Abstract

AISI 4047 is a molybdenum (0.20-0.30%) alloy steel of moderate hardness and strength. It has good toughness in the quenched-and-tempered condition because it is relatively free from temper embrittlement when tempered in the susceptible range of approximately 850-1100 F. The automotive industry comprises one of its applications. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-329. Producer or source: Alloy steel mills and foundries.

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