Uranus 31 is a super-austenitic steel with very high nickel, chromium, and molybdenum content. 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, and joining. Filing Code: SS-1191. Producer or source: Industeel USA, LLC.