Gregory Dexter, V.P. Metals Engineering+ Green Bay, WI (920) 437-7686 www.metalsengineering.net Ted Kemen, Pres. Metals Technology Corp.+ Carol Stream, IL (630) 221-2500 www.metalstechnology.com Metals-India+ Ballabgarh Faridabad, Haryana, +919810029116 www.metalsindia.com Ankit Gupta, Dir.

Missouri Heat Treat, A Div. of Unitherm Furnace Corp.+ Wentzville, MO (636) 327-5234 www.unithermfurnace.com Frank Lim, Pres. Modern Heat Treating & Forging Inc.+ Buffalo, NY (716) 884-2176 www.modernheattreat.com Scott Feind, Controller Modern Industries Inc. Stanley, NY (585) 259-3983 Modern Industries Inc.+ Erie, PA (814) 455-8061 x209 www.modernind.com Dennis Sweny, Co-Pres. Modern Metal Processing Inc.+ Williamston, MI (517) 655-4402 www.modernmetalprocessing.com Ed Wesolek, V.P./Owner Morgan Ohare Inc.+ Addison, IL (630) 543-6780 www.morganohare.com Joan Sosinski MPT America Corp.+ Valencia, CA (661) 257-1933 www.plasma-nitride.com MT Heat Treating Inc. Mentor, OH (440) 255-3211

Metcor Inc. St. Eustache, QC (450) 473-1884 www.metcor.biz

The Mushield Co. Inc. Manchester, NH (888) 669-3539 www.mushield.com; David Grilli, Pres.

Metex Heat Treating Ltd.+ Brampton, ON (905) 453-9700 www.metexht.com

National Metal Processing Inc.+ Richmond, KY (859) 623-9291 www.nmpheattreat.com Norman S. Graves, Pres.

Metlab+ Wyndmoor, PA (215) 233-2600 www.metlabheattreat.com Michigan Wire Processing Lowell, MI (616) 897-6080 Jim Herb, Sales/Mktg. Mgr. Mid South Metallurgical+ Murfreesboro, TN (615) 896-6212 www.midsouthmetallurgical.com Midwest Metal Products Inc. Winona, MN (507) 452-7231 www.midwestmetalproducts.com Howard Lambert, Partner/Pres. Midwest Thermal-Vac Inc.+ Kenosha, WI (262) 605-4848 www.mtvac.com; Frederick Otto, Pres.

Neptech Inc. Highland, MI (810) 225-2222 www.neptechinc.com or www. neptechinc.com/products Nevada Heat Treating Inc.+ Carson City, NV (775) 246-1040 www.nevadaheattreating.com Patrick McKenna, V.P. Nitrex Inc., Indiana Operations+ Franklin, IN (317) 346-7700 www.nitrex.com; Erik Bates, Bus. Dev. Mgr. Nitrex Inc., Nevada Operations+ North Las Vegas, NV (702) 399-1554 www.nitrex.com Dennis Wang, Cust. Serv. Mgr.

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60 March 2011 - IndustrialHeating.com

-View Product spec sheets for these companies at www.industrialheating.com/commercialheattreat

Commercial Heat Treaters Directory

Nitrex Inc., West Coast Operations+ San Jose, CA (408) 275-0330 www.nitrex.com; John Barney, Bus. Dev. Mgr.

Palmdale Heat Treating Inc. Palmdale, CA (661) 274-8604 Vince Battaglia

Nitrex Inc., Chicago Operations+ Aurora, IL (630) 851-5880 www.nitrex.com; Tom Cooper, Gen. Mgr.

Paulo Products Company+ Kansas City, MO (816) 861-7500 www.paulo.com Doug Manning, Div. Sales Mgr.

Nitrex Inc., Michigan Operations+ Mason, MI (517) 676-6370 www.nitrex.com; Raja Gumber Nitrex Metal Inc. Montreal, QC (877) 335-7191 www.nitrex.com -Nitrex Metal Technologies Inc. + 4211 Mainway Burlington, ON L7L 5N9 CANADA (905) 319-9258 (888) 725-8293 Fax: (905) 319-9260 [email protected] or [email protected] www.nitrexmetaltech.com Stefan Stiegler, Tech. Sales Mgr. Nitro-Vac Heat Treat Inc.+ Warren, MI (586) 754-4350 Felix A. Stomber, Pres. North Road Technologies Westport, CT (888) 316-2057 www.northrdt.com Northland Heat Treating Inc.+ Antigo, WI (715) 623-4838 Dan Miller, Pres. Ohio Metallurgical Service Elyria, OH (440) 365-4104 www.ohiomet.com John Gaydosh, V.P. Omega Metal Treating Inc.+ Depere, WI (920) 339-8590 www.omegametal.com Paul Janowsk, Pres. Owego Heat Treat Inc.+ Apalachin, NY (607) 687-2091 www.owegoheattreat.com Glenn Hopler, Sales Engr.

Paulo Products Company+ Nashville, TN (615) 228-2526 www.paulo.com Mike Harper, Sales Engr.

P&L Heat Treating & Grinding Inc.+ Youngstown, OH (330) 746-1339 www.plheattreatinggrinding.com William H. Pociask, Pres. Plymouth Brazing Inc. Plymouth, MI (734) 453-6274 www.plymouthbrazinginc.com Mike Miles, QC Mgr.

Precision Heat Treating Corp.+ Jackson, MS (601) 355-4208 www.precisionheattreating.biz Alfred T. Bogen, III, Owner/Pres.

Paulo Products Company+ St. Louis, MO (314) 647-7500 www.paulo.com Gene Margherita, Div. Sales Mgr.

Precision Thermal Processing+ Clintonville, WI (715) 823-8650 Roger Lupien, Gen. Mgr.

Penna-Flame Industries+ Zelienople, PA (724) 452-8750 www.pennaflame.com James P. Orr, Pres. Peters’ Heat Treating Inc.+ McKean, PA (814) 476-1880 www.petersheattreat.com Douglas Peters Peters’ Heat Treating Inc.+ Meadville, PA (814) 333-1782 www.petersheattreat.com -Phoenix Heat Treating Inc. + 2405 W. Mohave St., Phoenix, AZ 85009-6413 (602) 258-7751 Fax: (602) 258-7767 [email protected] www.phoenix-heat-treating.com Peter J. Hushek, Pres. Pillar Induction Sterling Heights, MI (586) 254-8470 www.pillar.com Andy Perzanowski, Oper. Mgr.

P-Ker Engineering Waterport, NY (716) 845-6398 www.pkerengineering.com

Pinson Valley Heat Treating, ISO 9001-2008+ Pinson, AL (205) 681-8595 www.pvht.com Don Hendry, Pres.

Pacific Metallurgical+ Kent, WA (253) 854-4241 www.pacmet.com Derek Fallen, V.P.

Pittsburgh Metal Processing Co. Pittsburgh, PA (412) 781-8053 www.pmpco.com Jeffrey Litzinger, Metallurgist/Sales Mgr.

Rex Heat Treat - Bedford Inc. Bedford, PA (814) 623-1701 www.rexht.com Richter Precision Inc.+ East Petersburg, PA (717) 560-9990 www.richterprecision.com

Precision Heat Treating Corp. Fort Wayne, IN (260) 749-5125 www.phtc.net

Paulo Products Company Murfreesboro, TN (615) 896-1385 www.paulo.com Jerry Jenkins, Div. Sales Mgr.

Rex Heat Treat - Alabama Inc. Anniston, AL (256) 835-3370 www.rexht.com

Robert Wooler Co.+ Dresher, PA (215) 542-7600 www.robertwooler.com Rochester Steel Treating Works Inc.+ Rochester, NY (585) 546-3348 www.rstwinc.com Keith E. Heiden, Tech. Dir. Rock Industries Inc. Rock Valley, IA (712) 476-5057 www.rockmachining.com Gene Statema, Mgr.

Prox Co. Inc. Terre Haute, IN (812) 232-4324 Q-Tech Heat Treat LLC Dallas, TX (214) 630-8262 Johnny L. Fussell, CEO

Rockford Heat Treaters Inc. Rockford, IL (815) 874-0089 www.rockfordheattreaters.com or www. rockfordheattreaters.net Tom Deutsch, V.P.

Quality Heat Treating Inc.+ Burbank, CA (323) 849-6604 www.qualityht.com Bob Akin, Gen. Mgr. Quality Thermal Technologies Inc. Roseville, MN (651) 639-1129 www.qualthermtech.com Qualtek Manufacturing Inc. Colorado Springs, CO (877) 598-3394 Steve Bailey, Heat Treat Mgr. Queen City Steel Treating, FBF dba+ Cincinnati, OH (513) 541-6300 www.qcst.com R & R Heat Treating Inc. E. Stroudsburg, PA (570) 424-8750 David P. Daniels, V.P.

Rode Welding Service Inc. Elk Grove Village, IL (847) 439-0910 www.rodewelding.com Rogers Metal Services Inc. Skokie, IL (847) 679-4642 www.rogersmetal.com Jon Zimmerman, Pres. Scarrott Metallurgical Co.+ Los Angeles, CA (310) 645-7300 www.scarrott.com David C. Scarrott, Pres.

Ravi Metal Treatment Rajkot, Gujarat, 91-28-12384751 www.ravimetal.com

Schmolz + Bickenbach, Heat Treatment Saint Charles, IL (630) 682-3900 www.schmolz-bickenbach.us Eric Nordin, Sales Rep.

Refrac Systems Chandler, AZ (800) 473-3722 www.refrac.com Norman Hubele, Pres.

Scientific Metal Treating+ Roselle, IL (630) 582-0071 www.scientificmetaltreating.com Kevin L. Haraldson, Pres.

Rex Heat Treat Lansdale, PA (215) 855-1131 www.rexht.com Chris Consatable, Sales Mgr.

Seattle Heat Treaters, dba Stober & Chiaro Seattle, WA (206) 763-2744 Jeff Stober, V.P.

