COPEL is a copper-nickel alloy having excellent mechanical and electrical properties. It is recommended for use in electrical instruments and similar apparatus where mechanical stability and a known low coefficient of resistance are required. 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-170. Producer or source: Hoskins Manufacturing Company.