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preheat temperature

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Published: 01 January 1993
Fig. 5 Carbon equivalent versus minimum preheat temperature. The best-fit line shown may be represented approximately by: T = 210(C eq ) − 25, where T is the preheat temperature (°C). More
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Published: 15 June 2020
Fig. 4 Shows the effect of preheat temperature on (a) oxygen pickup, (b) exposure time on crack length and density, and (c) preheat temperature on crack length and density for an exposure time of 100 μs. Source: Ref 19 More
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005645
EISBN: 978-1-62708-174-0
... Abstract This article is a compilation of tables that provide information on preheat and interpass temperatures and the postweld heat treatment for selected carbon steels, as well as steel pressure vessels and pipe welds. Information is also provided for preheat and interpass temperatures...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001406
EISBN: 978-1-62708-173-3
... the influence of welding procedure factors on the weldment properties. These procedure factors include preheat temperature, interpass temperature, postweld heat treatment, and heat input. carbon steel heat input heat-affected zone interpass temperature low-alloy steels post weld heat treatment...
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Published: 01 January 1993
Fig. 9 Plot for selecting preheat, interpass, and postweld soak temperatures for fully hardened carbon steels using hydrogen control method. Source: Ref 7 More
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Published: 01 January 2005
Fig. 32 Predicted temperature profiles for beryllium strip preheated to 760 °C (1400 °F). Source: Ref 76 , 68 More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001402
EISBN: 978-1-62708-173-3
...-expensive fluid as a cover layer. These machines also lacked a preheating capability, which was found to be necessary in order to reduce the temperature differential at the point of solder melting. This measure prevents wicking and other undesirable characteristics that can develop when one part of a solder...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001433
EISBN: 978-1-62708-173-3
... structural steels, most steel producers recommend the use of low-hydrogen electrodes. However, the use of electrodes that are not low in hydrogen may be acceptable in some applications, if the parts are relatively thin and the joints are not restrained or if a higher preheating temperature can be used. Gas...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006576
EISBN: 978-1-62708-290-7
... to the bulk. This hardness gradient was attributed to tempering of martensite in the bulk due to repeated thermal cycling during LPBF ( Ref 14 ). Mertens et al. conducted an in-depth study on the effect of substrate preheat temperature on the microstructure and tensile properties of H13. They reported...
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Published: 01 January 1993
Fig. 8 Plot used to obtain heat input/preheat combinations for specific carbon equivalents. The scales A, B, C, and D refer to the level of diffusible hydrogen as certified by the electrode manufacturer. Source: Ref 7 Line Minimum preheat temperature °C °F 1 175 345 2 More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001405
EISBN: 978-1-62708-173-3
... to accelerate the escape of hydrogen and still avoid the temperature range within which HIC is likely. Such thermal treatments are excellent candidates for welded components that are small enough to be preheated in a furnace prior to welding and returned to the furnace immediately after welding for a period...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005345
EISBN: 978-1-62708-187-0
... tends to decrease. The requirement for preheat generally applies to cast steels with carbon contents over 0.30%, and the recommended preheat temperatures typically vary from 120 to 205 °C (250 to 400 °F). Cast Stainless Steels Many of the corrosion-resistant types of cast stainless steels...
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Published: 01 January 2005
Fig. 7 Typical “on-cooling” Gleeble curves of specimen reduction of area as a function of test and preheat temperatures with typical hot-workability ratings indicated More
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Published: 15 June 2020
Fig. 3 Shows the change in stress from compressive to tensile with increasing preheat temperature for LPBF of H13 tool steel. Source: Ref 17 More
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Published: 01 January 2005
¯ ˙ ≈ 30   s − 1 ) . Specimen preheat temperature, die temperature, and dwell time were 913 °C (1675 °F), 191 °C (375 °F), and 14 s, respectively. Reductions were (a) 25% and (b) 53%. Source: Ref 42 More
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Published: 31 October 2011
Fig. 21 Process-microstructure map for alloy CMSX-4 that reveals the semiquantitative relations between heat-source travel speed ( V b ), power ( P ), preheat temperature ( T o ), and the type of dendrite growth. Source: Ref 12 More
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017