OUNCE Metal, also known as Composition Metal, is a cast 5% leaded bronze recommended for bearings, valves and pump bodies. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive strength as well as fracture toughness, creep, and fatigue. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: Cu-132. Producer or source: Hills-McCanna Company.