Copper Alloy No. C31600 is a free-machining copper-zinc-lead-nickel alloy with moderate strength and good ductility. It has fairly good electrical conductivity and an attractive, rich-looking bronze color. Its many applications include screw-machine parts, architectural fabrications, electrical connectors and hardware. 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-399. Producer or source: Brass mills.