China UHP Ultra High Power Graphite Electrodes, Graphite as Electrode Material Development in Canada, Block, Powder, Find details about China Graphite Electrodes, Stock Graphite Electrodes from UHP Ultra High Power Graphite Electrodes, Graphite as Electrode Material Development in Canada, Block, Powder
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 |