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IndustrialHeating.com - March 2011 61

Commercial Heat Treaters Directory

Service Heat Treating Inc.+ Milwaukee, WI (414) 355-1020 www.serviceht.com; Paul Armitage, Pres. Shanafelt Mfg. Canton, OH (330) 455-0315 www.shanafelt.com Solar Atmospheres Inc.+ Souderton, PA (215) 721-1502 www.solaratm.com Solar Atmospheres of Western PA+ Hermitage, PA (724) 982-0660 www.solaratm.com The Sousa Corp.+ West Hartford, CT (860) 523-9090 www.sousacorp.com Southwest Heat Treat Services LLC Houston, TX (281) 442-6694 www.swheattreat.com Tim Mansur, Plant Mgr. Southwest Specialty Heat Treat+ Wytheville, VA (276) 228-7739 www.swhtva.com Specialty Alloy Processing Co. Inc. Murrysville, PA (724) 339-0464 Specialty Heat Treat Inc.+ Houston, TX (713) 937-3101 www.specialtyheattreat.com Sam Moore, Gen. Mgr. Specialty Heat Treating Inc. Grand Rapids, MI (616) 245-0465 www.specialtyheat.com Sara McMurray, Sales Mgr. Specialty Heat Treating Inc. Elkhart, IN (574) 295-2491 www.specialtyheat.com Sara McMurray, Sales Mgr. Specialty Heat Treating Inc.+ Holland, MI (616) 399-6880 www.specialtyheat.com Sara McMurray, Sales Mgr. Specialty Steel Treating Inc.+ Fraser, MI (586) 293-5355 www.specialtysteeltreating.com or www. sstfraser.com Mark Sosnowski, V.P. Specialty Steel Treating Inc.+ Farmington Hills, MI (248) 478-5900 Scott Verhelle, Exec. VP Specialty Steel Treating Inc.+ East Granby, CT (860) 653-0061

Stelter & Brinck Ltd., Process Heat Equip. Mfg./Combustion Services Harrison, OH (513) 367-9300 www.stelterbrinck.com or www.stelterbrinck.wordpress.com Stokes Steel Treating Company+ Flint, MI (810) 235-3573 Robb Stokes, Pres. Sturm Steel Treating Inc.+ Indianapolis, IN (317) 357-2368 Eric E. Ambler, Pres. Sun Steel Treating Inc. South Lyon, MI (877) 471-0840 www.sunsteeltreating.com Superior Metal Treating & Equipment Inc.+ Kansas City, MO (816) 924-1966 www.smteinc.com Syracuse Heat Treating Corp.+ Syracuse, NY (315) 451-0000 www.syracuseheattreating.com George Stupp,, VP/GM Tamworth Heat Treatment Ltd. Staffordshire, +44 (0)1827 318030 www.tamworth-heat.co.uk

Thermal-Vac Technology Inc.+ Orange, CA (714) 997-2601 www.thermal-vac.com Steve D. Driscol, Pres. Thermet Inc.+ Waukesha, WI (262) 544-9800 www.thermet.com; Paul G. Mikna, Pres. THERMETCO Inc. Montreal, QC (514) 934-4684 www.thermetco.com Xavier Kauza, Sales Mgr. Thermex Metal Treating Ltd. Edmonton, AB (780) 440-4373 www.thermexmetal.com Norm Hanson, Pres. Thermo-Bond Flame Induction Hardening Inc. Mississauga, ON (905) 625-6164 www.thermobondflame.com Nelson Bilyk, Office Mgr. Thermo-Fusion Inc.+ Hayward, CA (510) 782-7755 www.thermo-fusion.com Dave Buttner, Pres.

Taylor-Winfield Technologies Inc. Youngstown, OH (330) 448-4464 www.taylor-winfield.com

Tratamientos Termicos Nitrogas S.A.+ Buenos Aires, 011-54-114-441-5719 www.nitrogas.com.ar Oscar Ricardo Granero, Pres.

TEAM Industrial Services Inc. Sarnia, ON (519) 344-4041 www.teamindustrialservices.com

Tratar S.A. Medellin, 57-4-2658382 www.tratar.com.co

Techniques Surfaces do Brasil Ltda Diadema - SP CEP, (55 11) 4056-4433 www.tsdobrasil.srv.br Eros de Araujo Neto, Commercial Mgr.

Treat All Metals+ Milwaukee, WI (414) 962-2500 www.treatallmetals.com

Tecvac Ltd. Cambridge, +44 (0)1954 233700 www.tecvac.com

Tri-J Metal Heat Treating Co. Pomona, CA (909) 622-9999 www.trijonline.com Yusheng Shew, Pres.

Temperature Processing Company Inc.+ Longmont, CO (303) 772-0250 www.tpcolorado.com Eric Engelhard, V.P. Texas Heat Treating Inc.+ Round Rock, TX (800) 580-5884 www.texasheattreating.com Buster Crossley, Pres. Texas Steel Conversion Houston, TX (713) 733-6013 Alfred Cox, V.P. Quality

Spectrum Heat Treat+ Benicia, CA (707) 747-5642

Therm-Tech of Waukesha+ Waukesha, WI (262) 549-1878 www.thermtech.net Jason Kupkovits, Sales Mgr.

Stack Metallurgical Services Inc.+ Portland, OR (503) 285-7703 www.stackmet.com Nels Plough, Pres.

Morgan Thermal Ceramics Augusta, GA (706) 796-4200 www.morganthermalceramics.com

Steel Processing Company LLC Warren, MI (586) 772-3310 steelprocessing.us John Young, Gen. Mgr.

Thermal Metal Treating Inc.+ Aberdeen, NC (910) 944-3636 www.thermalmetal.com Jerry Ritter, Pres.

Steel Treaters Inc., Mohawk Valley Div.+ Oriskany, NY (315) 736-3081 www.steeltreaters.com Dave Stopera, Site Mgr.

Thermal One Inc. Westland, MI (734) 721-8500 Thermal Specialties+ Tulsa, OK (918) 227-4800 Chris Lorenz

62 March 2011 - IndustrialHeating.com

Trojan Heat Treat Inc., Heat Treat Services Corp. of America+ Homer, MI (517) 568-4403 www.trojanheattreat.com Ron DiSalvio, Pres.

Vac-Met Inc.+ Warren, MI (586) 264-8100 www.vac-met.com Vac-Aero International Inc.+ St. Laurent, QC (514) 334-4240 www.vacaero.com Vacuum Process Engineering Sacramento, CA (916) 925-6100 www.vpei.com Valley Metal Treating Inc.+ Pomona, CA (909) 623-6316 Wall Colmonoy Aerobraze Cincinnati+ Cincinnati, OH (513) 772-1461 www.wallcolmonoy.com or www.wallcolmonoy.com/ locations/cinci.html Wall Colmonoy Corp.+ Madison Heights, MI (248) 585-6400 www.wallcolmonoy.com or www.wallcolmonoy.com/process/ brazing.html Weiss Industries Inc., Heat Treating Div.+ Mansfield, OH (419) 525-2291 www.weissind.com Rudy M. Weiss, Pres. Winston Heat Treating Inc.+ Dayton, OH (937) 226-0110 www.winstonht.com John L. Reger, Pres. Woodworth Inc. Detroit, MI (313) 891-1440 www.woodworthheattreating.com Wyatt Services Inc. Sterling Heights, MI (586) 264-8000 www.wyattservices.net Debbie Andrews, Office Mgr. Z-Machine Inc. Ocheyedan, IA (712) 758-3720

Trutec Industries, MMi-Trutec Inc. Sevierville, TN (800) 255-9186 www.mmi-trutec.com or www.trutecind. com

Zion Industries Inc.+ Hildebran, NC (828) 397-2701 www.zioninduction.com

TTI Group Ltd. Blackburn, +44 1254 264901 www.ttigroup.org.uk

Zion Industries Inc.+ Grand Ledge, MI (517) 622-3409 www.zioninduction.com John Bode, Sales

TTI Group Ltd., Group Head Office Bedfordshire, +44 (0)1582 488644 www.ttigroup.co.uk University of Ljubljana, Faculty of Mechanical Engineering Ljubljana, +386 1 477 12 03 Prof. Dr. Janez Grum, Prof. Dr. U.S. Heat Treaters Inc., A Div. of Modern Industries Inc. Kersey, PA (814) 885-8514 www.modernind.com Jason Ryan, Oper. Mgr. Vac Aero International Inc.+ Oakville, ON (905) 827-4171 www.vacaero.com Bill Potts, Sales/Cust. Serv. Mgr.

Zion Industries Inc.+ Valley City, OH (330) 483-4650 www.zioninduction.com John Bode, Sales

The contents of this directory are intended for the use of individuals and/or companies looking to purchase commercial heat-treating services. Use of this directory for sales solicitations of any type (phone, fax, mail, e-mail) is prohibited unless expressly approved by the publisher.

-View Product spec sheets for these companies at www.industrialheating.com/commercialheattreat

Are you a leader in the industry? Build your business and your career for today, and for tomorrow. You can’t afford to miss the 26th ASM Heat Treating Society Conference and Exposition – Heat Treat 2011. The ASM Heat Treating Society and the American Gear Manufacturers Association once again partner to create an exciting mix of education, technology, networking and exposition opportunities.

Is your company a leader in the heat treating industry?

October 31-November 2, 2011 Duke Energy Convention Center Cincinnati, Ohio

The prime location, a great partnership in co-location, and the fact that the manufacturing sector is getting stronger and capital purchases are on the rise make Heat Treat a winner for you in 2011.

Join innovators, influencers and decision makers in the heat treating industry from around the world to discuss main technical areas of interest and gather for two new features – the special Bill Jones Honorary Symposium in celebration of his many years of equipment and process development and successful implementation in vacuum heat treatment, and the Emerging Technologies Symposium featuring theory and practical applications and technology trends/stateof-the-industry.

Custom exhibit, sponsorship and advertising packages are available.

Be sure to plan to attend and support this global event.

Prime exhibit space is selling quickly so now’s the time to reserve your space and lock in your booth

Visit www.asminternational.org/heattreat for the latest conference and exposition information.

