Carbon Structure Steel Bar Grade:1008-1572 series by ASTM,St12,13, ... ,080M30-50 series by BS,SPH Carbon Structure Steel BarWe are professional of supplying carbon structure steel cold draw and extruded bar ... ,080A15,20,080M30,40,47,50By JIS:SPHD3.Size: Dia 1-400mm 4.Packing: exporting packing Carbon Structure Steel Bar