Ultra-high power electrode
Graphic Details
Artificial graphite electrodes are made of high-quality low-ash materials, such as needle coke, petroleum coke, coal tar pitch, after calcination, ingredients, kneading, pressing, roasting and impregnation, over 3000 ℃ graphitization and then mechanical processing. This product is widely used in electric arc furnace steelmaking, yellow phosphorus, industrial silicon, other alloy smelting furnace, etc., with low resistivity, good conductivity, low ash, uniform and dense structure, good oxidation resistance, high mechanical strength and so on.
Physical and chemical indexes of graphite electrode
| Ultra High Power | ||||||
| Project | Nominal diameter/mm | |||||
| 300-400 | 450-500 | 550-650 | ||||
| Resistivity/ | Mm | ≦ | Electrodes | 6.2 | 6.3 | 6.0 |
| Connector | 5.3 | 5.3 | 4.5 | |||
| Flexural strength/ | Mpa | ≧ | Electrodes | 10.5 | 10.5 | 10.0 |
| Connector | 20.0 | 20.0 | 22.0 | |||
| Modulus of elasticity/ | Gpa | ≦ | Electrodes | 14.0 | 14.0 | 14.0 |
| Connector | 20.0 | 20.0 | 22.0 | |||
| Bulk density/ | g/cm3 | ≧ | Electrodes | 1.67 | 1.66 | 1.66 |
| Connector | 1.74 | 1.75 | 1.78 | |||
| Coefficient of thermal expansion/ | 10-6/℃ | ≦ | Electrodes | 1.5 | 1.5 | 1.5 |
| Connector | 1.4 | 1.4 | 1.3 | |||
| Ash/% | ≦ | 0.5 | 0.5 | 0.5 | ||
Graphite electrode length diameter and allowable deviation
| Nominal diameter | Actual diameter | Nominal length | Actual length | |||||
| Max. | Minimum | Black leather part minimum | Allowable deviation | short ruler | ||||
| Inches | mm | |||||||
| 10 | 250 | 256 | 251 | 248 | 1600/1800/2000 | ±100 | -275 | |
| 12 | 300 | 307 | 302 | 299 | ||||
| 14 | 350 | 357 | 352 | 349 | ||||
| 16 | 400 | 409 | 403 | 400 | 1600/1800/2000/2200 | |||
| 18 | 450 | 460 | 454 | 451 | ||||
| 20 | 500 | 511 | 505 | 502 | 1800/2000/2200/2400 | |||
| 22 | 550 | 562 | 556 | 553 | ||||
| 24 | 600 | 613 | 607 | 604 | 2000/2200/2400/2700 | |||



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