We’re your partner for connecting you to highlyqualified attendees and delivering you access to buyers and decision makers in the heat treat industry.

location. Contact Kelly Thomas, National Account Manager at [email protected] or 440.338.1733. Sponsored by:

Media Sponsor:

Advanced Heat Treat Corp., Cullman Ajax TOCCO Magnethermic, Boaz - see our ad on page 9 Bluewater Thermal Solutions, Athens CMC Impact Metals, Pell City Pinson Valley Heat Treating, Pinson Rex Heat Treat - Alabama Inc., Anniston Coleman Heat Treating, Jacksonville Controlled Thermal Technology, Phoenix Desert Fire Industries Inc., Phoenix Phoenix Heat Treating Inc., Phoenix Refrac Systems, Chandler Aremac Heat Treating LLC, City of Industry Bodycote, Westminster Bodycote, Santa Fe Springs Bodycote, Santa Fe Springs Bodycote, Los Angeles Bodycote, Rancho Dominguez Bodycote, Huntington Park Bodycote, Fremont Burbank Steel Treating Inc., Burbank Byington Steel Treating Inc., Santa Clara California Brazing, Newark California Surface Hardening Inc., Compton Certified Metal Craft Inc., El Cajon City Steel Heat Treating Inc., Santa Fe Springs Continental Heat Treating, Santa Fe Springs Cook Induction Heating Co., Maywood Edwards Heat Treating Service, San Leandro Galaxy Brazing Co. Inc., Santa Fe Springs Garner Heat Treat Inc., Oakland High Speed Steel Treating Co. Inc., Ontario MPT America Corp., Valencia Nitrex Inc., San Jose Palmdale Heat Treating Inc., Palmdale Quality Heat Treating Inc., Burbank Scarrott Metallurgical Co., Los Angeles Spectrum Heat Treat, Benicia Thermal-Vac Technology Inc., Orange Thermo-Fusion Inc., Hayward Tri-J Metal Heat Treating Co., Pomona Vacuum Process Engineering, Sacramento Valley Metal Treating Inc., Pomona Metal Treating & Research Co., Denver Qualtek Manufacturing Inc., Colorado Springs Temperature Processing Company Inc., Longmont Allread Products, Terryville American Heat Treating Inc., Monroe Anderson Specialty Co., W. Hartford Bee Hive Heat Treating Service Inc., South Norwalk Bodycote, S. Windsor Bodycote, Berlin Bodycote, Suffield Flame Treating & Engineering Co., West Hartford Metallurgical Processing Inc. (CT), New Britain

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66 March 2011 - IndustrialHeating.com

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CT CT CT DE FL FL FL FL GA GA GA GA IA IA IA IA IA IL IL IL IL IL IL IL IL IL IL IL IL IL IL IL IL IL IL IL IL IL IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN KS KY KY LA MA MA MA MA MD MI MI MI MI MI MI

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North Road Technologies, Westport The Sousa Corp., West Hartford Specialty Steel Treating Inc., East Granby Industrial Metal Treating Corp., Wilmington Braddock Metallurgical Aerospace Services, Boynton Beach Braddock Metallurgical - Daytona, Daytona Beach Braddock Metallurgical - Jacksonville, Jacksonville Braddock Metallurgical - Tampa, Riverview Bluewater Thermal Solutions, Conyers Braddock Metallurgical - GA, Atlanta Metallurgical Enterprises, Rossville Morgan Thermal Ceramics, Augusta Advanced Heat Treat Corp., Waterloo Advanced Heat Treat Corp., Waterloo Donohoo Steel Treating Co., Bettendorf Rock Industries Inc., Rock Valley Z-Machine Inc., Ocheyedan Beechner Heat Treating Co. Inc., Rockford Bluewater Thermal Solutions, Northlake Bluewater Thermal Solutions, Rockford Bluewater Thermal Solutions, Melrose Park Bluewater Thermal Solutions , Northlake Bodycote, Melrose Park Certified Heat Treating Co., Peoria Chicago Induction Metal Treating, Chicago FPM Heat Treating, Elk Grove Village FPM/Ipsen Heat Treating, Cherry Valley General Surface Hardening Inc., Chicago Hudapack Metal Treating of Illinois Inc., Glendale Heights Induction Heat Treating Corp., Crystal Lake Metals Technology Corp., Carol Stream Morgan Ohare Inc., Addison Nitrex Inc., Aurora Rockford Heat Treaters Inc., Rockford Rode Welding Service Inc., Elk Grove Village Rogers Metal Services Inc., Skokie Schmolz + Bickenbach , Saint Charles Scientific Metal Treating, Roselle Applied Thermal Technologies Inc., Warsaw Bluewater Thermal Solutions, Greensburg Bluewater Thermal Solutions, South Bend Bodycote, Indianapolis Calumet Surface Hardening Co. Inc., Hammond Chicago Flame Hardening Co., East Chicago Dependable Metal Treating Inc., Kendalville Exotic Metal Treating Inc., Indianapolis Gerdau MACSTEEL Atmosphere Annealing, North Vernon High Performance Alloys Inc., Tipton H.T.I., Logansport Metallurgical Processing, Fort Wayne Nitrex Inc., Franklin Precision Heat Treating Corp., Fort Wayne ProX Co. Inc., Terre Haute Specialty Heat Treating Inc., Elkhart Sturm Steel Treating Inc., Indianapolis Metal Improvement Company, Wichita Kentucky Heat Treating Co., Winchester National Metal Processing Inc., Richmond Metal Improvement Co. LLC, Lafayette Bodycote, Worcester Bodycote, Ipswich County Heat Treat, Millbury Giltron Inc., Medfield Baltimore Heat-Treat Corp., Baltimore A & S Silver Brazing Inc., Warren Advanced Heat Treat Corp., Monroe Ajax TOCCO Magnethermic Corp., Madison Heights - see our ad on pg. 9 ALD Thermal Treatment Inc., Port Huron - see our ad on page 33 Alloy Steel Treating Co. Inc., Gobles American Metal Processing Co., Warren

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Anderson Brazing Co. Inc., Madison Heights AP Southridge Inc., Livonia Applied Process Inc., Livonia Atmosphere Heat Treating, Wixom Bell Induction Heating Inc., Belleville Bluewater Thermal Solutions, Coldwater Bluewater Thermal Solutions, Benton Harbor Bluewater Thermal Solutions, Saginaw Bodycote, Canton Bodycote, Livonia Century Sun Metal Treating, Traverse City Commercial Steel Treating Corp., Madison Heights Custom Heat Treat Inc., Kingsford Detroit Steel Treating Co., Pontiac Dynamic Surface Technologies, Canton East-Lind Heat Treat Inc., Madison Heights EFD Induction Inc., Madison Heights Electroheat Technologies LLC, Almont Eltro Services Inc., Oxford Engineered Heat Treat Inc., Madison Heights Enterprise Equipment Co. Inc., Detroit Fire Kote Steel Treating, Wyoming Gerdau MACSTEEL Atmosphere Annealing, Lansing Gerdau MACSTEEL Atmosphere Annealing, Lansing Hansen-Balk Steel Treating Co., Grand Rapids Heat Treating Services, Pontiac Hi-Tech Steel Treating Inc., Saginaw Hy-Vac Technologies Inc., Detroit Induction Services Inc., Warren Inductoheat Inc., Madison Heights Industrial Steel Treating Co., Jackson Magnum Induction, New Baltimore Metallurgical Processing Co., Warren Michigan Wire Processing, Lowell Modern Metal Processing Inc., Williamston Neptech Inc., Highland Nitrex Inc., Mason Nitro-Vac Heat Treat Inc., Warren Pillar Induction, Sterling Heights Plymouth Brazing Inc., Plymouth Specialty Heat Treating Inc., Holland Specialty Heat Treating Inc., Grand Rapids Specialty Steel Treating Inc., Fraser Specialty Steel Treating Inc., Farmington Hills Steel Processing Company LLC, Warren Stokes Steel Treating Company, Flint Sun Steel Treating Inc., South Lyon Thermal One Inc., Westland Trojan Heat Treat Inc., Homer Vac-Met Inc., Warren Wall Colmonoy Corp., Madison Heights Woodworth Inc., Detroit Wyatt Services Inc., Sterling Heights Zion Industries Inc., Grand Ledge Arrow Tank & Engineering Co., Cambridge Bodycote, Eden Prairie Flame Metals Processing Corp., Rogers Flame Metals, Roger’s Plant, Rogers Med-Tek Inc., Minneapolis Midwest Metal Products Inc., Winona Quality Thermal Technologies Inc., Roseville Krankka Metallurgical LLC, New London L. E. Sauer Machine Co. , St. Louis Missouri Heat Treat , Wentzville Paulo Products Company, Kansas City Paulo Products Company, St. Louis Superior Metal Treating & Equipment Inc., Kansas City Precision Heat Treating Corp., Jackson American Metal Treating Inc., High Point Bluewater Thermal Solutions, Reidsville

68 March 2011 - IndustrialHeating.com

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IndustrialHeating.com - March 2011 69

East Carolina Metal Treating Inc., Raleigh JF Heat Treating Inc., Gastonia Thermal Metal Treating Inc., Aberdeen Zion Industries Inc., Hildebran Great Plains Metallurgical Co. Inc., Omaha Lawrence Industries Inc., Hastings Accurate Brazing Co., Goffstown Bodycote, Laconia The Mushield Co. Inc., Manchester Bennett Heat Treating & Brazing Co., Newark Braddock Metallurgical - NJ, Bridgewater Delphi Engineering & Contracting Inc., Sewell Intersource USA Inc., East Brunswick Ironbound Heat Treating Co., Roselle Metal Improvement Co., Paramus Nevada Heat Treating Inc., Carson City Nitrex Inc., North Las Vegas AirSep Corporation, Buffalo Bodycote, Rochester Elmira Heat Treating Inc., Elmira Jasco Heat Treating Inc., Fairport Modern Heat Treating & Forging Inc., Buffalo Modern Industries Inc., Stanley Owego Heat Treat Inc., Apalachin P-Ker Engineering, Waterport Rochester Steel Treating Works Inc., Rochester Steel Treaters Inc., Oriskany Syracuse Heat Treating Corp., Syracuse Ajax TOCCO Magnethermic Corporation, Wickliffe - ad on pg. 9 Ajax TOCCO Magnethermic Corporation, Warren - ad on pg. 9 Akron Steel Treating Co., Akron All Foils Inc., Strongsville American Brazing, Willoughby American Metal Treating Co., Cleveland American Steel Treating, Perrysburg B O S Services Co., Willoughby Bodycote, London Bodycote, Cincinnati Bodycote, Cleveland Brazing Service Inc., Westlake Brite Metal Treating Inc., Maple Hts. Byron Products Inc., Fairfield Cincinnati Flame Hardening Co., Fairfield Cincinnati Steel Treating Co., Cincinnati CryoPlus Inc., Wooster Dayton Forging & Heat Treating, Dayton Derrick Co. Inc., Cincinnati Euclid Heat Treating Co., Euclid Franklin Brazing & Metal Treating Inc., Lebanon General Metal Heat Treating Inc., Cleveland Gerdau MACSTEEL Atmosphere Annealing, Canton Harvard Metal Treating Inc., Cleveland Heat Treating Technologies Inc., Lima Heat-Treating Inc., Springfield HI TecMetal Group, Wickliffe HI TecMetal Group, Cleveland HI TecMetal Group, Eastlake HI TecMetal Group (HTG.), Cleveland HI TecMetal Group, Nitrotec, Wickliffe HI TecMetal Group, Thermal Treatment Center, Wickliffe HI TecMetal Group, Walker, Cleveland HI TecMetal Group, Brite Brazing, Cleveland HI TecMetal Group, Commercial Induction, Cleveland The Horsburgh & Scott Co., Cleveland IQ Technologies Inc., Akron Kowalski Heat Treating, Cleveland Metal Improvement Co. LLC, Columbus Metal Improvement Company LLC, Salem MT Heat Treating Inc., Mentor Ohio Metallurgical Service, Elyria

70 March 2011 - IndustrialHeating.com

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72 March 2011 - IndustrialHeating.com

