Bridgeport Alloy 77 is a modified copper-zinc brass having improved resistance to bio-fouling, dezincification, and other forms of copper attack. It is recommended for condenser and heat exchanger tubes for marine use. 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-111. Producer or source: Bridgeport Brass Company.