... , smoke less, a good operating environment; 3, reliable operation Iron Smelting Furnace (include IF electric furnace, main frequency electric furnace ... ).This series products use the 200-2500Hz IF power supply for induction heating, 30-8000KW, Capacity : 1KG-20Tons,mainly ... steel, stainless steel, special steel, can also be used for copper, aluminum, and other non-ferrous metals. Iron Smelting furnace