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P&L Heat Treating & Grinding Inc., Youngstown Queen City Steel Treating, FBF dba, Cincinnati Shanafelt Mfg., Canton Stelter & Brinck Ltd., Harrison Taylor-Winfield Technologies Inc., Youngstown Wall Colmonoy Aerobraze Cincinnati, Cincinnati Weiss Industries Inc., Mansfield Winston Heat Treating Inc., Dayton Zion Industries Inc., Valley City Bodycote, Tulsa Bodycote, Tulsa Bodycote, Oklahoma City Thermal Specialties, Tulsa Stack Metallurgical Services Inc., Portland Advanced Heat Treating Inc., Saint Marys Bennett Heat Treating & Brazing Co., Ivyland Bluewater Thermal Solutions, St. Marys BVHT Inc., Monaca Donovan Heat Treating Co. Inc., Philadelphia Evans Heat Treating, Huntingdon Valley Irwin Automation Inc., Greensburg Longevity Coatings, Allentown Metal Improvement Company, Emigsville Metlab, Wyndmoor Modern Industries Inc., Erie Penna-Flame Industries, Zelienople Peters’ Heat Treating Inc., McKean Peters’ Heat Treating Inc., Meadville Pittsburgh Metal Processing Co., Pittsburgh R & R Heat Treating Inc., E. Stroudsburg Rex Heat Treat, Lansdale Rex Heat Treat - Bedford Inc., Bedford Richter Precision Inc., East Petersburg Robert Wooler Co., Dresher Solar Atmospheres Inc., Souderton Solar Atmospheres of Western PA, Hermitage Specialty Alloy Processing Co. Inc., Murrysville U.S. Heat Treaters Inc., Kersey Solar Atmospheres Inc., Hermitage Hayes Heat Treating, Cranston Metallurgical Solutions Inc., Providence Bluewater Thermal Solutions, Fountain Inn Bluewater Thermal Solutions, Greenville IMT York LLC, York Bluewater Thermal Solutions, Morristown Coleman Commercial Heat Treating Inc., Memphis Mid South Metallurgical, Murfreesboro Paulo Products Company, Nashville Paulo Products Company, Murfreesboro Trutec Industries, Sevierville Bodycote, Fort Worth Bodycote, Houston Flame Metallurgical Inc., Houston K & D Heat Treat Inc., Houston Lone Star Heat Treating Co. Ltd., Houston Magnum Metal Treating Inc., Conroe Q-Tech Heat Treat LLC, Dallas Southwest Heat Treat Services LLC, Houston Specialty Heat Treat Inc., Houston Texas Heat Treating Inc., Round Rock Texas Steel Conversion, Houston Blanchard Metal Processing, Salt Lake City Industrial Heat Treat Co., Salt Lake City Electronic Development Labs Inc., Danville Southwest Specialty Heat Treat, Wytheville Bodycote, Camas Cascade Metallurgical Inc., Kent Inland NW Metallurgical Services Inc., Spokane Valley Pacific Metallurgical, Kent Seattle Heat Treaters, Seattle

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IndustrialHeating.com - March 2011 73

1 Westshore Inc., Oshkosh AP WI 2 Bodycote, New Berlin WI 3 Bodycote, Sturtevant WI 4 Fox Valley Heat Treat Inc., Oshkosh WI 5 FPM Heat Treating, Milwaukee WI 6 Heat Treating Engineers Inc., Milwaukee WI 7 Hudapack Metal Treating-Franklin, Franklin WI 8 Hudapack Metal Treating Inc., Elkhorn WI 9 Hydro-Thermal Corporation, Waukesha WI 10 11 International Thermal Systems, Milwaukee - see our ad on page 19 WI 12 Lucas-Milhaupt Inc., Cudahy WI 13 Metals Engineering, Green Bay WI 14 Midwest Thermal-Vac Inc., Kenosha WI 15 Northland Heat Treating Inc., Antigo WI 16 Omega Metal Treating Inc., Depere WI 17 Precision Thermal Processing, Clintonville WI 18 Service Heat Treating Inc., Milwaukee WI 19 Therm-Tech of Waukesha, Waukesha WI 20 21 Thermet Inc., Waukesha WI 22 Treat All Metals, Milwaukee WI 23 High Performance Heat Treating Inc., Huntington WV 24 Goodwin Heat Treating Ltd., Edmonton CANADA 25 Thermex Metal Treating Ltd., Edmonton CANADA 26 McAllister Spring Ltd., Surrey CANADA 27 McLeod & Norquay Co. Ltd., Surrey CANADA 28 A & M Heat Treating Ltd., Mississauga CANADA 29 A & M SurfTech Ltd., Mississauga CANADA 30 31 Aberfoyle Metal Treaters Ltd., Guelph CANADA 32 Advanced Heat Treating Solutions, Mississauga CANADA 33 Ajax TOCCO Magnethermic Corp., Ajax - see our ad on pg. 9 34 All-Source Heat Treating Inc., St. Catharines 35 Allied Heat Treat Ltd., Mississauga 36 Bluewater Thermal Solutions, Kitchener 37 Bodycote, Newmarket 38 Bodycote, Kitchener 39 Bohler-Uddeholm Thermo-Tech, Mississauga 40 41 Cambridge Heat Treating, Cambridge 42 Exactatherm Ltd., Mississauga 43 Fused Metals Inc., Georgetown 44 H & S Heat Treating, Port Robinson 45 L&M Heat Treating, Oakville 46 Metal Improvement Co., MICAN, Brampton 47 Metex Heat Treating Ltd., Brampton 48 Nitrex Metal Technologies Inc., Burlington 49 TEAM Industrial Services Inc., Sarnia 50 51 Thermo-Bond Flame Induction Hardening Inc., Mississauga 52 Vac Aero International Inc., Oakville 53 Metcor Inc., St. Eustache 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69

74 March 2011 - IndustrialHeating.com

CANADA CANADA CANADA CANADA CANADA CANADA CANADA CANADA CANADA CANADA CANADA CANADA CANADA CANADA CANADA CANADA CANADA CANADA CANADA

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High EfÀciency Plate Blasting  Improve the accuracy

of your laser cutting process!  Quality & Speed

IndustrialHeating.com - March 2011 75

Wire Patenting

Straightening

Steam Treating

Sintering

On-Site (field) HT

Laser HT

Electron Beam HT

Cryogenic Treating

Carbon Restoration

Aluminum/Nonferrous

Marquenching

Austempering

Vacuum

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Hardening (Q&T)

Nitrex Metal Inc., Montreal CANADA THERMETCO Inc., Montreal CANADA Vac-Aero International Inc., St. Laurent CANADA Tratamientos Termicos Nitrogas S.A., Buenos Aires ARGENTINA Techniques Surfaces do Brasil Ltda, Diadema - SP CEP BRAZIL Tratar S.A., Medellin COLUMBIA Ajax TOCCO Intl. Ltd., Birmingham, Saltley, West Midlands - ad on pg. 9 ENGLAND, U.K. Holt Brothers (Halifax) Ltd., West Yorkshire ENGLAND, U.K. Keighley Laboratories Ltd., Keighley, West Yorkshire ENGLAND, U.K. Tamworth Heat Treatment Ltd., Staffordshire ENGLAND, U.K. Tecvac Ltd., Cambridge ENGLAND, U.K. TTI Group Ltd., Blackburn ENGLAND, U.K. TTI Group Ltd., Bedfordshire ENGLAND, U.K. ALD Own and Operate GmbH, Hanau - see our ad on page 33 GERMANY ALD Thermal Treatment, Limbach-Oberfrohna - ad on pg. 33 GERMANY MAHLER GmbH, Plochingen GERMANY Austenit S.A., Mixco (Zona 8) GUATEMALA Heat Treaters and Engineers, Ahmedabad, Gujarat INDIA Metals-India, Ballabgarh Faridabad, Haryana INDIA Ravi Metal Treatment, Rajkot, Gujarat INDIA

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ALD Tratamientos Termicos S.A. de C.V., Ramos Arizpe, Coahuila - ad on pg. 33 MEXICO

MEXICO PUERTO RICO SOUTH AFRICA SLOVENIA SINGAPORE TURKEY

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Bodycote, Silao Braddock Metal Treating, Bayamon Harchris Heat Treatment (Pty.) Ltd., Springs, Gauteng University of Ljubljana, Ljubljana Hitech Heat Treatment Services Pte. Ltd., Jurong Istas Izmir Isil Islem San VE Tic. A.S., Izmir

Bright

Member MTI

Country

Commercial Heat-Treating Capabilities Directory

Annealing

Furnace

Industrial Heating’s 2010 2011

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Where industry turns to

turn up the heat Thermcraft is the leader in high performance heat treating technology

Front Loading Box Furnace with pneumatic, vertical lift door

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superior thermal engineering heavy duty design maintenance free operation custom systems fast heat up and cool down single and multi zone

Batch Oven Thermcraft also has the heaters you need for high temperature applications that demand high performance

Hinged Split Tube Furnace

Customized Recirculating Oven

P.O. Box 12037 • Winston-Salem, NC 27117 • Phone: (336) 784-4800 • Fax: (336) 784-0634 Website: www.thermcraftinc.com Email: [email protected]

76 March 2011 - IndustrialHeating.com

Major credit cards accepted.

Member Metal Treating Institute (MTI)

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y. . toda ister s April 1 g e r d d n n e a t Plan discoun 00. d e $1 rly bir

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Keep current with our ever-changing industry at AeroMat. Register today at www.asminternational.org/aeromat. No where else can you get this high-level aerospace materials knowledge.

IndustrialHeating.com - March 2011 77

Literature/Website Showcase Furnace & Heat-Treating Systems Induction Heating Systems

Vacuum Furnaces

Ajax TOCCO Magnethermic Corporation Ajax TOCCO Magnethermic Corporation is a world leader in the induction heating, melting and forging industries. Our proven applications include brazing, annealing, hardening, tempering, seam annealing, shrink fitting, curing, forging and melting. www.ajaxtocco.com

Centorr Vacuum Industries Furnace expansion for the Metal Injection Molding market with the introduction of new MIM-Vac 'M' line of custom metal hot zone furnaces. The MIM-Vac M has a number of improvements including a modular design for easy setup, access, and installation and operates in Argon, Nitrogen, and Hydrogen gases from 10-760 torr. www.centorr.com

Integral Quench Furnaces BeaverMatic Inc.

