ALUMINUM 6063 is an age-hardenable extrusion alloy with excellent working properties especially in the annealed condition. It has excellent resistance to corrosion in all tempers. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Al-42. Producer or source: Various aluminum companies. Originally published August 1956, revised January 1974.