Bridgeport Alloy 520 is a copper-nickel alloy recommended for applications wherever impingement, general corrosion or erosion is severe or its properties at elevated temperatures are desired. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on forming, heat treating, machining, and joining. Filing Code: Cu-162. Producer or source: Bridgeport Brass Company.