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From：SINCERITY TRADE CARBON CO., LTD Author：Sincerity Carbon Tags：Sincerity Carbon
| Standard for HP Graphite Electrodes and Nipples | ||||
| Items | Name | Unit | Nominal diameter (mm) | |
| 200-300 | 350-600 | |||
| Specific resistance | Electrode | μΩ .m | 5.2-6.5 | 5.5-6.8 |
| Nipple | 4.8-5.2 | 4.8-5.0 | ||
| Transverse strength | Electrode | MPa | ≥11.0 | ≥11 |
| Nipple | ≥16.0 | ≥16.0 | ||
| Elastic module | Electrode | GPa | ≤11.0 | ≤11.0 |
| Nipple | ≤15.0 | ≤15.0 | ||
| Ash content | Electrode | % | ≤0.3 | ≤0.3 |
| Nipple | ≤0.3 | ≤0.3 | ||
| Bulk density | Electrode | g/cm³ | 1.64-1.70 | 1.63-1.70 |
| Nipple | 1.73-1.79 | 1.73-1.79 | ||
| C.T.E （100-600）℃ |
Electrode | 10-6/℃ | ≤2.4 | ≤2.4 |
| Nipple | ≤2.2 | ≤2.2 | ||
| Allowable Current of HP Graphite Electrodes | ||
| Nominal diameter (mm) | Allowable current (A) | Current density (A/cm2) |
| 200-300 | 13000-17400 | 17-24 |
| 350-600 | 17400-58000 | 15-23 |
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