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heat-treating furnaces

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440055
EISBN: 978-1-62708-262-4
...Abstract Abstract This chapter, a detailed account of furnaces and related equipment for heat treating, begins by describing three basic modes of heat transmission, namely conduction, convection, and radiation, followed by a discussion on the working principle, applications, advantages...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060197
EISBN: 978-1-62708-261-7
... on hardenability and tempering response. It discusses the significance of critical temperatures, the use of transformation diagrams, and types of annealing treatments. It also provides information on heat treating furnaces, the effect of heating rate on transformation temperatures, quench and temper procedures...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080005
EISBN: 978-1-62708-304-1
...Abstract Abstract Many metallic components, such as retorts in heat treat furnaces, furnace heater tubes and coils in chemical and petrochemical plants, waterwalls and reheater tubes in boilers, and combustors and transition ducts in gas turbines, are subject to oxidation. This chapter explains...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.9781627083119
EISBN: 978-1-62708-311-9
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310331
EISBN: 978-1-62708-326-3
... at heat treating temperatures. Heat treating furnace atmospheres are oxidizing to iron castings unless the atmosphere is controlled. The first effect in an oxidizing atmosphere at temperature is the formation of iron oxide on the surface of the casting and the removal of exposed graphite by oxidation...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310127
EISBN: 978-1-62708-326-3
... atmospheres in conjunction with a suitable atmosphere furnace that completely excludes air and combustion products from the heating chamber. The gases and gas mixtures used for controlled atmospheres depend on the metal being treated, temperature of the treatment, and surface requirements of the parts being...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420289
EISBN: 978-1-62708-310-2
.... Heating elements made of Nichrome (a Ni-Cr-Fe alloy registered by Driver-Harris Company, Inc., Harrison, NJ) in a heat-treating furnace were failing prematurely. Reference to nickel-base phase diagrams suggested that low-melting eutectics can be produced by very small quantities of the chalcogens (sulfur...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
..., oxidation, distortion, and combinations of these as modified by environment. Elevated-temperature problems are real concerns in industrial applications such as boilers, steam and gas turbine parts, containers in contact with molten metal, heat-treating furnaces and equipment, cement mills, incinerators...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000117
EISBN: 978-1-62708-313-3
... equipment, heating-element sheathing, nuclear steamgenerator tubing Good strength and excellent oxidation and carburization resistance Incoloy 800H Chemical and petrochemical processing, superheater and reheater tubing in power plants, industrial furnaces, heat treating equipment Based on IN-800...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400049
EISBN: 978-1-62708-258-7
..., the surface of a part loses carbon by a reaction with oxygen contained in the heat treating furnace atmosphere (oxygen is present in air, carbon dioxide, and water vapor). Hydrogen can also decarburize steel or cast iron. Just heating a steel or cast iron in air will cause some decarburization. However...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220001
EISBN: 978-1-62708-341-6
...Induction heating applications and typical products Table 1.1 Induction heating applications and typical products Preheating prior to metalworking Heat treating Welding Melting Forging Gears Shafts Hand tools Ordnance Extrusion Structural members...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050093
EISBN: 978-1-62708-311-9
... temperature. Tempering is used to increase the ductility of heat treated parts. Most parts are tempered from 107 to 538 °C (225 to 1000 °F). Parts may be furnace tempered or induction tempered. Chapter 7, “Tempering” in this book discusses tempering. Stress relieving for steels and irons, like tempering...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180029
EISBN: 978-1-62708-256-3
... the heat treatment specification for a company that regularly heat treated Inconel 718, a nickel-base superalloy. In the specification the company listed five very different heat treatments designed to produce five very different strength levels. Each of these strengths had an associated set of mechanical...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220315
EISBN: 978-1-62708-341-6
... of the finished product. Because of this, material loss, as scale or scrap, is a prime factor in any economic analysis. Scaling occurs during heating of steels prior to forming or during heat treating processes. In heating of steel billets to hot working temperatures in air using gas-fired furnaces, scaling...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440085
EISBN: 978-1-62708-262-4
... OPERATIONS generally consist of three separate functions: material movement, the application of energy, and the supervision of process conditions. In a typical heat treating operation, work is moved into a furnace, heated according to a time-temperature program while exposed to defined surrounding conditions...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220253
EISBN: 978-1-62708-341-6
... insulation. G-Guide rail. From C. Dipieri, Electrowarme Int. B, Vol 38, No. 1, February, 1980, p 22 ( Ref 3 ) Fig. 10.10 Automated, quadruple-head, skewed-drive roller system used for in-line induction hardening and tempering of automotive parts. From E. Balogh, Heat Treating , Vol 14, No. 9, 1982...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280135
EISBN: 978-1-62708-267-9
... Surface Attack and Contamination Protective Atmospheres Furnace Equipment Practical Heat Treatment of Superalloys Why Heat Treat? What Is Heat Treatment? Some Common Heat Treatments for Superalloys Some Nonobvious Heat Treatments Illustration Stress Relieving Full Annealing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440207
EISBN: 978-1-62708-262-4
... and heat treated ductile irons. Source: Ref 8 , 9 Fig. 11 Effect of austempering temperature on properties of ductile iron. (a) Yield strength and tensile strength vs. austempering temperature. (b) Impact strength vs. austempering temperature. Source: Ref 8 , 9 Fig. 7 Effect...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310285
EISBN: 978-1-62708-326-3
... here are primarily from AISI. It presents the classification of tool steels and discusses the principles and processes of tool steel heat treating, namely normalizing, annealing, hardening, and tempering. Various factors associated with distortion in several tool steels are also covered. The chapter...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440141
EISBN: 978-1-62708-262-4
... , American Society for Metals , 1977 , p 152 10. Carburizing and Carbonitriding , American Society for Metals , 1977 , p 128 11. Dossett J.L. , Carbonitriding , Heat Treating , Vol 4 , ASM Handbook , ASM International , 1991 , p 376 – 386 12. Dossett J.L. , Furnace...