HP石墨电极

Our major products include ordinary graphite electrodes in various specifications and regular power,high-power ,ultra high power and impregnated graphite electrodes . all of them is fist class. HP Graphite Electrode 1. grade: HP 2. diameter: 100mm-800mm 3. length: 1200mm-2400mm 4. nipples: 3TPI,4TPI 5. material: petrol coke Norminal DiameterActual Diameter(D)Norminal LengthInmmMaxMinRough spot(B)8''2002052011971600/18009''2252302252221600/180010''2502562512491600/180012''3003073022991600/1800/1900/200014''3503573523491600/1800/1900/2000/220016''4004094034001600/1800/1900/2000/2200/240018''4504604544511600/1800/1900/2000/2200/240020''5005115055021800/1900/2000/2200/240022''5505625565531800/2000/2200/240024''6006136076042000/2200/2400/270026''6506636576542400/2700/300028''7007147087052400/2700/3000Electrode length and to allow deviations Unit: mm ItemUnitNorminal DiameterUHPHPRP≤Φ400≥Φ450≤Φ400≥Φ450≤Φ300≥Φ350ResistanceEμΩ·m≤5.5≤6.5≤8.5N≤4.5≤5.5≤6.5Bending StrengthEMPa≥11.0≥10.5≥9.8≥8.5≥7.0N≥20.0≥16.0≥15.0Elastic ModulusEGPa≤14.0≤12.0≤9.3N≤18.0≤16.0≤14.0Bulk DensityEg/cm3≥1.66≥1.67≥1.621.60≥1.53≥1.52N≥1.75≥1.73≥1.69CTE.E10-6/°C≤1.5≤2.4≤2.9N≤1.4≤2.2≤2.8Ash%≤0.3≤0.3≤0.5