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Help CenterChina UHP 550 * 2400mm Graphite Electrode for Eaf
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China UHP 550 * 2400mm graphite electrode for eaf
Graphite electrode is made from the domestic first petroleum coke and high quality needle coke and widely used in the electric arc furnaces for production of alloy steels, metal and other nonmetallic materials, etc. The graphite electrodes include: regular power,high power,ultra high power and square electrode. The range of diameters covers from 200mm to 700mm. Our products own the following characteristics:low electric resisitivity, good electric and thermal conductivity,high oxidation resisitance, greater resisitance to thermal and mechanical shock,high mechanical strength, high machining accuracy.
We can produce regular power, high power, and ultra high power graphite electrodes of Φ300-800mm according to customers requirements.
RP HP UHP Graphite Electrods With Nipple
Grade: RP/HP/UHP
Diameter: 300/350/400/450/500/550/600/700/800mm
Length: 1500-2700mm
Nipple: 3TPI,4TPI
Process production
Application
Used in EAF and LF for steel making, as well as in electric smelting furnace for producing industrial silicon, phosphorus, etc.
Physical and chemical index
| Item | Unit | RP | HP | UHP | |||||
| 300-500 | 550-800 | 300-500 | 550-700 | 300-500 | 550-600 | 700-800 | |||
| Electric Resistivity | Electrode | µΩ.m | 7.5-8.6 | 7.5-8.8 | 5.5-6.8 | 5.5-7.0 | 4.6-6.2 | 4.5-6.0 | 4.5-5.8 |
| Nipple | 4.5-6.0 | 4.0-5.5 | 3.5-5.0 | 3.4-4.5 | 3.3-4.3 | ||||
| Flexural strength | Electrode | Mpa | ≥7.5 | ≥6.5 | ≥10.0 | ≥8.5 | ≥10.5 | ≥10.0 | ≥10.0 |
| Nipple | ≥ 16.0 | ≥18.0 | ≥20.0 | ≥22.0 | ≥23.0 | ||||
| Elastic moulus | Electrode | Gpa | ≤ 9.0 | ≤13.0 | ≤14.0 | ≤14.0 | ≤14.0 | ||
| Nipple | ≤ 13.0 | ≤15.0 | ≤20.0 | ≤22.0 | ≤22.0 | ||||
| Bulk density | Electrode | g/cm³ | 1.54-1.62 | 1.62-1.70 | 1.66-1.73 | 1.68-1.74 | |||
| Nipple | 1.70-1.78 | 1.72-1.80 | 1.75-1.82 | 1.78-1.85 | |||||
|
Ash |
Electrode |
% |
≤ 0.3 | ||||||
| Nipple | |||||||||
|
CTE(100-600) ℃ |
Elecrode |
10-6 /℃ |
2.20-2.60 | 1.80-2.20 | 1.20-1.50 | 1.10-1.50 | |||
| Nipple | 1.50-1.90 | 1.50-1.80 | 1.10-1.40 | 1.00-1.30 | |||||
We can manafacture and export graphite electrodes in different grade , shape and dimension. Whenever you need it , please feel free to let us know. We promise you the top quality and lower price.
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