China Graphite Electrode Manufacturer for Steel Mills, Block, Powder, Mould, Sheet, Find details about China Graphite Electrodes, Stock Graphite Electrodes from Graphite Electrode Manufacturer for Steel Mills, Block, Powder, Mould, Sheet
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 |