Copper Alloy No. 280 is a 60-40 copper-zinc alloy having good strength but low ductility. It has good hot working properties and good general resistance to corrosion. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-282. Producer or source: Copper and copper alloy mills.