Graphite electrode refers to CPC,NC as aggregate, coal tar for adhesives, after raw material calcined, broken flour, ingredients, kneading, molding, roasting, soaking, graphitization and mechanical processing and made of a kind of high temperature resistance of graphite conductive material, the product has low resistivity, good electrical conductivity, low ash content, compact structure, good oxidation resistance, high mechanical strength, is the electric arc Best conductive material for furnaces and smelting furnaces.
| ltem |
Unit | Nominal Diameter , mm |
| UHP | HP | RP |
| 300-500 | 550-800 | 200-500 | 550-800 | 75-600 | 650-800 |
| Ressitivity | Electrode | μΩm | 4.8-6.0 | 4.5-6.5 | 4.5-7.0 | 5.0-7.5 | 6.0-9.0 | 8.5-10.5 |
| Nipple | 3.5-5.0 | 3.5-5.0 | 3.5-5.5 | 3.5-5.5 | 4.0-7.5 | 4.0-7.5 |
| BendingStrength | Electrode | Mpa | 10.0-14.0 | 10.0-14.0 | 10.0-13.0 | 10.0-13.0 | 8.0-12.0 | 8.0-12.0 |
| Nipple | 20.0-24.0 | 22.0-26.0 | 18.0-20.0 | 20.0-23.0 | 18.0-20.0 | 20.0-22.0 |
| Young`s modulus | Electrode | G Pa | 9.0-13.0 | 10.0-14.0 | 8.0-10.0 | 9.0-12.0 | 7.0-9.0 | 8.0-10.0 |
| Nipple | 15.0-18.0 | 16.0-19.0 | 14.0-15.0 | 15.0-16.0 | 12.0-14.0 | 12.0-14.0 |
| Bulk Density | Electrode | g/cm3 | 1.68-1.74 | 1.68-1.74 | 1.66-1.72 | 1.66-1.72 | 1.58-1.68 | 1.58-1.68 |
| Nipple | 1.77-1.82 | 1.78-1.84 | 1.74-1.80 | 1.74-1.80 | 1.70-1.74 | 1.70-1.74 |
| CTE(100-600°C) | Electrode | 10-6/ºC | 1.1-1.4 | 1.1-1.4 | 1.6-1.9 | 1.6-1.9 | 2.2-2.8 | 2.2-2.8 |
| Nipple | 0.9-1.2 | 0.9-1.2 | 1.1-1.4 | 1.1-1.4 | 2.0-2.5 | 2.0-2.5 |
| Ash | % | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.5 | ≤0.5 |
