... Used in a variety of smelting steel, cast iron for adding carbon Common Granularity: 0-10mm ... : Used in a variety of smelting steel, cast iron for adding carbon.4. Granularity: Common Granularity: 0 ... requirements of carbon content of molten steel (iron) water, with the metal charge to join the middle or ... which affect the absorption of carbon.2) Steel (iron) water melted, adjust the carbon points, can ...