Square steel tube OD:20*20~250*250mm Thickness :1mm-15mm Material :Q195-Q235 Length :4m-12m

Product:square steel pipe

Material:Q235,Q345,20#,ST37,ST44,ST52 and so on

Specification:30*30-600*600 the wall thickness between :2-25mm

square steel pipe can be used in construction structure ,machinery ,container ,hall structure ,airport structure ,shipbuilding

500mm*500mm*8mm~25mm

 140mm*140mm*4mm~14mm

135mm*135mm*4mm~14mm

130mm*130mm*4mm~12mm

450mm*450mm*8mm~25mm

 120mm*120mm*4mm~12mm

400mm*400mm*8mm~25mm

 110mm*110mm*4mm~12mm

350mm*350mm*8mm~25mm

 100mm*100mm*4mm~12mm

300mm*300mm*8mm~25mm

 80mm*80mm*4mm~12mm

280mm*280mm*8mm~25mm

 60mm*60mm*4mm~12mm

250mm*250mm*8mm~25 mm

50mm*50mm*4mm~12mm

220mm*220mm*8mm~25mm

 40mm*40mm*4mm~10mm

200mm*200mm*8mm~25mm

 30mm*30mm*2mm~6mm

180mm*180mm*7mm~20mm

 20mm*20mm*2mm~4mm

160mm*160mm*5mm~16mm

150*150*5~14

Square steel tube