Cryogenic Tempering

For half a century, BeaverMatic’s heat-treating equipment has been known for steadfast performance, straightforward design and quality workmanship. The company serves the heat-treating community by holding true to Jack Beavers’ reputation for meticulously manufactured equipment. The IQF brochure describes the cornerstone of BeaverMatic’s product line. For more information, call 815963-0005. www.BeaverMatic.com

DMP CryoSystems We provide customers maximum process flexibility and dependability with our complete line of combination furnace/ freezers with temperature ranges between 1200°F and -300°F. Full in-house design and flexible manufacturing capabilities permit custom integration with existing production lines. www.cryosystems.com

Integral Quench Furnaces

Vacuum Furnace Selection Guide

J. L. Becker Company New brochure features “state-of-the-art” integral quench furnaces to include many new options and features, plus companion equipment spray dunk agitate washers, atmosphere and non-atmosphere tempers, charge cars and total-controlled fully automated heat-treat systems. Call us at 734-656-2000 or e-mail [email protected] www.jlbecker.com

G-M Enterprises An (8) eight-page, full-color handout for prospective furnace buyers. The handout is a checklist of considerations when purchasing a new vacuum furnace. Please call for our "Guide to the Selection of Vacuum Furnaces." Phone: 951-340-4646. www.gmenterprises.com

Furnaces

Inductotherm Group Brochure

Can-Eng Furnaces Since 1964, Can-Eng has been designing and manufacturing industrial heat-treating equipment for commercial and captive heat treaters, stamping and fastener companies, automotive component producers, the iron and steel industries, and aluminum foundries. Take a closer look at the systems we have to offer. For more information, call 905-356-1327 or visit us at www.can-eng.com.

Inductotherm Group Inductotherm Group, a global leader in melting, thermal processing and production systems for metals and materials, presents this brochure showcasing its engineering strength and organizational flexibility. Product lines include equipment for heating, air and vacuum melting, and coating and heating systems for steel. For more information, call 609-267-9000, ext. 111 or visit www.inductothermgroup.com.

Induction Heating Systems

Solution Heat-Treat Furnace

CEIA USA CEIA provides induction heating generators, controllers and accessories for use in a wide range of applications, including heat treating, brazing and for aluminum applications. Our induction systems offer unmatched efficiency and precise repeatability. To see what CEIA can do for you, visit our website at www.ceia-usa.com or contact us at [email protected].

International Thermal Systems ITS’ solution heat-treat furnace with water or air quench is used for aluminum castings, sheet-metal components and extrusions in the aerospace and automotive industry. Horizontal or vertical systems are available. Pit and ground level quench-tank designs can be selected. Operating temperatures up to 1200ºF (650˚C) are available. Temperature uniformity of ±5˚F (±2.8˚C) is common on most applications. www.itsllcusa.com

78 March 2011 - IndustrialHeating.com

Literature/Website Showcase Furnace & Heat-Treating Systems New Vacuum Furnace Ipsen Titan, Ipsen's new modular-built vacuum furnace, is the best way to add heat-treating capacity to your facility quickly and affordably. Titan operates in 15 languages, can be shipped within two weeks of order and can be purchased, leased or rented. www.ipsenusa.com

Radiant Heater Tubes Cast or Fabricated

All Stainless & High Nickel Alloys All Styles Including Straight Tubes, S, O, W, U, and Specialty Tubes with or without Flanges, Insulation, Bellows and Collars

Vacuum Furnaces Solar Manufacturing Solar Manufacturing has over 100 combined years of experience in vacuum furnace design. Featured are improved graphite insulation materials, curved graphite heating elements, tapered gas nozzles, high-velocity gas quench systems, SolarVac 3000 interactive control systems, ConserVac energy management system and Magnetic Specialties Smart Power Supplies. www.solarmfg.com

Thermal-Processing Systems Surface Combustion This brochure introduces Surface Combustion and its overall capabilities as a provider of diverse product offering in the thermal-processing industry. Surface’s capabilities also include a wide array of aftermarket services and support activities. Whatever your heat-processing needs, Surface can put its over 85 years of experience to work for you. www.surfacecombustion.com

Also Specializing in: Corrugated Boxes Muffles Retorts Fans Serpentine Trays Diffusers Recuperators Baskets All Alloy Fabrications

34250 Mills Road, Avon, OH. 44011 Phone: 440-327-5000 • Fax: 440-327-5599 Web: www.Qual-Fab.net • E-mail: [email protected] Sales Representatives Wanted

Furnaces/Ovens/Heating Systems Thermcraft Inc. Thermcraft Incorporated offers a wide range of standard products that includes: ceramic refractory or vacuum formed ceramic fiber heaters, control systems, as well as industrial oven and furnace systems including mechanical handling equipment. Thermcraft Incorporated is also a recognized leader in custom heat-treating, industrial systems. www.thermcraftinc.com

High-Vacuum Furnaces and Ovens T-M Vacuum Products A pioneer in the high-vacuum heat-treating industry, T-M has been manufacturing highvacuum furnaces and ovens since 1965. Our furnaces come with full computer control, and our ovens come with PLC/color touchscreen interface control. www.tmvacuum.com

IndustrialHeating.com - March 2011 79

Literature/Website Showcase Furnace & Heat-Treating Systems | Heat Exchangers & Quenching Systems | Commercial Heat Treating | Cooling Towers

G L O B A L

CONTINUOUS

CASTING —

F O R U M — May 2-5, 2011 | Atlanta, Georgia, USA

Heat-Processing Systems Wellman Furnaces Inc. Wellman Furnace has over 100 years of experience in designing, manufacturing and installing heat processing systems worldwide, specializing in continuous or batch process, small or large load, long or short cycle, fixed or variable process, electric or fuel fired. For information, call Bob Longstreet 317-398-4411 Ext. 211. www.wellmanfurnaces.com

Drop Bottom Furnaces

Networking

Wisconsin Oven Wisconsin Oven manufactures drop bottom furnaces, quench tanks, age ovens and related equipment for solution treatment of aluminum extrusions, sheet metal, castings and other parts. We serve the automotive, aerospace and other industries. Our equipment is designed to the most stringent specifications. Contact: 262-642-3938 www.wisoven.com

33 Leading Process Experts Polymer Quenchant

Workshops | Panel Discussions Operational | Technical Presentations Vertical Shaft | Copper Shaft Furnace Heat Exchangers | Copper Melting Furnace Furnace Building | Furnace Burner Combustion

Next to Interwire, Melting Furnace Concepts WAI’s new forum is REPRESENTING: the hottest place

Heatbath Corp./Park Metallurgical Polyquench 15XN is the first non-sticky polymer quenchant. Engineered for induction and direct hardening applications; suitable for immersion or spray application. Brochure includes useful cooling response curves, viscosity vs. concentration, time vs. % concentration charts. Heatbath Corp. ISO 9001 Certified. Detroit • Chicago • Springfield, MA • Chicago (413) 452-2000; www.heatbath.com

Vacuum Heat-Treating Services ALD Thermal Treatment ALD provides vacuum heat-treat services to the precision manufacturing community. Global resource centers are located in Limbach, Germany; Huron, Mich.; and Ramos Arizpe, Mexico. Contact Michael Pode at 810357-0682 or [email protected]. www.aldtt.net

SCR | Contirod | Properzi | Upcast | ESSEX

to be in 2011 Cooling Towers

Period. Learn more at: www.wirenet.org The Wire Association International, Inc. 1570 Boston Post Road | P.O. Box 578 | Guilford, CT 06437-0578 USA Telephone: (001) 203-453-2777 | Fax: (001) 203-453-8384 | www.wirenet.org

80 March 2011 - IndustrialHeating.com

Delta Cooling Towers Delta Cooling Towers manufactures a complete line of corrosion-proof engineeredplastic cooling towers. The towers carry a 15-year warranty on the casing, which is molded into a unitary leak-proof structure of engineered plastic. All models are factory assembled and simple to install. www.deltacooling.com

Products

Product of the Month Machine-HMI Line Invensys Eurotherm The new PenGUIn HMI line features a powerful combination of monitoring, control and communication capabilities that help achieve productivity excellence. In addition to standard functionality, the PenGUIn machine-HMI line also includes protocol conversion, port sharing and web server capability, all of which are easily configured and managed by the GUIcon n software package. PenGUIn comes in four screen sizes: 6 inches, 8 inches, 10 inches and 15 5 inches. It is also equipped with up to six serial ports and two Ethernet ports, and it is capable e of managing up to 13 different protocols simultaneously. These can be selected from an extensive extensive list of more than 200 protocols via GUIcon software. Optional communication cards are also available, including CAN, DeviceNET, ProfiBUS, GSM and RS232/485. The built-in web and e-mail server allows remote monitoring, remote program modifications, diagnostics and alarm notifications. This significantly reduces maintenance or servicing costs, and recipes can be locally stored and accessed using optional CF memory cards. www.eurotherm.com/penguin

Universal Thermocouple Connector

Portable Test Instrument

Omega Engineering The UTC-USB universal thermocouple connector accepts signals from nine thermocouple types (J, K, T, E, R, S, B, C and N). Through the USB port, the UTC-USB displays actual temperature readings on your PC. PC Free software for display, data logging and chart recording is provided. The iincluded software lets you select the thermocouple type and units and then use your PC as a meter, an cchart recorder or data logger. UTCU USB accepts both standard and mi miniature connectors. www.omega.com www

Yokogawa Corporation of America The CA450 Process Multimeter combines the functionality of a digital multimeter like the TY500 series with a 4-20mA loop calibrator such as the CA11 into a single instrument for calibration and maintenance of process instrumentation. The CA450 allows technicians and maintenance personnel to source and measure with one handheld tool, minimizing the amount of equipment to carry. Terminal shutters have been incorporated for safety to prevent improper connections. The CA450 meets 600 V CAT IV and 1000 V CAT III safety standards and is CE certified. www.yokogawa-usa.com

Burner C B Control t lS System t Hauck Manufacturing Company The SBC 1.0A control system is a configurable single burner combustion control panel. The relay-logic panel provides flame supervision, temperature control and sequencing for single burner combustion control applications. The core of the system is the Kromschröder IFD 258 Automatic Burner Control Unit. The SBC 1.0A can be configured to meet specific application requirements. Temperature control is selectable between 4-20mA or position proportional control actuators (and 3 position step). Users may select either direct spark ignition (gas-only application) or pilot ignition (combination gas/oil application). In addition, the SBC 1.0A can be configured with combustion air blower start/stop switches, a panel heater as well as nozzle purge circuits (for heavy oil applications). include thermocouple type (K or J) Other selectable configurations includ aand UV or flame-rod flame detection (gas only). The d SBC 1.0A includes: standard S NEMA 4 rated enclosure; fullfeatured ¼ DIN temperature f controller with set-point c ramp capability; 1/16 DIN high-temperature limit instrument; adjustable purge s timer; low fire hold circuit; t and indicators for purging, a limits set and control on. www.hauckburner.com w

GRAPHALLOY BEARINGS CAN TAKE THE HEAT. ®

HANDLE HIGH TEMPERATURE AND HARSH OPERATING CONDITIONS WITH EASE GRAPHALLOY® bushings, bearings and components: • Survive when others fail • Run hot, cold, wet or dry • Excel at -450°F to 1000°F • Corrosion resistant • Self-lubricating • Non-galling • Low maintenance • Ovens, dryers, pumps, valves, turbines, mixers, conveyors

