COPPER ALLOY No. 655 is a high-silicon copper alloy which has good mechanical properties and corrosion resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fracture toughness and creep. It also includes information on low temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-248. Producer or source: Copper and copper alloy mills.