CARPENTER 636 is a hardenable stainless steel designed for service up to 1200 F (649 C). This datasheet provides information on composition, physical properties, 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, and joining. Filing Code: SS-294. Producer or source: Carpenter. Originally published as Alloy Digest SS-139, December 1962, revised February 1992.