Alloy 6063, one of the most popular alloys in the 6000 series, provides good extrudability and a high-quality surface finish. Alloy 6063 is used in a variety of architectural applications. This datasheet provides information on composition, physical properties, hardness, tensile properties, and shear strength. It also includes information on heat treating, machining, and surface treatment. Filing Code: AL-392. Producer or source: Alcoa Engineered Products.