... quality ,fast delviery time enjoy good reputation. ParameterUnitREGULAR POWER (RP)HIGH POWER (HP)ULTRA HIGH POWER (UHP)150-400MM450-500MM150-400MM450-600MM300 ... /°C(max)2,52,42,52,42,22,02,22,01,51,41,51,4Ash%(max)0,300,300,250,250 ... ;• Sufficient stock in seaports to ensure competitive price&fast delivery; RP/HP/ UHP Graphite Electrode Dia.200-600mm