Tianjin Wanlei Steel Pipe Co., Ltd

Square and rectangular hollow structural section  ApplicationArchitectural: wall frames, partition frames, space frames, canopies, guard rails Industrial: columns and purlins, material storage racks, mine roof support system, pallets, pipe racks, conveyors Infrastructural: airport terminal buildings, bridges, bus stands, signage supporting structures, railway platforms, foot overbridges General engineering: automobile chassis, greenhouse structures, truck and bus body members, hoarding structures, amusement park, exhibition stalls, scaffoldings, furnitures Production StandardASTM A500 EN10210 GB/T 6728-2002 JIS G3101 JIS G3466 Specification Square hollow sectionSize(mm)Thickness(mm)Size(mm)Thickness(mm)Size(mm)Thickness(mm)Size(mm)Thickness(mm)15*150.6-2.016*160.6-2.018*180.6-2.020*200.6-2.025*250.6-3.030*300.8-3.034*341.0-3.538*381.0-3.540*401.0-3.548*481.2-3.550*501.2-4.060*601.2-4.070*701.2-4.075*751.2-4.080*801.2-5.090*901.2-5.0100*1001.2-6.0110*1101.2-6.0120*1202.0-6.0125*1252.0-6.0130*1302.0-6.0140*1403.0-6.0150*1503.75-8.0160*1603.75-8.0175*1754.0-8.0180*1804.0-8.0200*2004.0-12250*2504.0-12280*2804.0-12300*3004.0-12350*3504.0-12400*4004.0-12Rectangular hollow sectionSize(mm)Thickness(mm)Size(mm)Thickness(mm)Size(mm)Thickness(mm)Size(mm)Thickness(mm)10*200.6-2.014*200.6-2.015*250.6-2.020*300.6-2.020*400.6-3.020*500.6-3.025*400.8-3.025*500.8-3.030*400.8-3.530*500.8-3.530*600.8-3.530*700.8-4.040*600.8-4.040*701.0-4.040*801.0-4.040*901.0-4.040*1001.2-4.040*1201.2-5.050*701.2-4.050*801.2-4.050*901.2-4.050*1001.2-4.050*1201.2-5.050*1501.2-6.060*801.2-5.060*901.2-5.060*1001.2-5.060*1201.2-5.060*1802.0-6.060*2002.0-6.070*1402.0-6.070*1902.0-6.080*1002.0-6.080*1202.0-6.080*1602.0-6.080*1803.0-6.080*2003.0-6.085*1753.0-6.090*1903.0-6.0100*1202.0-6.0100*1252.0-6.0100*1402.0-6.0100*1502.0-6.0100*1602.0-6.0100*1803.0-6.0100*2003.75-8.0110*1404.0-6.0120*1304.0-6.0120*1404.0-6.0120*2004.0-8.0125*1354.0-8.0150*2004.0-12150*2504.0-12150*3004.0-12150*3504.0-12200*3004.0-12200*4004.0-12Surface protection 1.Bare without painting2.varnish painting, black painting3.Hot dippe galvanized4.Pre-galvanizedPacking 1.in bundles with steel strip2.Plastic woven bag for each bundle