1.grade: UHP(ISO9001:2000 standard) 2.diameter: 200mm-500mm 3.length: 1500mm-2200mm 4.nipples: 3TPI,4TPI... Typical Specifications for Graphite ElectrodeItemsPositionUnitRPHPUHPGBulk DensityPoleg/cm31.54-1.641.60-1.651.64-1.70Pin1.64-1.691.70-1.801.70-1.75ResistivityPoleμΩ·m8.5-11.06.5-7.55.5-6.5Pin7.0-9.06.0-6.54.5-5.5AshPole%0.2-0.50.2-0.50.2-0.5Pin0.2-0.50.2-0.50.2-0.5Bending StrengthPoleMPa6. ...