ARMCO 18-2 Mn is a low-nickel austenitic stainless steel that has a yield strength approximately twice that of Type 304 stainless steel as well as comparable corrosion resistance. 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, machining, and joining. Filing Code: SS-255. Producer or source: Armco Steel Corporation, Advanced Materials Division.