GRAPHITE METALLIZING CORPORATION Yonkers, NY 10703 U.S.A. ISO 9001:2000 H06

TEL. 914.968.8400 • WWW.GRAPHALLOY.COM/IH

IndustrialHeating.com - March 2011 81 IH02072Gra.indd 1

1/17/07 4:57:19 PM

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Forging

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Alan Fostier: [email protected] s Dan Demers: [email protected]

CUSTOM HIGH-TEMPERATURE VACUUM FURNACES 1525 Old Alum Creek Drive Columbus, OH 43209-2712 Ph: (614) 253-8900 Fax: (614) 253-8981

Induction Coil & Transformer Repair, Spare Parts, Flux Concentrator Sean Buechner – Coil Sales - East Coast Tom Learman – Concentrator Sales; Coil Sales – Mid-West Gil Traverse – Spare Parts & Handling Equipment Frank Veno, President – CEO www.alpha1induction.com

Lone Star Induction, Inc. Specializing in Induction: Heating – Forging – Melting

Brazing Furnaces Annealing Furnaces Atmosphere Generators Batch Furnaces Integral Quench Furnaces Continuous Pusher Furnaces Car Bottom Furnaces Tip Up Furnaces Computer Management Systems Installations - Rebuilds Used Equipment - Spare Parts BILL VAN ETTEN - Sales (734) 656-2000 Ext. 125 Fax: (734) 656-2009 • Cell: (313) 680-1982 Email: [email protected]

41150 Joy Rd., Plymouth, MI 48170 The Best Single Source For All Your Heat Treating Requirements

82 March 2011 – IndustrialHeating.com

Electric Heating Elements For a broad range of applications Find out more at… www.Duralite.com

• Standard 3 to 4 week delivery • Performing quality after market repairs • Preventative maintenance • 24 hour emergency service All of our repairs are performed on site at our centrally located repair facility in Texas. Lone Star Induction offers over 30 years experience in the heating and melting industry.

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525 Klug Circle, Corona, CA 92880-5452 Phone: 951-340-4646 Fax: 951-340-9090 Emaill: [email protected] or [email protected]

Aftermarket Support: 800-727-7625 Engineered Components: 815-332-2625

PROFESSIONAL SUPPORT SERVICES TO INDUSTRY THE HERRING GROUP, INC. Home of “The Heat Treat Doctor” ® Education/Training - Consulting Product/Process Analysis - Problem Solving Furnace Diagnostics

Used Heat Treating Furnaces and Ovens

Ph: 630-834-3017; Fx: 630-834-3117 email: [email protected] Web: www.heat-treat-doctor.com

Ph: 440-519-3800 • Fax: 440-519-1455 Email: [email protected] Website: www.whkay.com

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New/Rebuilt Furnaces – Vacuum Pumps Leak Detection/Field Services MufÁe and Alloy Fabrication Equipment Relocation • Replacement Parts Phone: (909) 622-1091 Email: [email protected] • Website: www.mangoldengineering.com

Qual-Fab Inc.

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• • • • • • •

Furnace Fans Furnace Rolls Diffusers Retorts Repairs All Alloys Stainless Steel and High Nickel

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www.qual-fab.net

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VACUUM FURNACE REBUILDS • • • •

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Classified Marketplace Rates Per Column Inch

Fax Your Ad To: Becky McClelland at 248-502-1076

1x=$125; 3x=$115, 6x=$100 and 12x=$95. No additional charge for bold print Blind box numbers available = $15 per issue

Or Mail To: Industrial Heating Manor Oak One, 1910 Cochran Road, Suite 450, Pittsburgh, PA 15220 Or Call (412) 306-4355 • Email: [email protected]

NOW PLAYING ON Link to IH's Marketing Minute Video at: www.youtube.com/watch?v=axZscJxm_ew

FOR SALE

FOR SALE Park Thermal Electric Re-Circulating Furnace 120 KW, 52" W x 50" H x 9' long, 1400ÝF. Complete with Digital Controls. Mint Condition.

AFC Mesh Belt Tempering Furnace HELP WANTED

Proposal Estimator Industrial heat treat equipment manufacturer is immediately seeking a full time Proposal Estimator with engineering background and heat treating industry experience. Please reply in conÀdence to: [email protected] or mail to: Carol Dimmer Premier Furnace Specialists 23850 Freeway Park Drive Farmington Hills, MI 48335

60" W x 18' heated length x 6" h, natural gas, 1250ÝF. Complete with controls.

Lindberg Electric Rotary A-1 Condition 18” wide x 9” high x 60” diameter 72 kW; 1500ÝF. Complete with control system

Lightnin Mixers (9) Available 5 HP, 1725 RPM, Complete w/ propellers and agitators. Shaft length 46" L, Small Propellers 8"W - Large Propellers 19"W For more information, please call your sales representative at 1-877-834-4328 (HEAT).

Park Thermal International (1996) Corp. 62 Todd Road, Georgetown, Ontario L7G 4R7 Toll Free: 877-834-4328 • Fax: 905-877-6205 [email protected] • Web: www.parkthermal.com

ONLINE AT: WWW.INDUSTRIALHEATING.COM

HELP WANTED

IC Induction Atmospheres AMGH R E C Induction Heating Regional Sales Manager . BLE T P A M T E T S GH Induction Atmospheres is a member of one of the leading, most experienced IGH CA EALAN FOR SALE

& SMoist Creamy Putty E V I S ADHE Just Apply and Let Dry H

Bonds Most Materials Resists Chemicals, Electricity, Molten Metals and Abrasion

2300 F O

FREE MATERIALS HANDBOOK

COTRONICS CORP. www.cotronics.com - [email protected] 718-788-5533

84 March 2011 – IndustrialHeating.com

induction heating groups in the world. With over 4,000 installations in 50 countries, we are bringing our expertise to penetrate the US market. We are seeking experienced induction heating Regional Sales Managers to provide direct sales contact, and develop key accounts. E-mail your resume to: [email protected] General Inquires: [email protected] 585-368-2120

FOR $25.00 WE WILL POST AND LINK YOUR AD ONLINE Visit industrial heating online at www.industrialheating.com

Classified Marketplace FOR SALE

FOR SALE

(4) Car Style Batch Kilns

FOR SALE

Nabertherm - (2002) • ID: 39"W x 144"D x 56"H • Electric – 1340ÝC • 480/3/60 – 235 KW • Multiple Cars + Spares

+“Like New” Condition + Cleveland, OH Ph: 440-519-3800 Email: [email protected]

AFC Mesh Belt Austemper Furnace System 750 Lbs/Hr, 1700ÝF, 30" W x 6" h x 120" long includes loader, furnace, salt tank, wash, exit conveyor & control panel.

Seco Warwick Mesh Belt Austemper Furnace System 1000 lbs/hr, 1550ÝF, 36" w x 14' L, 2 zone, includes loader, furnace, salt tank, wash, exit conveyor & control panel.

Surface Combustion Atmosphere Gas Fired Rotary Hearth Furnace FOR SALE

22" dia. (Fibre) c/w Mesh Belt 60'L Temper For more information, please call your sales representative at 1-877-834-4328 (HEAT).

VACUUM PUMPS SALES AND SERVICE

CASHVAC INC. • • • • •

25 years experience Guaranteed rebuilding Warrantied service OEM replacement parts New and used pump sales All makes and models

• FREE ESTIMATES AND DELIVERY

Park Thermal International (1996) Corp. 62 Todd Road, Georgetown, Ontario L7G 4R7 Toll Free: 877-834-4328 • Fax: 905-877-6205 [email protected] • Web: www.parkthermal.com

FOR SALE

Factory Trained Stokes Pumps/Blowers

TOLL FREE: 1-800-397-1600 Specializing in Stokes Vacuum Pumps

ONLINE AT: WWW.INDUSTRIALHEATING.COM

FOR SALE • 30” x 48” x 30”H, Lindberg Batch Tempers, 1250°F, 3 Available • 72"W x 6"H x 24' , Holcroft, Atmosphere, 1600-F, Mesh Belt • 36” x 48” x 30”H, Vac Aero, 6 Bar Vacuum Furnace, 2500°F • 36” x 72” x 36"H, Surface Combustion Integral Quench w/Top Cool • 102” x 72” x 16”H, Holcroft Slot Forge, 2200°F, Gas, UNUSED

Hot Zone Rebuild & Upgrade Vacuum Furnaces Controlled Atmosphere Furnaces Hydrogen Retort Furnaces 525 Klug Circle Corona, CA 92880-5452 Phone: (951) 340-4646 Email: [email protected] or [email protected]

• Holcroft Pusher Furnaces, Gas Fired, 1750°F, 21” x 42” Trays • Lean Fume Afterburner, Surface Combustion, 1800°F, 2000 SCFM • 50” x 50” x 50”H, Grieve, 1250°F, Electric • Progressive Technologies Rotary Index Shot Peeners • Induction Heating, 7.5 kW to 750 kW, 1 kHz to 450 kHz, 21 In Stock • 36” x 48” x 30”H, Surface Combustion Batch Tempers, 1400°F, Gas, 2 Available • 59”W x 67”H x 50”L, Despatch, 1000°F, Atmosphere w/Forced Cooling, 2 Available Contact: Jeffrey D. Hynes 248.343.1421 or [email protected]

FURNACES OVENS & BATHS For a complete inventory listing with photos visit www.fobinc.com

IndustrialHeating.com – March 2011 85

Classified Marketplace FOR SALE

FOR SALE

STANDARD & CUSTOMIZED HEAT TREAT FURNACES • • • • •

Energy Efficient Temperatures to 3000˚F Electric or Gas Atmospheres Easy to Operate

WWW.LUCIFERFURNACES.COM • Phone: (800) 378-0095 • Fax: 215-343-7388

Industrial Heating REPRINT PLAQUES Are Now Available Contact Becky McClelland at 412-306-4355 for details

a

apex auctions

ONLINE AT: WWW.INDUSTRIALHEATING.COM

Online Auction Bid online through our website: www.apexauctions.com

You can enter the auction to start bidding now For further information, Terms & Conditions please refer to our website or call us.

