... .5%Size:0-0.2, 0.2-1, 0.3-1, 1-4, 1-5, 1-6, 4-10, 5-10, 1-8, 4-8, etc. Electric calcined Carburizer (Artificial Graphite ... /synthetic graphite)Index9(1-5mm)10(1-5mm) F.C (Min ... .5%Size:0-0.2, 0.2-1, 0.3-1, 1-4, 1-5, 1-6, 4-10, 5-10, 1-8, 4-8, etc. Remark:The above mentioned grain ...