Aluminum 5557 is an aluminum alloy having good bright finishing characteristics. It has good formability and weldability. It is recommended for finishing and decorative applications. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Al-176. Producer or source: Aluminum Company of America.