Heat Treating Department Including Air Circulating Tempering Furnaces, Boiler, Filter Press and More

Surplus to the Needs of a Major Perishable Tool Manufacturer Site Location: 407 Old Evans Rd, Martinez, Georgia 30809, USA Sale Ends: Thursday, March 24, 2011 from 2pm CST - Viewing By Appointment Only Heat Treat Dept, Approx 10 L&S Steam Homo Atmosphere & Air Circulating Tempering Pit Furnaces from 22” - 48 Dia”, 60 Deep; Misc Pots, Furnace Parts; Filter Press; Fulton Boiler; Baron Blakeslee Auto load Degreaser; Huffman Model HS-156F, 15 M Control; Walters 55-R, 6 Axis Tool & Cutter Grinders; 48” De-Hoff Gun Drill; 42” Model 22D 42 Blanchard Rotary Surface Grinder; Hillyer Model 600 CNC VMC; Starret CMM, Di-Metric Plus 2SWLFDO&RPSDUDWRU+HUWOHLQ)OXWH0DFKLQHV*UHHQ¿HOG'XDO&XW2IIV HP Ingersol Screw Compressor; Fork Lifts: Yale, Clark, Crown, Walker and Raymond Side Loader; Marvel Do All C80 Saws; Zero Blast Cabinets; Lipe Bar Feeds; B & S Ultramatic Screw Machines; Thompson Grinder; Hannifan and Dennison Hydraulic C Frame Presses; Pumps; Coolant Tanks and Pumps; Tranformers; Parts Cleaner; 3 Ton Bridge Crane; Approx 10 Hydra Cell 7.5 HP pumps; Trion Air Filters; Misc Motors and much more

www.apexauctions.com 27475 Ferry Road Suite 127, Warrenville, IL 60555, USA Tel: +1 630 717 3720 Fax: +1 630 717 3721 Email: [email protected]

86 March 2011 – IndustrialHeating.com

Classified Marketplace FOR SALE

FOR SALE New Design

SPARK IGNITER Used for the automatic ignition of recuperative burner systems.

FOR SALE Surface Combustion Gas Fired Integral Quench Furnaces. (4 Available)

*Diff erent Leng ths A vailab le

With washers, tempers and generators. Working dimensions: 30" w x 30" h x 48" d; Rated: 2500 lbs./hour; c/w controls

Park Thermal Gas Fired Mesh Belt Furnace NEW DESIGN • Improved Performance • Longer Life • Larger Gap • Floating Spark • Direct Replacement Call for model/ pricing information

*We offer both designs

1250ÝF, 65" w x 27' long x 4" high, natural gas, complete with free standing control panel.

Elnik Systems Vacuum Furnace 12”wide x 22”long x 12” high; Electric 480V; 3 phase; 60 cycle Complete with control panel, pumping system, cooling water system and nitrogen tank. For more information, please call your sales representative at 1-877-834-4328 (HEAT).

283 East Hellen Road • Palatine, IL 60067 Tel: 847.202.0000 • Fax: 847.202.0004 www.duffycompany.com

Park Thermal International (1996) Corp. 62 Todd Road, Georgetown, Ontario L7G 4R7 Toll Free: 877-834-4328 • Fax: 905-877-6205 [email protected] • Web: www.parkthermal.com

EQUIPMENT FOR SALE

Mowry Enterprises, Inc. New

Used

Rebuilt

Solutions

For Sale VFS 6 BAR, 36 x 36 x 48: graphite hot zone, high vacuum, internal quench, 2650 F, PLC/ touch screen controls Ipsen 224, 15” x 10” x 24” , 2002 control panel, rebuilt pump, graphite elements, mech pump/ diffusion pump VACUUM OIL QUENCH CARBURIZER: C.I. Hayes: 24” x 24” x 24”, Still installed, 2 chamber with isolated oil quench, complete with water recirc system and alloy grids. Heat Chamber is 24 24 36. Quench chamber can be modiÀed for this larger load. VFS HL 36: 2500 F, 24” x24” x38” graphite hot zone, High vacuum, PLC/ touch screen controls, Pressure Quench VFS HL 50: 36” x 30” x 48”, graphite hot zone, high vaucum, 1200 CFM external quench, 2650 F 2 BAR: 10” x 10” x 20” hot zone, Graphite. Mech pump and blower, built in 1999. TM 12 x 12 x 20: graphite hot zone, high vacuum, internal quench, 5 psig positive quench ABAR 48 x 48 bottom load: graphite hot zone, high vacuum, external quench, PLC/ touch screen controls

www.mowryenterprises.com email: [email protected] Phone: 978-808-8634 Fax: 508-845-4769

Industrial Heating

REPRINT PLAQUES ARE NOW AVAILABLE Contact Becky McClelland at 412-306-4355 for details

for sale

Standard Fuel Engineering Mesh Belt Conveyor-Type Tempering Furnace 1050˚F maximum temperature Single zone Direct Gas Burner Garden City Recirculating Fan 48” wide x 45’-0” overall length Barber Colman Temperature Controls

TWO AVAILABLE!

For more information contact our sales team at: [email protected] or 734.656.2000 ext. 2

IndustrialHeating.com – March 2011 87

Classified Marketplace

Since 1936

––––– ATMOSPHERE GENERATORS ––––– 1000CFH Ammonia Dissoc. Drever Elec 1000CFH Ammonia Dissoc. Hayes (1994) Elec 1000CFH Exothermic Gas Atmos. Gas 1500CFH Endothermic Ipsen Elec 2400CFH Endothermic Surface Gas 3000CFH Endothermic Lindberg (3) Gas 3000CFH Ammonia Dissoc. Drever Elec 3600CFH Endothermic Becker (1995) Gas 5600CFH Endothermic Surface (5) Gas 10.000CFH Exothermic Seco/Warwick (2) Gas –––––––––– BOX FURNACES –––––––––– Huppert Elec 2000˚F 8" × 12" × 6" 9" × 14" × 9" Lucifer Up/Down Elec 2000/1250˚F Lucifer Up/Down Elec 2000/1250˚F 9" × 18" × 9" 12" × 24" × 8" Lucifer Up/Down (Muffle) Elec 2100˚F Hayes (Atm) Elec 1800˚F 12" × 24" × 8" Elec 2000˚F 13" × 24" × 12" Electra Up/Down 12" × 24" × 8" Fce. Works (Muffle) Gas 2000˚F 14" × 24" × 12" Lindberg H2 Retort Elec 2150˚F 15"×26"×15" L&L (Atmos) Elec 2500˚F Elec 2350˚F 17"×14.5"×12" L&L (New) Lindberg-Retort (2) Elec 2100˚F 22"×36"×17" 30" × 48" × 30" Surface (RTB-Atmos.) Gas 1750˚F 39" x 144" x 56" Nabertherm Kiln (4) Elec 2450˚F 72" x 72" x 48" R&G (2) Gas 2000˚F R&G Elec 2000˚F 72"×72"×48" Gas 1850˚F 288" × 60" × 36" Sauder "Tip-Up" –––––––––– PIT FURNACES –––––––––– 22" Dia × 26"D L&N Elec 1400˚F 22" Dia × 26" L&N Nitrider Elec 1200˚F 28" Dia x 48" Lindberg Elec 1400˚F 40" Dia × 60"D L&N (steam) (2) Elec 1200˚F 48" Dia × 72"D Surface Gas (R.T.) 1850˚F 60" Dia × 144"D Lindberg Elec 1400˚F ––––––––– VACUUM FURNACES ––––––––– Elec 2450˚F 24" × 36" × 24" ALD - 6 Bar (1997) Elec 2450˚F 24" × 36" × 24" ALD - 6 Bar –––– INTEGRAL QUENCH FURNACES –––– 8" × 18" × 8" Ipsen Gas 1850˚F 15" × 24" × 10" L&N Tricarb Elec 1850˚F 24" × 36" × 24" Lindberg (Top Cool) Elec 2000˚F 30" × 48" × 30" Surface Elec 1750˚F 30" × 48" × 30" Surface Gas 1850˚F ––––––– BELT FURNACES/OVENS ––––––– 24" × 5' × 6" Darvon (New) Elec 400˚F 12" × 15' × 4" Sgt. & Wilbur (1994) Muffle Gas 2100˚F 16" × 24' × 4" Abbott (Atmos.) Muffle Elec 2400˚F Gas 500˚F 24" × 17' × 28" Jensen – Dual Belt 24" × 19' × 30" Jensen Gas 500˚F Elec 500˚F 24" × 40' × 18" Despatch 24" × 40' × 18" Despatch Gas 650F 28" × 18' × 12" Hayes Elec 800F 32" × 21' × 18" Sunbeam Elec 1450˚F 36" × 108" × 34" Process Heating Elec 300˚F 42"× 24'× 30" Jensen Gas 500˚F 60"×45'×12" W-House Roller Hearth Gas 1700˚F

88 March 2011 – IndustrialHeating.com

–––––––––– MISCELLANEOUS –––––––––– 30” × 48” Lindberg Charge Car (double-ended) 4000# Accurate — Skip Hoist (NEW) 30"× 48"× 30" Dow Washer (D&S) Elec New Carbon Probes 36" × 48" Surface Roller Tables 30" × 48" Surface Charge Car 30" × 48" Surface Charge Car (System I) 30" × 120" × 12" Ransohoff Belt Washer/Dryer Gas Wilson Hardness Testers (RC) SBS Air/Oil Coolers ––––––– OVENS/BOX TEMPERING –––––– Gas 1250˚F 12" × 18" × 12" Surface Elec 1250˚F 12" × 18" × 12" Lucifer 12" × 18" × 12" Lindberg Elec 1400˚F 12" × 16" × 18" Lindberg (3) Elec 1250˚F Elec 1300˚F 14" × 14" × 14" Blue-M 14" × 14" × 14" Gruenberg (solvent) Elec 450˚F 15" × 24" × 12" Sunbeam (N2) Elec 1200˚F Elec 1250˚F 15" × 24" × 18" Lindberg 18" × 36" × 18" Surface Gas 1200˚F 20" × 18" × 20" Blue-M Elec 400˚F Elec 650˚F 20" × 18" × 20" Blue-M 20" × 18" × 20" Blue-M (3) Elec 800˚F 20" × 20" × 20" Gruenberg (Solvent) Elec 450˚F Elec 500˚F 20" × 18" × 20" Despatch 24" × 24" × 24" Grieve Elec 850˚F 24" × 26" × 24" Grieve Gas 500˚F 24" × 24" × 36" New England Elec 800˚F Elec 600˚F 24" × 24" × 48" Blue-M (2) 24" × 36" × 24" Demtee (N2) Elec 500˚F Gas 1250˚F 24" × 36" × 24" Paulo 25" × 20" × 20" Blue-M Elec 650˚F 25" × 20" × 20" Blue-M (3) Elec 1300˚F 26" × 26" × 38" Grieve (2) Elec 850˚F Gas 1250˚F 30" × 48" × 54" Lindberg 36" × 24" × 24" Young & Bertke Elec 400˚F Elec 600˚F 36" × 24" × 48" Blue-M 36" × 38" × 36" Grieve Elec 500˚F 36" × 36" × 36" Trent Elec 1200˚F 36" × 36" × 48" Blue-M Elec 600˚F Elec 600˚F 36" × 36" × 48" P-Quincy 36" × 36" × 60" Grieve Elec 500˚F Elec 1000˚F 36" × 48" × 36" Grieve 37" × 19" × 25" Despatch Elec 850˚F 36" × 60" × 36" CEC (2) Elec 650˚F Elec 450˚F 36" × 36" × 120" Steelman 38" × 20" × 26" P-Quincy Elec 1250˚F 38" × 20" × 26" Grieve Elec 850˚F 38" × 26" × 38" Grieve Elec 1000˚F Elec 600˚F 48" × 24" × 48" Blue-M 48" × 30" × 42" Despatch Gas 850˚F 48" × 48" × 72" Lydon Bros. Elec 450˚F Elec 500˚F 48" × 48" × 72" Gruenberg 48" × 48" × 84" Gruenberg Elec 450˚F 48" × 72" × 72" Mich. Oven Elec 500˚F Gas 850˚F 50" × 50" × 50" Grieve 54" × 30" × 60" P-Quincy Elec 350˚F 54" × 68" × 66" Despatch (Solvent) Elec 500˚F 60" × 64" × 72" Poll. Cont. Burn-off Gas 850˚F 72" × 96" × 72" Despatch Gas 750˚F 72" × 96" × 72" Despatch (2) Gas 750˚F Gas 500˚F 72" × 72" × 72" Mich. Oven 84" × 96" × 72" Despatch (2) Gas 750˚F 72" × 120" × 72" Grieve Gas 450˚F Gas 1000˚F 72" × 144" × 42" Bowman (Car) Gas 750˚F 84" × 96" × 72" Despatch (2) 96" × 120" × 96" Poll. Cont. Burn-off Gas 850˚F

Industrial Heating

REPRINTS An excellent marketing opportunity!

