Minerals & Metallurgy

Graphite Electrode For Arc FurnaceProduct descriptionRaw material and process Our graphite electrode choose low ash raw material of high grade petrol coke, needle coke and coal pitch, processed with machining after calcimine adjuvant, mixing, forming, roasting , pressure impregnation and graphitization under 3000oC high temperature.Product sort Graphite electrode can be divided into ordinary power, high power and ultra high power electrode by electrode quality index.1.Graphite electrode of ordinary power Graphite electrode which allowable used current density is lower than 17A/cm2, are mainly used in ordinary power electric furnace for steel-making, silicon smelting and yellow phosphorus smelting. 2.Graphite electrode with oxidation resistant coating Graphite electrode with oxidation resistant coating has protective layer which can conduct electricity, heat resistant and anti-oxidation, reduce the electrode consume when steel-making. 3.Graphite electrode of high power Graphite electrode which allowable used current density is lower than 18-25A/cm2, are mainly used in high power arc furnace for steel-making.Characteristic of graphite electrode1.Low resistivity,2.Good conductivity,3.Low ash,4.Equality structure,5.Good oxidative stability6.High mechanical strength.?Application Steelmaking in electric arc furnace, industrial silicon furnace, phosphorus furnace, the corundum furnace Nearly 30% graphite electrodes in our country are used for exportation, and domestic demand is mainly for steel making in the electric arc furnace (35%), smelting of yellow phosphorus in submerged arc furnace(9%), abrasive (8%) and industrial silicon (5%).Demands of the other industries is small.Physical and chemical index: RP Graphite Electrode（Size：50-900*1000-2400mm）PropertiesUnitNumerical valueBulk Densityg/cm31.6-1.65Specific ResistanceμΩ-m8.5-10Ash Content%0.3-0.5Flexural StrengthMpa8-12Elastic ModulusGpa9.3-14.0C.T.E×10-6/℃2.5-2.7HP Graphite Electrode（Size：200-600*1200-2700mm）Propertie