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Graphite Electrode

 A type of electrode that carries electricity to melt scrap iron and steel, in electric arc furnace and steel furnaces. Their size can vary up to 11 ft. long and 30 in. in diameter. They are made from petroleum coke after it is mixed with coal tar pitch, extruded and shaped, baked to carbonize the binder (pitch), and then graphitized by heating it to temperatures approaching 3000 °C that converts carbon to graphite.

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