Supply scope of 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 |