Carbon Steel Tube These welded pipes both regular and specially shaped are our end products made by pipe mill units and matchin TYPEWELDED PIPEOUTER DIAMETER19-127MM , 15*30-50*100MM , 20*20-80*80MMWALL THICKNESS0.6-1.8MM 1.35-3.0MMSHAPE AVAILABLEROUND,SQUARE ,RECTANGLAR,OBLATE,ELLIPSESTANDARDAST Cr.B , AST Cr.C JIS SS330, JIS SPHC, JIS SPHD, DIN S185, BS 040, BS A10, BS A185, NF185MATERIALQ195, ...