Armco 201 stainless steel is a non-hardenable austenitic chromium-nickel-manganese stainless steel that is capable of easily attaining high tensile strengths while maintaining excellent ductility when moderately or severely cold worked. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-809. Producer or source: AK Steel Inc.