... anodizing etc., good conductivity and under high pressure Aluminum tube/pipe: 1, Material: 6060, 6005A etc. 2, Size: diameter ... 50mm-573mm, thickness: 8-50mm, length:8~12meters 3, Temper: O, T4, T5, T6 ... and H112 etc. 4, Surface treatment: mill finish, powder ... cleaning in the airport.. square aluminium pipe for train or construction