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 ... 6063, 6061, 6005, etcTypical chemical composition (GB/T3190)Aluminum GradeSiFeCuMnMgCrZnTiimpurityAl60630.2-0.6<0.35<0.1<0.10 ... -90mmX60mm Wall thickness:1mm-5.0mm4) Wave Guide Tube Edge length:15.8mmX7.9mm-72mmX34mm Wall thickness:1mm ...