Appendix 1a: ASTM Standard A255-89 Method for Calculating Hardenability from Composition
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Published:1996
Abstract
This chapter discusses the method for calculating hardenability from composition. It contains tables listing multiplying factors, carbon content, initial hardness, and 50% martensite hardness. The tables also list Jominy distance for 50% martensite vs. DI (in. and mm), boron factors vs. % carbon and alloy factor, and distance hardness dividing factors for non-boron and boron steels (in. and mm).
ASTM Standard A255-89 Method for Calculating Hardenability from Composition, Principles of the Heat Treatment of Plain Carbon and Low Alloy Steels, By Charlie R. Brooks, ASM International, 1996, p 389–401, https://doi.org/10.31399/asm.tb.phtpclas.t64560389
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