Product Description
China manufacturer Graphite Electrodes for Arc furnace
Grade: RP,HP,UHP
Diameter:300mm 350mm 400mm 450mm 500mm 550mm 600mm (12inch,14inch,16inch,18inch,20inch,24 inch)
Length: 1800/2100/2400mm
Nipple: 3TPI, 4TPI, 4TPIL
Material: Made of high quality PC, NC and coal tar pitch, appreciated by many foreign clients.
Specification
Physical Properties
| Unit | RP Grade (Dia.50-600mm) | HP Grade (Dia.200-600mm) | UHP Grade (Dia.200-600mm) | |
Electrical Resistance≤ | Electrode | μΩ-m | 8.0 | 7.0 | 6.0 |
Nipple | 6.5 | 5.5 | 5.0 | ||
Bending Strength≥ | Electrode | Mpa | 11.0 | 12.0 | 12.0 |
Nipple | 14.0 | 14.0 | 16.0 | ||
Elastic Modulus≤ | Electrode | Gpa | 9.0 | 12.0 | 12.0 |
Nipple | 12.0 | 14.0 | 14.0 | ||
Bulk Density≥ | Electrode | g/cm3 | 1.58 | 1.66 | 1.68 |
Nipple | 1.70 | 1.72 | 1.73 | ||
C.T.E≤ | Electrode | ×10-6/°C | 2.7 | 2.5 | 1.4 |
Nipple | 2.5 | 2.2 | 1.3 | ||
Ash≤ | Electrode | % | 0.30 | 0.30 | 0.20 |
Nipple | |||||
Applications
Electrodes in electric arc furnace and ladle refining furnace for steel making;
Electrodes in electric smelting furnace for producing industrial silicon, yellow phosphorus, corundum and so on.
Programmable properties
Good electrical conductivity.
High resistance to thermal shock
High mechanical strength
