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core hardness

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Published: 01 January 1998
Fig. 15-8 Case and core hardness of P4 steel as a function of tempering temperature. Curves A and B are from specimens pack carburized in charcoal and cast iron chips, respectively. Courtesy of Carpenter Steel Co. More
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Published: 01 December 1999
Fig. 7.6 Effect of tempering on core hardness More
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Published: 01 December 2000
Fig. 5.3 Influence of tempering temperature on core hardness of some high alloy steels More
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Published: 01 December 2000
Fig. 5.16 Core hardness vs. bending fatigue strength of gear tooth More
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Published: 01 December 2000
Fig. 5.41 Drilling of blank for uniform core hardness More
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Published: 01 September 2005
Fig. 4 Influence of tempering temperature on core hardness of some high alloy steels More
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Published: 01 September 2005
Fig. 19 Core hardness vs. bending fatigue strength of gear tooth More
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Published: 01 September 2005
Fig. 42 Drilling of blank for uniform core hardness More
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Published: 01 December 2000
Fig. 5.14 Measurement locations of case and core hardnesses More
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Published: 01 December 2000
Fig. 5.15 Measurement locations of importance for core hardnesses More
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Published: 01 September 2005
Fig. 17 Measurement locations of case and core hardnesses More
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Published: 01 September 2005
Fig. 18 Measurement locations of importance for core hardnesses More
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Published: 01 September 2008
Fig. 41 Approximate relationship between core microstructure and hardness of a Ni-Cr-Mo carburizing steel (approximately 4% alloy content) with approximately 0.16% C. The alloy content/carbon content extension (upper right corner of the figure) permits phase percentage plots to be adjusted More
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Published: 01 December 1999
Fig. 6.7 Approximate relationship between core microstructure and hardness of a Ni-Cr-Mo carburizing steel (~4% alloy content) with ~0.16% C. The alloy content/carbon content extension (top right) permits the phase % plots to be “moved” in relation to the fixed hardness scale to approximate More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320033
EISBN: 978-1-62708-347-8
...) 870 (1600) 900–930 (1650–1700) 815–840 (1500–1550) 420 (790) (a) M s is the temperature at which martensite forms. Effect of section size on core hardness and tensile properties of carburized steels Table 5.2 Effect of section size on core hardness and tensile properties...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250163
EISBN: 978-1-62708-345-4
... is the temperature at which martensite forms. Effect of section size on core hardness and tensile properties of carburized steels Table 3 Effect of section size on core hardness and tensile properties of carburized steels Steel type, AISI Heat treatment Bar diam Core hardness, HB Tensile...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440283
EISBN: 978-1-62708-262-4
... to 8-pitch gears made mostly from 8620H steel. This procedure was used to monitor the process variation in carburizing for surface hardness, effective case depth, and core hardness. The test pin diameter chosen was based on the gear tooth thickness and the fact that the test pin center cooling rate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
..., dimensional stability, and generation of quenching and grinding cracks. They also include insufficient case hardness and improper core hardness, influence of surface carbon content and grain size, internal oxidation, structure of carbides, and inclusion of noncarbide. Details on micropitting, macropitting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900153
EISBN: 978-1-62708-350-8
... Fig. 1 Core support of the nitrided case on a forging die. Source: Ref 1 Fig. 2 Schematic cross section of an aluminum extrusion die made from H13 steel showing the bearing (wear) surface and a core with hardness of 38 to 44 HRC. Source: Ref 1 Fig. 3 Extrusion presses...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320171
EISBN: 978-1-62708-347-8
.... The carbonitrided case has better wear and temper resistance than a carburized case. For many applications, carbonitriding of low-alloy steels provides case properties equivalent to those obtained in gas carburized high-alloy steels. But the core often has low hardness. This is why the process is generally applied...