UHP Graphite Electrode for Eaf Electric Arc Furnace
Normal Power Graphite Electrodes (NP)
Impregnation Power Graphite Electrodes (IP)
High Power Graphite Electrodes (HP)
Special Power Graphite Electrodes (SHP)
Ultra High Power Graphite Electrodes (UHP)
High Density Graphite Electrodes (HD)
Supply scope of UHP graphite electrode (in diameter):
Ф100mm – Ф700mm
| Item | Unit | Nominal Diameter | ||||||||
| UHP | HP | RP | ||||||||
| Φ300-400 | ≥Φ450 | Φ250-400 | ≥Φ450 | Φ250-400 | Φ450-600 | |||||
| Electric Resistivity | electrode | μΩ·m | ≤5.0 | ≤5.5 | ≤6.0 | ≤6.5 | ≤8.5 | ≤9.0 | ||
| Nipple | ≤4.0 | ≤4.5 | ≤5.5 | |||||||
| Transverse Strength | electrode | MPa | ≥15.0 | ≥10.5 | ≥8.0 | ≥7.0 | ||||
| Nipple | ≥24.0 | ≥20.0 | ≥16.0 | |||||||
| Young’s Modulus | electrode | GPa | ≤14.0 | ≤12.0 | ≤9.3 | |||||
| Nipple | ≤18.0 | ≤16.0 | ≤14.0 | |||||||
| Bulk Density | electrode | g/cm3 | ≥1.68 | ≥1.65 | ≥1.54 | |||||
| Nipple | ≥1.76 | ≥1.74 | ≥1.70 | |||||||
| Coefficient of thermal expansion | electrode | 10-6/ºC | ≤1.5 | ≤2.0 | ≤2.5 | |||||
| Nipple | ≤1.2 | ≤1.6 | ≤2.0 | |||||||
| Ash | % | ≤0.2 | ≤0.2 | ≤0.2 | ||||||