ALCAN 57S is a medium strength wrought aluminum alloy having excellent resistance to corrosion especially by salt water. It is not heat treatable. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Al-79. Producer or source: Aluminum Company of Canada Ltd.