extruded aluminum tube 1.out dia 20-250mm 2.wall thk 3-20mm ... 6A02,3003,etc 4.top quality,reasonable price extruded aluminum tube 1.Specifications PRODUCTaluminum tubeALLOY1060,2A12,3003,3A21,5A02,5052,6063 ... ,6061,6A02 OUT DIAMETER 20-250mmWALL THICKNESS 3-20mmSHAPE round, square ,oval, flat ect STANDARD GB/T 3880-2006APPLICATION ... 87866700.I will reply you soon 35mm,20mm extruded aluminum tube