high quality aluminium alloy tube 1.6063,6061,6082,6463,6013 2.Diameter:6-350 mm 3. ... wall thickness:>0.5 mm 3.OEM sevice high quality aluminium alloy tube1.6063,6061,6082,6463,60132.Diameter:6-500 mm 3 ... ,7A09,70750,T6,T62,T736-550(Max)>=0.410-12000Material: Aluminium alloy 6063, 6061, 6005, etcTypical chemical composition (GB/T3190)Temper: T5, T6 ...