Specifications Graphite electrodediameter: 350mm-600mm (14-24 inch).Length:1800mm-2400mmnipples: 3tpi 4tpiiso9001:2000 standard Specification of uhp graphite electrode ItemsUnitNominal diameter(mm) 350-400450-600 Specific resistance(not over)Electrodenipple¦ì¦¸.M5.54.05.84.0 Bending strength(not below)ElectrodenippleMpa10.516.010.516.0 Elastic modulus(not over)ElectrodenippleGpa14.018.014.018.0 Bulk density(not below)ElectrodenippleG/cm31.671.761.671.76 Cte(100-600)0c(not over)Electrodenipple10-6/0c1.51.21.51.2 Ash(not over)Electrodenipple%0.30.20.30.2 Suggested current carrying capacities of graphite electrode: Diameter Suggested current-carrying capacities ( a ) MmInchA A/cm2 3001215000-2200020-30 3501420000-3000020-30 4001625000-4000019-30 4501832000-4500019-27 5002038000-5500018-27 5502245000-65000 6002450000-70000 Size of graphite electrode: DiameterLength NominalActual(mm)NominalTolerance Mm InchLow spotMinMaxMm Mm 350143493523571800Max+100min-100 400164004034091600, 1800, 2000, 2200 45018451454460 500205025055111800, 2000.2200, 2400 55022553556562 600246046076132000, 2200, 2400 Wood packaging