... for special steel and ductile iron high carbon, low sulphur1.Specification: Graphite Powder Graphite Micro-Powder F.C ... 0.5% Size:-325mesh,-200mesh,-100mesh,20-200mesh,ect. Graphitized Petroleum CokeArtificial GraphiteScrapeCarburizerF.C (Min)99%98.5%98%S ... called artificial graphite scraps, characterized by high carbon, low sulphur, low nitrogen, causing less slag in the furnace. The finished ...