AISI Type 442 is a non-hardenable ferritic chromium steel recommended for general purpose corrosion and heat resisting applications. It is magnetic in all conditions. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SS-187. Producer or source: Stainless steel mills.