Direct Forge 6069 is a Mg-Si-Cu age-hardenable aluminum alloy. Tensile strength in the T-6 condition is approximately 40% higher than that of 6061 alloy with similar corrosion resistance. Applications include light wall bicycle frames and seamless gas cylinders. This datasheet provides information on composition, physical properties, and tensile properties as well as fracture toughness and fatigue. It also includes information on corrosion resistance as well as heat treating and joining. Filing Code: AL-374. Producer or source: Northwest Aluminum Company.