Sirius S12 is an austenitic stainless steel for high-temperature service. The carbon content is optimized for creep resistance, and the alloy contains additions of silicon to outperform the conventional grades in oxidation. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming and heat treating. Filing Code: SS-910. Producer or source: Industeel USA, LLC.