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High Purity and Low Consumption Graphite Electrode
High Purity and Low Consumption Graphite Electrode
Graphite Electrode is made of high-quality low ash materials, such as petroleum coke, needle coke and coal pitch.after calcining,burdening,kneading,forming,baking and pressure impregnation, graphitization and then precision machined with professional CNC machining.such of the products own characteristics with low resistivity, good electrical conductivity ,low ash, compact structure,good anti oxidation and high mechanical strength, Widely used in LF, EAF for steel making industry, Non-ferrous industry, silicon and phosphorus industry.so it is the best conductive material for electric arc furnace and smelting furnace.
RP/HP/UHP graphite electrodes in diameter 100mm-600mm, we have a complete calcining, crushing, forming, baking, impregnation, graphitization, machining production lines and advanced technology and complete quality test equipment for quality control.
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
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 |
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