Aluminum tube 1)Aluminum extrusion tube 2)Hardness:8-12HW 3)RoHS,ISO ... 2.Heat treatment:T5,T6 etc. 3.Processing:Extrution,cutting,CNC(Milling),Anodizing. 4.Surface treatment: including cutting, milling, ... turning, drilling, tapping, stamping and anodizing, CNC, etc.Remark:The dimensions can be modified according to customers ... . Kindly,mail us for further informations. aluminium tube