... 500mm great tube, from an outer diameter of 5mm aluminium special-shaped product on the section to 700mm's or ... , 2017, 2024, 3003, 5052, 6011, 6061, 6063, 6082, 7003, 7005, 7075. Especially No.6063 or No. 6061 is the principal alloy ... supplied by the clients. Typical chemical composition (GB/T3190) Aluminium GradeSiFeCuMnMgCrZnTiimpurityAl60630.2 ...