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Qingdao Tennry Carbon Co., Ltd.
Qingdao Tennry Carbon Co., Ltd.
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HP Graphite Electrodes

HP graphite electrodes are fabricated with high-quality low-ash raw materials, including petroleum coke, needle coke and coal tar pitch. Manufactured through standardized processes of calcination, precise batching, vacuum kneading, compression forming, high-temperature baking, pressure impregnation, graphitization and CNC precision finishing, the electrodes deliver stable and reliable comprehensive performance for industrial smelting.

HP graphite electrodes possess low resistivity, excellent electrical conductivity, low ash content, dense internal structure, good high-temperature oxidation resistance and reliable mechanical strength. They are universal high-performance conductive materials, widely applied in medium and high-power electric arc furnaces, ladle furnaces and submerged arc furnaces for steelmaking, silicon smelting and yellow phosphorus production.


Features of HP Graphite Electrodes

High Current Load Capacity
Stable Conductive Performance & Energy Saving
Dense Structure & Strong Structural Stability
Excellent High-Temperature Oxidation Resistance
Low Impurity & Stable Smelting Quality
Features of HP Graphite Electrodes
High Current Load Capacity

HP graphite electrodes support a stable working current density of 18–25 A/cm², adapting to high-power industrial electric furnaces. They ensure efficient arc striking and stable arc combustion, effectively improving smelting efficiency and output capacity.


Features of HP Graphite Electrodes
Stable Conductive Performance & Energy Saving

With uniform internal tissue and low electrical resistivity, HP electrodes maintain continuous and stable electrical conductivity under long-cycle high-current operation. They reduce electric energy loss and heat dissipation, achieving obvious energy-saving effects in mass smelting production.


Features of HP Graphite Electrodes
Dense Structure & Strong Structural Stability

Adopting secondary impregnation and high-temperature graphitization technology, the product features low porosity and compact texture. It owns good flexural strength and mechanical toughness, which can effectively resist mechanical impact and high-temperature stress, avoiding cracking and fracture during furnace operation.


Features of HP Graphite Electrodes
Excellent High-Temperature Oxidation Resistance

HP electrodes maintain good structural stability in long-term high-temperature smelting environments. The outstanding anti-oxidation property reduces electrode combustion loss, lowers unit consumption and effectively cuts down production operating costs.


Features of HP Graphite Electrodes
Low Impurity & Stable Smelting Quality

Made from strictly selected low-ash raw materials, the electrodes have extremely low impurity content. No excessive impurities precipitate during the smelting process, which guarantees stable chemical composition and high quality of finished molten steel and smelting products.


HP Graphite Electrodes Technology

  • HP graphite electrodes adopt optimized carbon material formula and standard pressure impregnation process. Through precisely controlled raw material calcination, scientific batching ratio, uniform kneading and integral forming, the material obtains consistent internal structure.

  • Combined with medium-high temperature graphitization and professional CNC precision machining, the finished products achieve accurate dimensional tolerance, excellent assembly consistency and stable overall performance, fully meeting the continuous operation requirements of high-power electric furnaces.

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