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Professional graphite electrode manufacturers

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ABOUT US
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Hitech Material Group is a specialized group in graphite electrodes.Hitech is a licensed export company, annotated and authorized by Foreign Trade and Economic Bureau. We are established on 2007 and located in the carbon production base, shandong province, china.

We have passed ISO certificate in 2009, our products are very popular in the world market due to high quality and favorable price. And, they have been exporting to more than 30 countries such as Southeast Asia, Middle East, Africa, Europe and America, except for many domestic companies.

UHP Graphite electrode

HP Graphite electrode

RP Graphite electrode



RP Graphite electrode

Ordinary power graphite electrodes are produced with ordinary grade petroleum coke. The graphitization temperature is low, the resistivity is high, the linear expansion coefficient is large, and the thermal shock resistance is poor, so the current density is allowed to be low.



HP Graphite electrode

High power graphite electrode is made of high quality petroleum coke (or low level needle coke), sometimes the electrode body needs to be impregnated, its physical and mechanical properties are higher than ordinary power graphite electrode, such as low resistivity, allow for a large current density.



UHP Graphite electrode

Ultra-high-power graphite electrodes must be produced with high-grade needle coke, and the graphitization heat treatment should be carried out in the internal graphitization furnace. The graphitization temperature is as high as 2800 ~ 3000 ° C, so the resistivity is lower, allowing a larger pass The current density and linear expansion coefficient are smaller, and it has excellent thermal shock resistance.


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