Mastery of Tianjin Steel Trade Co., Ltd.: ShapeRectangular, Square, Special section shapeSize15x15mm - 800x800mm20x30mm - 600x800mmThickness1.0-40.0 mmStandardGB / T3094-2000 GB / T6728-2002ASTM A500, ASTM A106JIS G 3466, DIN EN10210, EN10219MaterialQ195, Q235B, Q345A , Q345B, Q345C 16mn square tube, Q345D Gr.A of large diameter pipe, Gr.B, Gr.C, Gr.D SS330, SS400, STK 490S185, S235JR, S235JO, S355JR, S355JO, S355J220 #, 45 #, 304 , 304L, 316,316L, and so on.TechniqueHot Rolled, Cold Rolled, ERWSurfaceOil, Galvanized, Paint, Sand blasting square tube, Acid Picking, Shot blasting, Hairline 345B square tube, BrushedLengthNo more than 15.0mPort, of Shipment QingDao, TianJin , China product performance standards:??? GB / T3094-2000 (GB) cold-shaped rectangular tube GB / T6728-2002 (GB) Cold formed hollow sections ASTMA500 (ANSI) structural carbon steel cold forming circular cross-section and profiled welded rectangular tubes and seamless rectangular tube EN10219-1-2006 (European standard)? cold formed welded structural hollow sections of non-alloy and fine grain JIS of? G? 3466 (Japanese standard) general construction with rectangular tube angle square tube plant | Guizhou square tube | accessibility provided by the Tianjin Steel Union Steel Union Co., Ltd. Mastery. Mastery of Tianjin Steel Trade Co., Ltd. (www.tjtdgl.com) (www.tdglgt.com) strong, credible, Liaocheng in Shandong steel industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving access innovative ideas will lead VAI into the brilliant and you work for a better future!