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Ultra High Power Graphite Electrodes Made from Needle Coke and Petroleum Coke for Steel
Ultra High Power Graphite Electrodes Made from Needle Coke and Petroleum Coke for Steel
Graphite electrodes will be stored in a clean and dry place. It can be used both indoors and outdoors. Whether indoors or outdoors, the goods will be loaded and transported away as soon as possible. If it is rainy or cloudy, the electrodes will be covered in advance to prevent damage.
Type: Graphite Electrode
Application: smelting industries , steel -making
Length: 1400-2800mm
Grade: UHP (Ultra High Power)
Resistance (μΩ.m): 5.5
Apparent Density (g/cm3): 1.69
Thermal Expansion: 1.4
Flexural Strength (N/m2): 12
ELASTIC MODULUS: 8.0
ASH: 0.3% Max
Raw Material: Needle Coke,Petroleum Coke
Nipple: 3TPI 4TPI
Style: UHP Ultra High Power Graphite Electrode
Color: Grey Black
Properties | Unit | UHP | HP | RP | ||
300-600mm | 650-800mm | 300-800mm | 300-800mm | |||
Electric resistivity | Electrode | μΩm | 4.8-5.8 | 4.6-5.8 | 5.8-6.6 | 7.8-8.8 |
Nipple | 3.8-4.5 | 3.8-4.5 | 4.2-5.0 | 5.0-6.5 | ||
Flexural strength | Electrode | Mpa | 10.0-14.0 | 10.0-14.0 | 10.0-13.0 | 7.0-12.0 |
Nipple | 20.0-26.0 | 22.0-26.0 | 18.0-22.0 | 15.0-20.0 | ||
Young's modulus | Electrode | Gpa | 9.0-13.0 | 10.0-14.0 | 8.0-12.0 | 7.0-9.3 |
Nipple | 15.0-18.0 | 15.0-18.0 | 14.0-16.0 | 12.0-14.0 | ||
Bulk density | Electrode | ≥g/cm3 | 1.68-1.74 | 1.70-1.74 | 1.62-1.66 | 1.53-1.56 |
Nipple | 1.77-1.82 | 1.78-1.84 | 1.74-1.80 | 1.70-1.74 | ||
CTE(100-600ºC) | Electrode | x10-6/ºC | 1.1-1.4 | 1.1-1.4 | 1.6-1.9 | 2.2-2.6 |
Nipple | 0.9-1.2 | 0.9-1.2 | 1.1-1.4 | 2.0-2.5 | ||
Ash | 0.3 | 0.3 | 0.3 | 0.5 |
| Grade | Position | Specific Resistivity | Bulk density | Bending Strength | C.T.E | Elastic Modulus | Ash |
| RP | Body | ≤8.5 μΩ•m | ≥1.54g/cc | ≥8.5 Mpa | ≤2.4 x10-6/ºC | ≤9.3 Gpa | ≤0.4% |
| Nipple | ≤5.2 μΩ•m | ≥1.72g/cc | ≥17.0 Mpa | ≤2.3 x10-6/ºC | ≤14.0 Gpa | ≤0.4% | |
| HP | Body | ≤6.8 μΩ•m | ≥1.65g/cc | ≥11.0 Mpa | ≤2.3 x10-6/ºC | ≤12.0 Gpa | ≤0.3% |
| Nipple | ≤5.0 μΩ•m | ≥1.74g/cc | ≥18.0 Mpa | ≤2.1 x10-6/ºC | ≤16.0 Gpa | ≤0.2% | |
| UHP | Body | ≤6.0 μΩ•m | ≥1.66g/cc | ≥12.0 Mpa | ≤1.4 x10-6/ºC | ≤14.0 Gpa | ≤0.2% |
| Nipple | ≤4.0 μΩ•m | ≥1.77g/cc | ≥21.0 Mpa | ≤1.3 x10-6/ºC | ≤18.0 Gpa | ≤0.2% |
Advantages of Graphite electrode:
* 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.
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