UHP graphite electrode

ltemunit(mm)Nominal DiameterYB/T4090-2000LISHAN-UHP300,350,400450-500350-400450-500550-600Electric ResistivilyElectrodeμΩ m≤6.2≤6.54.8-6.04.8-6.25.0-6.2Nipple≤5.5≤5.53.5-4.53.8-4.53.8-4.5 Bending stregthElectrodeMpa≥10.5≥10.0≥12.0≥11.0≥11Nipple≥18≥18≥18≥18≥18 Elastic modulucElectrodeGpa≤14.0≤14.0≤14.0≤14.0≤14.0Nipple≤18.0≤18.0≤18.0≤18.0≤18.0 Bulk densityElectrodeg/cm3≥1.65≥1.641.65-1.721.66-1.741.66-1.74Nipple≥1.72≥1.701.76-1.781.76-1.821.78-1.82 AshElectrode%≤0.3≤0.3≤0.3≤0.3≤0.3NippleCTE (100-600)°CElectrode10-6/°C≤1.5≤1.51.20-1.401.20-1.401.2-1.40Nipple≤1.4≤1.41.0-1.201.0-1.201.0-1.20 Nominal Diameter Cross Sectional AreaYB/T4090-2000LISHAN-UHP Current Carrying Capacity Current Density Electrical are furnace Refiners furnaceCurrent DensityCurrent Carrying Capacity Current Densityinmmcm3AA/cm3AA/cm3AA/cm31435097320000-3000020-3023000-3200024-3326000-3500027-3616400127525000-4000019-3028000-4100022-3231000-4400024-3418450162232000-4500019-2734000-4850021-3036000-4950022-3120500200038000-5500018-2740000-5800020-2942000-6050021-3022550242746000-6500019-2749000-7000020-2924600289252000-7500018-2656000-8100019-28