Olin C654 is a 95.4Cu-3.0Si-1.5Sn-0.1Cr bronze alloy with high strength, good formability, and stress-relaxation resistance. Uses include springs and connectors. 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, and joining. Filing Code: CU-647. Producer or source: Olin Brass.