Lucefin Group 42CrMo4 and 42CrMoS4 are medium-carbon, 1% chromium-molybdenum, direct hardening, alloy steels that are also suitable for flame hardening, induction hardening, and nitriding. These steels are medium hardenability steels in the 0.40 to 0.42 mean carbon content classification. In general, they are used for medium and large size parts requiring high strength and toughness. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, machining, and joining. Filing Code: SA-861. Producer or source: Lucefin S.p.A.

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