Technical Property of Graphite Electrode: Item | Unit | | 60-130 | 150-200 | 200-300 | 350-400 | 450-500 | 550-600 | Specific Resistance | Electrode | μΩm | ≤8.5 | ≤9.0 | ≤6.5 | ≤6.8 | ≤6.5 | ≤7 | Nipple | ≤6.5 | ≤5.5 | ≤5.5 | ≤5.5 | ≤5.5 | ≤5.5 | Bending Strength | Electrode | Mpa | ≥9.8 | ≥9.8 | ≥12 | ≥11 | ≥12.5 | ≥11 | Nipple | ≥13.0 | ≥13.0 | ≥15 | ≥18 | ≥17 | ≥16 | Elastic Modulus | Electrode | Gpa | ≤9.3 | ≤9.3 | ≤12 | ≤10 | ≤10 | ≤10 | Nipple | ≤14.0 | ≤14.0 | ≤16 | ≤16 | ≤16 | ≤16 | Bulk Density | Electrode | g/cm3 | ≥1.58 | ≥1.58 | ≥1.64 | ≥1.64 | ≥1.64 | ≥1.64 | Nipple | ≥1.72 | ≥1.72 | ≥1.74 | ≥1.74 | ≥1.74 | ≥1.74 | Ash Content | Electrode | % | ≤0.5 | ≤0.5 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | Nipple | ≤0.5 | ≤0.2 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | C.T.E | Electrode | 10-6/℃ | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | Nipple |
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