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Graphite Electrode
Graphite electrodes are essential conductive materials used in Electric Arc Furnaces (EAF), Ladle Furnaces (LF), Submerged Arc Furnaces (SAF), and other metallurgical smelting applications. They are manufactured from high-quality calcined petroleum coke and coal tar pitch through processes including mixing, extrusion, baking, impregnation, graphitization, and precision machining.
During the graphitization process, the amorphous carbon structure is converted into crystalline graphite under extremely high temperatures, resulting in excellent electrical conductivity, high mechanical strength, low electrical resistivity, and strong thermal shock resistance.
Each electrode is precisely machined with threaded ends and matched nipples to ensure secure connection and stable current transmission during furnace operation.
Graphite electrodes are available in RP, HP, and UHP grades, with various diameters and specifications ranging from 100 mm to 800 mm according to different furnace requirements. They are widely used in steelmaking, ferroalloy production, silicon metal production, and other high-temperature metallurgical industries.
Main Features & Applications
Graphite Electrodes feature excellent electrical conductivity, low electrical resistivity, high mechanical strength, and outstanding thermal shock resistance, ensuring stable performance under ultra-high temperature operating conditions. With accurate machining and reliable nipple connections, the electrodes provide low consumption, high oxidation resistance, and long service life during the smelting process. Available in Regular Power (RP), High Power (HP), and Ultra High Power (UHP) grades, the electrodes can be customized in different diameters and specifications according to various furnace requirements. They are widely used in Electric Arc Furnaces (EAF), Ladle Furnaces (LF), Submerged Arc Furnaces (SAF), ferroalloy furnaces, silicon metal furnaces, and other metallurgical and foundry applications.

Furnace Refractory Solution
CHNZBTECH provides customized refractory lining solutions for Electric Arc Furnaces (EAF), Ladle Furnaces (LF), AOD/VOD furnaces, ferroalloy furnaces, and other metallurgical equipment.
According to different smelting processes and operating conditions, suitable refractory materials and lining structures are selected to ensure excellent resistance against high temperature, slag corrosion, thermal shock, and mechanical wear, helping improve furnace campaign life and operational stability.
The refractory system can be designed for different furnace zones, including working lining, slag line, impact area, and tapping area, ensuring optimized performance and reduced maintenance frequency.

Technical Parameters
| Item | LDTAP-10 | LDTAP-12 | LDTAP-14 |
| MgO (% )≥ | 80 | 78 | 76 |
| C(%)≥ | 10 | 12 | 14 |
| Bulk Density(g/cm3)≥ | 2.95 | 2.93 | 2.9 |
| Apparent Porosity( %) ≤ | 5 | 5 | 5 |
| Cold Crushing Strength (Mpa) ≥ | 40 | 40 | 40 |
| Thermal modulus rupture(MPa) (1400ºC×0.5h)≥ | 12 | 12 | 12 |