EMPIRE IS0-40 is a precipitation-hardenable stainless steel for castings resistant to corrosion, stress-corrosion cracking and erosion-corrosion. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and fatigue. It also includes information on high temperature performance and corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: SS-278. Producer or source: Empire Steel Castings Inc..