... used in polyethylene-aluminum composite pipeline.4,extrusion:pure aluminum tube, aluminum bar style No.LY12,aluminum wire, aluminum row,Al-Ti, aluminum foil etc.Aluminum alloy material ... No.:1050,1060,1070,1100,1145,1200,1235,3003,3004,3014,3A21,5052,5005,5083,5754,5A02,6061,6063 ... :86 531 87868617QQ No.:1360174392MSN No.:sophie7216 at hotmail.com aluminum sheet 6061 6063