China UHP Graphite Electrode Sales for Steel Making Supplier Industry High Quality for Steel Mills, Block, Powder, Mould, Find details about China Graphite Electrodes, Stock Graphite Electrodes from UHP Graphite Electrode Sales for Steel Making Supplier Industry High Quality for Steel Mills, Block, Powder, Mould
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 |