| Customization: | Available |
|---|---|
| Carbon Content: | High-Carbon |
| Type: | Graphite Electrodes |
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| Standard for Ultra High Power Graphite Electrodes and Nipples | ||||
| Items | Name | Unit | Nominal diameter (mm) | |
| 200-300 | 350-600 | |||
| Specific resistance | Electrode | μΩ .m | 4.8-5.5 | 4.8-5.6 |
| Nipple | 3.6-4.5 | 3.6-4.5 | ||
| Transverse strength | Electrode | MPa | ≥11.0 | ≥11.0 |
| Nipple | ≥18.0 | ≥18.0 | ||
| Elastic module | Electrode | GPa | ≤13.0 | ≤13.0 |
| Nipple | ≤17.0 | ≤17.0 | ||
| Ash content | Electrode | % | ≤0.3 | ≤0.3 |
| Nipple | ≤0.3 | ≤0.3 | ||
| Bulk density | Electrode | g/cm³ | 1.67-1.72 | 1.65-1.72 |
| Nipple | 1.75-1.82 | 1.75-1.82 | ||
| C.T.E (100-600)ºC |
Electrode | 10-6/ºC | ≤1.5 | ≤1.5 |
| Nipple | ≤1.4 | ≤1.4 | ||
| Allowale Current of Ultra High Power Graphite Electrodes | ||
| Nominal diameter (mm) | Allowable current (A) | Current density (A/cm2) |
| 200-300 | 13000-22000 | 20-30 |
| 350-600 | 20000-72000 | 19-24 |
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