WRM alloy 4112 is a modified copper-zinc-tin (Cu-Zn-Sn) alloy with improved conductivity, high strength, and improved forming ability. Typical applications are lead frames and contact springs. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: CU-637. Producer or source: Waterbury Rolling Mills Inc.