... -ferrous, silicon and phosphorous industry. Grade: Regular Power(RP) Graphite electrode:Grade: RP Technical SpecificationItemGraphite ElectrodeRemarkGradeRPDiameter3",4",5",6",8",10",12 ... (not greater than)9.3Gpa14Gpa -NippleAsh(not greater than)0.3%CTE(100-600)(not greater than)2.9x10-6/CoCurrentCarryingCapacity1000 ...