Copper Alloy No. C43000 is a copper-zinc-tin alloy of moderate strength and ductility. It can be hot worked readily. It has excellent cold-working characteristics and can be fabricated by the conventional cold-working processes. It is used for fuse and pen clips, weather stripping, electrical switches and springs. 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, joining, and surface treatment. Filing Code: Cu-463. Producer or source: Copper and copper alloy mills.