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Classification of graphite electrodes
Ordinary power graphite electrode: It is allowed to use graphite electrode with current density lower than 17A/cm2, mainly used for ordinary power electric furnaces such as steel making, silicon smelting, yellow phosphorus smelting, etc. High power graphite electrode: It is allowed to use graphite electrodes with a current density of 18-25A/cm2, mainly used in high-power electric arc furnaces for steelmaking.
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What is a graphite electrode
Graphite electrode refers to a kind of high-temperature resistant graphite conductive material made from petroleum coke and pitch coke as aggregates, coal tar pitch as binder, through raw material calcination, crushing, milling, batching, kneading, molding, roasting, impregnation, graphitization, and mechanical processing. It is called artificial graphite electrode (abbreviated as graphite electrode), which is different from natural graphite electrode prepared using natural graphite as raw material.