Dia. From 75-450mm, length 1800mm Our graphite electrodes are best suitable for low and medium capacity arc and ladle furnaces. Our prices are the most competitive in the industry. Regular power graphite electrodes are manufactured with high quality raw materials, including the petroleum cokes produced and the coal tar pitch, through the process of calcining, dosing, kneading, extruding, baking, graphitizing, machining etc. and nipples are manufactured with the technology of triplicate impregnation and quadruple baking.