graphite

Regular Power(RP)High Power(HP)Ultral High Power (UHP)Graphite Electrodes Graphite Electrodes Graphite Electrodes Graphite Electrodes Bulk Density ≥1.55g/cc ≥1.65g/cc ≥1.68g/cc Specific Resistivity ≤8.0µΩ.m ≤ 6.8µΩ.m ≤ 5.8 µΩ.m Flexural Strength ≥10.0MPa ≥11.0MPa ≥12.0MPa Elastic Modulus ≤10.0GPa ≤12.0GPa ≤14.0GPa Co-efficient of Thermal Expansion ≤2.4 x 10-6/°C ≤2.2 x 10-6/°C ≤1.9 x 10-6/°C Ash ≤ 0.5% ≤ 0.3% ≤ 0.3% Nipples Nipples Nipples Nipples Bulk Density ≥1.65g/cc ≥1.72g/cc ≥1.75g/cc Specific Resistivity ≤ 6.5µΩ.m ≤ 5.5µΩ.m ≤ 4.5 µΩ.m Flexural Strength ≥12.0MPa ≥14.0MPa ≥16.0MPa Elastic Modulus ≤12.0GPa ≤16.0GPa ≤18.0GPa Co-efficient of Thermal Expansion ≤2.0 x 10-6/°C ≤1.8 x 10-6/°C ≤1.4 x 10-6/°C Ash ≤ 0.5% ≤ 0.3% ≤ 0.3%