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Heat treating furnaces

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.t59380017
EISBN: 978-1-62708-456-7
... Abstract This chapter details the types of heat treating furnaces. It discusses energy sources and modes of heat transmission. The chapter’s focus is on the different types of batch furnaces and continuous furnaces, including box furnaces, integral-quench batch furnaces, pit furnaces, furnaces...
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 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...
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Published: 01 January 1998
Fig. 6-16 Schematic of an indirectly heated fluidized-bed heat-treating furnace. The gas enters the furnace from the Supply line on bottom left. Source: Ref 8 More
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Published: 01 March 2006
Fig. 6 Rotary hearth forging or heat treating furnace. Source: Ref 3 More
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Published: 01 December 1995
Fig. 15-10 Car bottom heat-treating furnace with miscellaneous castings More
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Published: 01 December 1995
Fig. 15-11 Continuous heat-treating furnace with water quench-tank in left foreground. Conveyor at right returns heat-treating tray and castings for unloading. More
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Published: 30 April 2024
Fig. 2.3 Cross section of large continuous type of construction heat treating furnace. Source: Ref 1 More
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Published: 01 January 1998
Fig. 6-3 Process designs for automated salt bath furnaces for heat treating of high-speed tool steels. Installations can be custom designed to meet specific customer requests. (a) Does not include a wash and rinse operation. (b) Similar to (a) but includes a wash and rinse operation More
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...
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Published: 30 April 2024
Fig. 2.1 Schematic sections through high-fired furnaces. (a) Simplest form of direct-fired heat treating furnace. (b) Principles of one form of indirect firing (muffle-type) furnace. Source: Ref 1 More
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Published: 01 December 1995
Fig. 11-3 Grand Coulee Francis runner. Picture shows runner being taken to the heat-treat furnace built at the site. More
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Published: 01 March 2006
Fig. 13 Typical heat treat alloy carburizing furnace trays. Dimensions given in inches. Source: Ref 10 More
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 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 how...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900109
EISBN: 978-1-62708-358-4
... attention must be paid to these requirements in the design, construction, and operation of furnaces used to heat treat tool steels, especially those used for hardening, where metallurgical factors become all-important. Attempting to reduce production costs by bypassing heat treatment steps will yield an end...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900111
EISBN: 978-1-62708-350-8
... to another (e.g., from nitriding to ferritic nitrocarburizing, or from carburizing to carbonitriding) ( Ref 2 ). The one major disadvantage is that it requires a fairly high volume of reactive gas to complete the process. Temperature control is exactly the same as for a conventional heat treating furnace...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.t59380039
EISBN: 978-1-62708-456-7
..., exothermic, salt, nitrogen, endothermic, ammonia, hydrogen, inert gas, and vacuum. furnace atmospheres heat treating ATMOSPHERES are widely used in a variety of processes. Depending on the heat-treating process used, furnace atmospheres may be designed to: Cleanse the surface of the product...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200197
EISBN: 978-1-62708-354-6
... their mechanical properties. These special requirements should be part of the purchasing agreement and require involvement of the casting metallurgist. Equipment used for heat treating steel castings involves a great variety of furnace configurations, handling methods, and energy sources. Car-bottom...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.t59380001
EISBN: 978-1-62708-456-7
... the process utilizing various control methods. The chapter focuses on temperature control and measurement, including a discussion about thermocouples and devices for measuring thermal and electrical conductivity. electrical conductivity heat treating heat treating furnaces process control...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050301
EISBN: 978-1-62708-311-9
... with no other alloying elements. carburizing. A process in which a heattreating furnace is used to produce a layer of iron carbide on the surface of a steel part. When quenched the layer is very hard. The case depth may be from 0.127 to 2.54 mm (0.005 to 0.100 in Steel parts can be first carburized...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.t59380061
EISBN: 978-1-62708-456-7
... Abstract This chapter discusses vacuum furnace processes and their design. The chapter focuses on the pressure levels, heating elements, pumping systems, temperature control systems, and quenching systems in vacuum furnaces. It then details specific applications of vacuum heat treating...