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Graphite electrode is a kind of high temperature resistant graphite conductive material which mainly uses petroleum coke and needle coke as raw materials and coal pitch as binder.Graphite has high thermal conductivity and is very resistant to heat and impact.
Graphite electrode is a kind of high temperature resistant graphite conductive material which mainly uses petroleum coke and needle coke as raw materials and coal pitch as binder.Graphite has high thermal conductivity and is very resistant to heat and impact.
| ITEM | RP 250mm/ RP150 | HP 200/250/300/350/400mm | HP 450mm | UHP 450/500/550/600/650/700mm | ||||
| Electrode | Nipple | Electrode | Nipple | Electrode | Nipple | Electrode | Nipple | |
| Electrical Resistance Max. (µΩ-m) | 8 | 6 | 6.5 | 4 | 5.8 | 3.8 | 5 | 3.5 |
| Flexural Strength Min. (Mpa) | 11 | 14 | 11 | 20 | 14 | 25 | 14 | 25 |
| Elastic Modulus Max. (Gpa) | 9.3 | 13.7 | 12 | 17 | 13 | 18 | 12 | 18 |
| Bulk Density Min. (g/cm3) | 1.6 | 1.72 | 1.7 | 1.78 | 1.7 | 1.8 | 1.7 | 1.8 |
| C.T.E (100-600)℃ Max. | 2.7 | 2.5 | 2.4 | 2.2 | 1.4 | 1.2 | 1.3 | 1 |
| Ash (%) Max. | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Nominal Diameter mm | Max. Current Load A | Max Current Density A/cm2 |
| 960 | 72350 | 10 |
| 1020 | 73500 | 9 |
| 1060 | 79380 | 9 |
| 1100 | 85490 | 9 |
| 1146 | 92780 | 9 |
| 1197 | 95600 | 8.5 |
| 1250 | 104260 | 8.5 |
| 1272 | 107960 | 8.5 |
| 1305 | 113630 | 8.5 |
| 1321 | 109590 | 8 |
| 1400 | 123090 | 8 |
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