Detailed introduction to rp,hp,uhp graphite electrodes with Dia.150-600mm:
Applications: Mainly used in electric arc furnace and ladle refining furnace for steel making; in electric smelting furnace for producing industrial silicon, yellow phosphorus, corundum etc..
Specifications:
| Physical Properties | RP Grade (Dia.50-600mm) | HP Grade (Dia.50-600mm) | UHP Grade (Dia.50-600mm) | |
| Electrical Resistance (max) μΩ-m | Electrode | 8.0 | 7.0 | 6.0 |
| Nipple | 6.5 | 5.5 | 5.0 | |
| Bending Strength (min) Mpa | Electrode | 11.0 | 12.0 | 12.0 |
| Nipple | 14.0 | 14.0 | 16.0 | |
| Elastic Modulus (max) Gpa | Electrode | 9.0 | 12.0 | 12.0 |
| Nipple | 12.0 | 14.0 | 14.0 | |
| Bulk Density (min) g/cm3 | Electrode | 1.56-1.60 | 1.65-1.70 | 1.66-1.72 |
| Nipple | 1.70-1.72 | 1.72-1.74 | 1.73-1.76 | |
| C.T.E (max) ×10-6/C | Electrode | 2.7 | 2.5 | 2.4 |
| Nipple | 2.5 | 2.2 | 2.0 | |
| Ash (max) % | Electrode | 0.30 | 0.30 | 0.20 |
| Nipple |