... 2.Low power dissipation 3.Stable operation High efficiency DC electric ARC furnace Purpose: * The temperature is more than 2000oC (Automatic ... Silicon carbide, Casting iron, Fine carbon steel & Wolfram(W) etc.* Dislodge impurities of steel, such as Sulfur and Phosphorus.* Making the furnace ... dislodge most of the impurities of steel, such as phosphorus, sulfur, oxygen and so on, so as to improve the ...