High Quality Carbon Steel Round Pipe Welded Cold Rolled Seamless Steel Pipe Round Tubes Steel Pipe

Shape Round pipe Square pipe Rectangular pipe Outer diameter 17-1820mm 10*10-1000*1000mm 5*10-600*800mm Wall thickness 0.5-50mm 0.5-50mm 0.5-50mm Part of sizes commonly used 10*10*0.5mm 50*50*16mm 50*50-100*100*(1.0mm~20mm) 100*100-300*300*(1.0mm~50mm) 300*300-600*600*(2.0mm~50mm) 100*100*12mm 135*135*(10mm~12mm) 170*170*(1.5mm~20mm) 180*180*(1.5mm~20mm) 220*220*(2.0mm~25mm) 280*280*(2.0mm~25mm) 320*320*(2.0mm~30mm) 380*380*(4.0mm~36mm) 430*430*(6mm~40mm) 500*500*(8mm~50mm)