... thickness:>0.5 mm 3.OEM sevice large diameter aluminium tube1.6063,6061,6082,6463,60132.Diameter:6-500 mm 3.wall thickness ... :>0.5 mm3.OEM sevice 1.Key sepcial features:Alloy :2011,2017 ... ,70750,T6,T62,T736-550(Max)>=0.410-12000Material: Aluminium alloy 6063, 6061, 6005, etcTypical chemical composition (GB/T3190)Temper: T5 ...