Black square pipe is made of cold-rolled or hot-rolled steel strip by
cutting, welding and other processes. Through these processing processes, the
black square tube has a high strength and stability, and can withstand greater
pressure and loads.
name:Square & Rectangular Steel Tube
material: Q195、Q215、Q235
Square tube outside diameter :15*15、20*20、25*25、30*30、35*35、40*40、50*50、60*60、70*70、80*80、90*90、100*100、110*110、120*120、130*130*、140*140、150*150
wall thickness: 0.5mm-25mm
Rectangular tube outer diameter:10*20、15*20、15*30,16*36,18*38,20*30、20*40、 25*40,25*50,30*40、30*50、30*60、30*70,30*90,40*50、40*60、40*80、40*100, 50*70、50*75,50*80、50*90、60*90、60*80、75*45、100*40、100*50、100*60、100*80、100*120,100*150、120*50、120*60、120*80
wall thickness: 0.5mm-25mm
length:The conventional length is 6m-12m and can be customized.
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