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UHP Casting Mould Welding Electrode Graphite Electrode for Arc Furnace
UHP Casting Mould Welding Electrode Graphite Electrode for Arc Furnace
High quality graphite electrode is our super featured products, diameter is from is Ø250-800mm.
Graphite electrode produced by our company has the advantages of low resistivity, high electrical
conductivity and thermal conductivity, good oxidation resistance, good thermal shock resistance,
high mechanical strength,easy to machine,etc.
Graphite electrode is widely used to smelt the steel,alloy steel and other metal or
nonmetal material in electric arc furnace.
* High density, high temperature resistance, high mechanical strength and strong chemical stability.
* The surface can be treated with anti-oxidation.
* Corrosion resistance, strong acid and alkali resistance.
* Excellent thermal shock resistance, electrical conductivity and thermal conductivity.
* Strong wear resistance and lubricating performance.
* Long service life.
Physical and chemical indexes of ordinary power graphite electrode
| Nominal Diameter(mm) | ||||||||
| 75--200 | 250--300 | 400--500 | ||||||
| Item | Classify | Unit | Superior product | First grade | Superior product | First grade | Superior product | First grade |
| A | B | A | B | A | B | |||
| electrical resistivity ≯ | electrode | μΩ.m | 8 | 9 | 8 | 9 | 8 | 9 |
| joint | 7.5 | 7.5 | 7.5 | |||||
| breaking strength≯ | electrode | M Pa | 10 | 10 | 8 | |||
| joint | 15 | 15 | 15 | |||||
| elasticity modulus≯ | electrode | GP a | 12 | 12 | 12 | |||
| joint | 14 | 14 | 14 | |||||
| volume density≯ | electrode | g/cm3 | 1.58 | 1.58 | 1.58 | |||
| joint | 1.68 | 1.68 | 1.68 | |||||
| CTE(100-600)≯ | electrode | X10-6/ºC | 2.7 | 2.7 | 2.7 | |||
| joint | 2.5 | 2.5 | 2.5 | |||||
| Ash≯ | % | 0.3 | 0.3 | 0.3 | ||||
| Note: ash and thermal expansion coefficient are reference indexe |
Physicochemical index of high power graphite electrode
| Item | Classify | Unit | Nominal Diameter(mm) | ||
| 200-400 | 450-500 | 550-600 | |||
| electrical resistivity≯ | electrode | μΩ.m | 7 | 7 | 7 |
| joint | 6 | 6 | 5.8 | ||
| breaking strength≯ | electrode | M Pa | 10.5 | 10 | 10 |
| joint | 14 | 14 | 16 | ||
| elasticity modulus≯ | electrode | GP a | 12 | 12 | 12 |
| joint | 16 | 16 | 16 | ||
| volume density≯ | electrode | g/cm3 | 1.62 | 1.62 | 1.62 |
| joint | 1.72 | 1.72 | 1.72 | ||
| CTE(100C-600C)≯ | electrode | X10-6/ºC | 2.4 | 2.4 | 2.4 |
| joint | 2.3 | 2.2 | 2.2 | ||
| Ash≯ | % | 0.3 | 0.3 | 0.3 | |
| Note: ash and thermal expansion coefficient are reference indexes |
Physical and chemical indexes of super high power graphite electrode
| Item | Classify | Unit | Nominal Diameter(mm) | ||
| 300-400 | 450-500 | 550-700 | |||
| electrical resistivity≯ | electrode | μΩ.m | 6.2 | 6.2 | 6.3 |
| joint | 5 | 5 | 4.5 | ||
| breaking strength≯ | electrode | M Pa | 10.5 | 10.5 | 11 |
| joint | 18 | 18 | 20 | ||
| elasticity modulus≯ | electrode | G Pa | 14 | 14 | 14 |
| joint | 18 | 18 | 22 | ||
| volume density≯ | electrode | g/cm3 | 1.66 | 1.66 | 1.66 |
| joint | 1.75 | 1.75 | 1.75 | ||
| CTE(100C-600C)≯ | electrode | X10-6/ºC | 1.5 | 1.5 | 1.4 |
| joint | 1.4 | 1.4 | 1.2 | ||
| Ash≯ | % | 0.3 | 0.3 | 0.3 | |
| Note: ash and thermal expansion coefficient are reference indexes |
Advantages of Graphite electrode:
1. Reduce graphite electrodes lateral oxidation rate.
2. Lessen graphite electrodes consumption rate by 15%~20%.
3. Improve graphite electrodes cost efficiency.
4. It is a more cost-effective solution through reducing graphite electrodes purchasing cost by 10%~15%.
5. It is a production efficiency improving solution through reducing risk of graphite electrodes breakage and falling down.
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