... smelting furnace, increasing the carbon content of molten iron, one can reduce the oxygen content of molten iron, on the other hand, more important ... Smelting method similar to conventional Cupola Melting: the use of pig iron, scrap, steel scrap, iron alloy such as metal charge; synthetic cast ... by using less or replace to greatly reduce the cost of pig iron scrap. Popular to say, by carbon agent, we ...