high quality aluminium tube 1.6063,6061,6082,6463,6013 2.Diameter:6-350 mm 3.wall thickness:>0.5 mm 3.OEM sevice high quality aluminium ... tube1.6063,6061,6082,6463,60132.Diameter:6-350 mm 3 ... 5.0 5.0Material: Aluminium alloy 6063, 6061, 6005, etcTypical chemical composition (GB/T3190)Aluminum GradeSiFeCuMnMgCrZnTiimpurityAl60630.2-0.6<0.35<0 ...