Aubert and Duval CNS (35NiCr6) is a medium-carbon, nickel-chromium, direct hardening alloy steel. It is a medium hardenability steel in the 0.30 to 0.37 mean carbon content classification. This steel is frequently 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 casting. Filing Code: SA-878. Producer or source: Aubert & Duval S.A. (a member of the Eramet Group).