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What is Direct Electric Arc Furnace Overview about?

Direct current electric arc furnaces are mainly used in foundries and steel plants, producing temperatures of up to 3500°C through an arc between carbon electrodes. These furnaces form protective layers of slag and emit gases that are controlled. Indirect arc furnaces heat the charge only by radiation from the arc between separated electrodes, while induction furnaces use alternating magnetic fields to induce currents that heat and melt the metal.

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