... , non-ferrous, silicon and phosphorous industry. Grade: Super High Power(SHP) Graphite electrode:Grade: SHPTechnical SpecificationItemGraphite ElectrodeRemarkGradeSHPDiameter12",14",16", ... (not greater than)14Gpa18Gpa -NippleAsh(not greater than)0.3%CTE(100-600)(not greater than)1.5x10 ... -90000AChemical CompositionC:98.5%min, S:0.01%, P:0.001%, Al:0.01-0.05%StandardChinese National Standard YB-4089-92 ...