Carbon Structure Steel Bar Grade:1008-1572 series by ASTM,St12, ... ,3,4,080M30-50 series by BS,SPH Carbon Structure Steel BarWe are professional of supplying carbon structure steel cold draw and extruded ... ,Ck40,Ck45,Ck50,60,67,15Mn3,21Mn4,30Mn4,36Mn4,40Mn4By BS:040A10,12,040A12,080A15,20,070M26,080M30,36,40,46 ... JIS:SPHD3.Size: Dia 1-400mm 4.Packing: exporting packing Carbon Structure Steel Bar