If it’s been printed in Industrial Heating, you can have it reprinted by Industrial Heating. Feature Articles, Technology Spotlights, MTI or IHEA ProÀles, Literature Features, and much more. Customize your reprints with your company’s ad, special message or even the cover of Industrial Heating.

Contact Becky McClelland at 412-306-4355 for details Always Online at: www.industrialheating.com FOR SALE

FOR OVER 45 YEARS, specializing in buying and selling used Heat Treating, Heat Processing and Metal Finishing Equipment worldwide.

   

Heat Treat Furnaces (Batch & Continuous) Heat Processing Ovens • Parts Washers Shot Blast Cleaning/Peening & Vibratory Finishing Machines • Dust Collectors

“Featured Equipment” • Surface Combustion 6000 Endo, Gas Air Cooled • Vac Aero 6 bar, 2400ÝF, 36"x 48"x 30" • Surface Combustion 36"x72"x36" Top Cool I/Q Line • Lindberg 24 " x 36 " x 18" Vacuum Furnace • Various pieces of Induction Equipment Enterprise Equipment Co., Inc. 6000 Caniff Ave.,Detroit, MI 48212 Ph: 313-366-6600 • Fax: 313-366-6603 Web: www.eecoinc.com Email: [email protected]

Priority Code: 1103RAC

SUBSCRIBE ONLINE: www.subscribeforfree.com

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R R R R R R R

Production/Manufacturing Management Plant Engineering Management Metallurgical Engineering Management Instrumentation Engineering Management Design, Development, R&D Corporate/General Management Process Engineering

08 09 10 11 12 13 14

R R R R R R R

Environmental Engineering Ceramics/Refractories Engineering Consulting Engineering Estimating Purchasing Marketing, Sales Engineering Other (Specify) _____________________

My firm is a manufacturer with: 15 R Captive (in-house) heat treating/thermal processing 16 R Captive (in-house) brazing, forging, sintering, other thermal processing

Industrial Heating

REPRINTS An excellent marketing opportunity! If it’s been printed in Industrial Heating, you can have it reprinted by Industrial Heating. Feature Articles, Technology Spotlights, MTI or IHEA ProÀles, Literature Features, and much more. Customize your reprints with your company’s ad, special message or even the cover of Industrial Heating.

My firm is a captive (in-house) producer of the following materials: 17 R Alloys, composites, other thermal materials 18 R Primary ferrous/non-ferrous metals (melting, refining, reclaiming, casting) My firm is: 19 R A contract/commercial provider of heat treating/thermal processing, brazing, forging, sintering, other thermal processing 20 R Military/government, R&D, testing lab, or educational institution with on-site thermal process 21 R Contracting/consulting engineer firm for the thermal processing industry My firm manufactures: 22 R Furnaces, ovens, induction, and/or other thermal processing equipment 23 R Refractories, ceramic, insulation, glass 24 R Thermal processing equipment components, controls, instrumentation, sub-systems 25 R Thermal process industrial gases and other consumables 26 R Other thermal processing equipment, components, or supplies (please specify)__________________________________

5 6

7

Do you influence the decision to purchase industrial heating equipment, components or supplies? RYES RNO In performance of my work, I recommend, specify, select, or purchase products in the following areas: (check all that apply) 901 902 903 904 905 906 907 908 909 910 911

R R R R R R R R R R R

Atmosphere furnaces-gas fired Atmosphere furnaces electric Vacuum furnaces and components Induction heating equipment Quenching supplies and equipment Process controls Thermocouples Parts washers Ovens/kilns Ceramics, Refractories/insulation Alloys/steels/Powder Metals

912 913 914 915 916 917 918 919 920 921 922

R R R R R R R R R R R

Instrumentation Industrial Gases Burners Electric Elements Materials characterization/testing equipment Furnace Parts/Accessories Power Supplies Salt Baths Cryogenic Freezers Surface Treatment Software

Contact Becky McClelland at 412-306-4355 for details

Would you like more information on forging and the forging industry?  R YES R No

Copy & FAX this page to 630-739-9700 or Mail to: Industrial Heating 519 E. Briarcliff Rd. Bolingbrook, IL 60440-9931 IndustrialHeating.com – March 2011 89

Advertiser Website Index Page 9 46 33 38,65,77 35 8 36 11 29 49 31 40 46 55 32 90 28 17 81 42 49 32 79 7 19 80 3 34 23 Inside Front Cover 10 Inside Back Cover 41 79 21 27 31 4 30 35 45 76 45 10 25 39 15 13 Back Cover

Company Ajax TOCCO Magnethermic Corp. Alcon Industries, Inc ALD Thermal Treatment, Inc. ASM International Avion Manufacturing BeaverMatic, Inc. Becker, Co. J. L. Can-Eng Furnaces Ltd. Castalloy, Inc. CEIA USA Ltd. Centorr Vacuum Industries, Inc. Ceramic Solutions Inc. Cornerstone Systems, Inc. Delta Cooling Towers DMP CryoSystems Duffy Co., The Eurotherm G-M Enterprises Graphite Metallizing Corp. Heatbath Corp./Park Metallurgical Heat Treat China Show I Squared R Element Co., Inc. Induction Tooling Inc. Inductotherm Group International Thermal Systems Interwire Ipsen, Inc. Metallurgical High Vacuum Corp. Nanmac Corp. Omega Engineering, Inc. Pfeiffer Vacuum Inc. Plansee USA LLC PowderMet Qual Fab, Inc. SGL Carbon, LLC Solar Manufacturing Super Systems Inc. Surface Combustion Inc. Thermalloys Thermprocess Show T-M Vacuum Products, Inc. Thermcraft, Inc. T-M Vacuum Products, Inc. Tuthill Vacuum & Blower Systems Unifrax LLC Wellman Furnaces Inc. WIRCO, Inc. Wisconsin Oven Corp. Yokogawa Corp. of America

NEW From The Duffy Company Environmentally Friendly

Water-Based Stop-Off Paints The Duffy Company 283 E. Hellen Rd • Palatine, IL 60067 T: 847.202.0000 • F: 847.202.0004 www.duffycompany.com

CONDURSAL 777/i For all forms of Gas Carburizing & Carbonitriding • Water Based-Environmentally Friendly • Provides protection up to 2.5 mm case depths • Suitable for temperatures up to 1750˚F • Application by Painting, Spraying and Immersion • No Special thinners required • Washes off after heat treatment

90 March 2011 - IndustrialHeating.com

Phone 800-547-1527 216-961-1100 803-233-0660 800-336-5152 330-220-2779 815-963-0005 734-656-2000 905-356-1327 262-547-0070 888-532-CEIA 800-962-8631 936-588-2646 800-275-4274 800-289-3358 915-351-8500 847-202-0000 703-724-7300 951-340-4646 914-968-8400 413-452-2000 412-306-4351 716-542-5511 440-237-0711 609-267-9000 414-672-7700 203-453-2777 800-727-7625 269-543-4291 508-872-4811 203-359-1660 800-248-8254 800-782-6659 609-452-7700 440-327-5000 800-727-4474 215-258-3350 513-772-0060 800-537-8980 46-248-12577 332-781-5180 856-829-2000 336-784-4800 856-829-2000 800-825-6937 716-278-3800 317-398-4411 800-348-2880 262-642-3938 800-258-2552

Website www.ajaxtocco.com www.alconalloys.com www.aldtt.net www.asminternational.org www.avionmfg.com www.beavermatic.com www.jlbecker.com www.can-eng.com www.castalloycorp.com www.ceia-usa.com www.centorr.com www.ceramicsolutionsconroe.com www.ask4csi.com www.deltacooling.com www.CryoSystems.com www.duffycompany.com www.eurotherm.com/nanodac www.gmenterprises.com www.graphalloy.com/IH www.heatbath.com www.industrialheating.com www.isquaredrelement.com www.inductiontooling.com www.inductothermgroup.com www.itsllcusa.com www.wirenet.org www.ipsenusa.com www.methivac.com www.nanmac.com www.omega.com www.pfeiffer-vacuum.com www.plansee-usa.com www.mpif.com www.qual-fab.net www.sglcarbon.com www.solarmfg.com www.supersystems.com www.surfacecombustion.com www.thermalloys.com www.mdna.com www.tmvacuum.com www.thermcraftinc.com www.tmvacuum.com www.tuthill.com www.unifrax.com www.wellmanfurnaces.com www.wirco.com www.wisoven.com www.us.yokogawa.com

CONDURSAL N623p For Gas Nitriding & Nitrocarburizing • Water Based-Environmentally Friendly • Suitable for Nitriding cycles up to 90 hours • Temp. range: 930˚F - 1150˚F • Application by Painting, Spraying and Immersion • No Special thinners required • No interference or “radiation” to non-coated work pieces Call or visit our web site for • Removal by steel brush or more information and pricing. shotblasting

Full control at your fingertips

s"RIGHTDISPLAYWITHSCROLLINGTEXT s0)$WITHAUTOTUNEANDFUZZYLOGIC s0,#LADDERLOGICCONTROL s-ULTIPLECONFIGURATIONMODESEASY STD PRO s#OMMUNICATIONS%THERNET -ODBUS ® $EVICE.ET ® 0ROFIBUS ®ANDMORE s)NTUITIVECONFIGURATIONSOFTWARE sYEARWARRANTY For more information, go to

WWWUTADVANCEDCOM 800-258-2552