China HP 400X1800mm Graphite Electrode with Nipple for Steel Scrap Melting for Steel Mills, Block, Powder, Mould, Sheet, Find details about China Graphite Electrodes, Stock Graphite Electrodes from HP 400X1800mm Graphite Electrode with Nipple for Steel Scrap Melting 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 |