ALCOA 7029 ALLOY sheet and extrusions are used for manufacture of bright anodized bumper face bars. ALLOY 7129, having similar mechanical properties, should be specified when a chrome-plated, painted or clear-coated finish is required. This datasheet provides information on composition, physical properties, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on corrosion resistance as well as forming, heat treating, joining, and surface treatment. Filing Code: Al-278. Producer or source: Aluminum Company of America.