Cupro Nickel, 30%-716 is a high strength copper-nickel-iron alloy for heat exchanger tubes in power plant feed water heaters, and also for oil refinery service. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, joining, and surface treatment. Filing Code: Cu-200. Producer or source: Anaconda American Brass Company.