Regular power graphite electrode: graphite electrode with current density less than 17A/cm 2.It is mainly used for ordinary power electric furnace, such as steel making, silicon refining and yellow phosphorus refining.
High power graphite electrode: a graphite electrode with an electric current density of 18~ 25A/cm 2.High power arc furnace mainly used in steel making.
Ultra high power graphite electrode: allow for graphite electrode with current density greater than 25A/cm 2.It is mainly used in ultra high power steel making arc furnace.
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