China High Pure Density Carbon Block, Graphite Block, Graphite Raw Materials for Steel Mills, Powder, Mould, Sheet, Find details about China Graphite Electrodes, Stock Graphite Electrodes from High Pure Density Carbon Block, Graphite Block, Graphite Raw Materials for Steel Mills, 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 |