China Fine Grained Grpahite Rod High Carbon Rod Electrode Fine Texture Graphite

SpecificationsRP grade graphite electrode
Item Unit Regular-powePost-Press Equipment r Impregnated
φ 75-130 φ 150-225 φ 250-300 φ 350-500 φ 75-200 φ 250-350 φ 400-500
Specific Resistance (≤ ) E μ Ω @m 8.5 9 9 9 8 8 8
N 8 8 8 8 7.5 7.5 7.5
Bending Strength (≥ )
E MPa
9.8 9.8 7.8 6.4 10 9 8
N 13 13 13 13 15 15 15
Elastic ModuHome Hardware lus (≤ )
E GPa
9.3 9.3 9.3 9.3 12 12 12
N 14 14 14 14 14 14 14
Bulk Density (≥ )
E g/cm3
1.58 1.52 1.52 1.52 1.58 1.58 1.58
N 1.63 1.63 1.68 1.68 1.68 1.68 1.68
C. T. E. (≤ )(100-600° C)
E 10-6/° C
2.Bearing 9 2.9 2.9 2.9 2.7 2.7 2.7
N 2.7 2.7 2.8 2.8 2.5 2.5 2.5
Ash(≤ ) % 0.5 0.5 0.5 0.5 0.3 0.3 0.3HP and UHP graphite electrode
Item Unit High-power Super high-power Ultra high-power
φ 200-400 φ 450-500 φ 350-400 φ 450-500 φ 300-400 φ 450-500
Specific Resistance(≤ ) E μ Ω @m 7 7.5 6.5 7 6.2 6.5
N 6.5 6.5 6 6 5.5 5.5
Bending Strength (≥ )
E MPa
10.5 9.8 10.5 10 10.5 10
N 15 15 16 16 16 16
Elastic Modulus (≤ )
E GPa
12 12 13 13 14 14
N 16 16 17 17 18 18
Bulk Density (≥ )
E g/cm3
1.6 1.6 1.62 1.62 1.65 1.64
N 1.7 1.7 1.71 1.71 1.72 1.72
C. T. E. (≤ )(100-600° C)
E 10-6/° C
2.4 2.4 2.2 2.2 1.5 1.5
N 2.2 2.2 1.8 1.8 1.4 1.4
Ash(≤ ) % 0.3 0.3 0.3 0.3 0.3 0.3GradeGXKTXKBulkDensityMing/Stone Processing Machinery cm31.781.72MaxGrainSizemm0.82AshPPM30003000SpecificResistivity(μ.Ω.M)≤7≤8FlexuralStrElectronic Tube & Transistor ength(MPa)1917CompressiveStrength(MPa)4744