Square Hollow Sections

Commodity Name:Rectangular Pipe Steel Gread:Q195-Q345 Surface Finish:Black,Blank,Bright,and Galvanized. 20*40*(0.5-1.8)mm 30*40*(0.5-3.0)mm 25*50*(0.5-2.2)mm 30*50*(0.5-4.0)mm 30*60*(0.5-4.0)mm 40*50*(1.7-4.0)mm 40*60*(1.5-6.0)mm 50*70*(1.5-5.0)mm 40*80*(1.5-5.0)mm 60*80*(1.7-5.0)mm 100*40*(1.7-5.0)mm 50*100*(1.5-5.0)mm 50*120*(1.5-5.0)mm 60*100*(1.5-6.0)mm 60*120*(1.5-6.0)mm 80*100*(1.5-6.0)mm 80*120*(1.7-6.0)mm 75*125*(1.7-6.0)mm 80*160*(2.5-6.0)mm 100*150*(2.5-6.0)mm 300*60000*(6.0-16.0)mm 200*400*(3.0-13.0)mm and any other special dimensions are available Length:6m,12m,or as per customers special requirements Tolerance of outer diameter:within +_0.5mm