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graphite electrode:
| Unit | Nominal Diameter(mm) | ||
200-400 | 450-600 | |||
Specific Resistance (not over) | Electrode Nipple | μΩ.m | 8.55.0 | 9.05.8 |
Bending Strength (not below) | Electrode Nipple | Mpa | 7.8 13.0 | 7.8 13.0 |
Elastic Modulus (not over) | Electrode Nipple | Gpa | 9.3 14.0 | 9.3 14.0 |
Bulk Density (not below) | Electrode Nipple | g/cm3 | 1.54 1.72 | 1.54 1.72 |
CTE(100-600)0C (not over) | Electrode Nipple | 10-6/0C | 2.9 2.7 | 2.9 2.7 |
Ash (not over) | Electrode Nipple | % | 0.50.5 | 0.50.5 |
Suggested Current Carrying Capacities of graphite electrode:
| Diameter | Suggested Current-Carrying Capacities ( A ) | ||
| mm | Inch | A | A/cm2 |
| 200 | 8 | 5500-9000 | 18-25 |
| 250 | 10 | 8000-13000 | 18-25 |
| 300 | 12 | 13000-17400 | 17-24 |
| 350 | 14 | 17400-24000 | 17-24 |
| 400 | 16 | 21000-31000 | 16-24 |
| 450 | 18 | 25000-40000 | 15-24 |
| 500 | 20 | 30000-48000 | 15-24 |
| 550 | 22 | 34000-55000 | |
| 600 | 24 | 38000-61000 | |
Size of graphite electrode:
| Diameter | Length | |||||
| Nominal | Actual(mm) | Nominal | Tolerance | |||
| mm | inch | Low Spot | Min | Max | mm | mm |
| 200 | 8 | 197 | 200 | 205 | 1600 1800 | Max+100Min-100 |
| 250 | 10 | 248 | 251 | 256 | ||
| 300 | 12 | 299 | 302 | 307 | ||
| 350 | 14 | 349 | 352 | 357 | ||
| 400 | 16 | 400 | 403 | 409 | 1600,1800,2000,2200 | |
| 450 | 18 | 451 | 454 | 460 | ||
| 500 | 20 | 502 | 505 | 511 | 1800,2000.2200,2400 | |
| 550 | 22 | 553 | 556 | 562 | ||
| 600 | 24 | 604 | 607 | 613 | 2000 2200 2400 | |
Certificate of ISO9001:2000
OUR PLANT AND GRAPHITE ELECTRODE:
Packaged goods:
graphite graphite products