high quality aluminium round tube 1.6063,6061,6082,6463,6013 2.Diameter:6-350 mm ... thickness:>0.5 mm 3.OEM sevice high quality aluminium round tube1.6063,6061,6082,6463,60132.Diameter:6-500 mm ... 15Rest60050.6-0.90.35<0.1 <0.1 0.40-0.6 <0.1 <0.1 <0.1 <0.15RestExamples6063-T5 aluminium tubeT5 ... 5XXX,6XXX,7XXXTemper: O, H24, T4,T6,H18,H112,H34 1)Round Tube OD:6mm-200mm Wall thickness:0.5mm-32.5mm2)Square ...