graphite electrode RP, HP, SHP, UHP for EAF & LF graphite electrode1.grade: HP, RP, UHP (ISO9001:2001 standard) 2.diameter: 50~1300mm 3.length: 1500mm-2400mm 4.nipples: 3TPI,4TPI... ItemsPositionUnitRPHPUHPBulk DensityBodyg/cm31.58-1.651.60-1.701.64-1.76Nipple1.64-1.691.70-1.801.70-1.80ResistivityBodyμΩ·m8.5-11.06.5-7.55.5-6.5Nipple7.0-9.06.0-6.54.5-5.5AshBody%0.2-0.50.2-0.50.2-0.5Nipple0.2-0.50. ...