AMPCOLOY 522 is a wrought copper-nickel-iron alloy characterized by high strength and ductility, and by its excellent resistance to corrosion, especially in saline waters. It is well suited for temperatures up to 700 F. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-363. Producer or source: Ampco Metal Inc..