Copper Alloy No. C43500 is a tin containing brass. It has strength and ductility comparable to low brass (80% copper, 20% zinc). It has excellent cold workability. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on forming, heat treating, machining, and joining. Filing Code: Cu-565. Producer or source: Copper and copper alloy mills.