rectangular or square pipe for container rack

rectangular or square pipe for container rack Square Tube Dimension 20mm*20mm-1000*1000mm Rectangular Tube Dimension 20mm*30mm-600mm*1000mm Thickness 2mm-35mm Length 6m-12m or as per customer’s requirements Standards DIN,EN10210,EN10219,GB/T3094-2000,ASTM A500,JIS G 3466,GB/T6728-2002 Steel Grades Q195, Q235, Q345(16Mn), STKR400/490, A500, ST37/44/52, S235, S275, S355, etc. Surface Treatment anti-rust oil, black painting, galvanizing Packing in bundles with steel strips or in