CEN 34Cr4 and 34CrS4 are medium-carbon, 1% chromium, direct hardening alloy steels that are also suitable for flame and induction hardening. These steels are low hardenability steels in the 0.30 to 0.37 mean carbon content classification. They are used for water-quenched parts of moderate section size and for oil-quenched parts of small section size. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, and joining. Filing Code: SA-872. Producer or source: European Committee for Standardization.

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