Kaiser Alloy 6063 is a magnesium/silicon alloy. One of the most popular of the heat treatable alloy group. Products include extruded and drawn tube, pipe, rod, bar, and profiles. This alloy has good corrosion resistance, good weldability, and a good anodizing response. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on corrosion resistance as well as forming and joining. Filing Code: Al-436. Producer or source: Kaiser Aluminum. See also Alloy Digest Al-458, July 2019.