CUFENLOY 30 is a 70/30 copper-nickel alloy specially cold worked and heat treated develop a desirable combination of strength, ductility, and resistance to stress corrosion. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Cu-153. Producer or source: Phelps Dodge Copper Products Corporation.