... efficiency DC electric ARC furnace 1.Small type & Low power dissipation 2.Low power dissipation 3.Stable operation High efficiency DC electric ARC furnace ... carbide, Casting iron, Fine carbon steel & Wolfram(W) etc.* Dislodge impurities of steel, such as Sulfur and Phosphorus.* Making the furnace ... most of the impurities of steel, such as phosphorus, sulfur, oxygen and so on, so as to improve the ...