SANDVIK 8R40 is an austenitic, columbium stabilized stainless chromium-nickel steel for use at temperatures up to 850 C (1560 F). This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-590. Producer or source: Sandvik.