UHP Graphite Electrode for Refining Furnace

The Ultra High Power (UHP) Graphite Electrodes produced by XINHUI Carbon Group adopts 100% high quality imported needle coke, advanced production equipment and technology, and is produced in strict accordance with the world class standard, the Ultra-high Power (UHP) Graphite Electrode has lower resistivity, better electrical conductivity and higher mechanical strength. The Graphite Electrode Nipples are made of 100% imported needle coke with three times impregnation and four times baking process. The product quality has approached or reached the world-class standard, which can meet the needs of various Ultra-high Power (UHP) Electric Arc Furnace (EAF) and Ladle Refining Furnace (LRF) steelmaking.

Physical & chemical properties of UHP graphite electrode and nipples

Features of UHP Graphite Electrode

►Very high electricity load capacity, current intensity is usually above 25A/cm2.

►Bulk density is strictly controlled to have the best thermal shock resistance.

►Low specific resistance, excellent electrical conductivity, so the energy loss is very small and no electric arc generates at body part.

►Good high temperature mechanical strength, is not easy to rupture during working.

►No contamination to the processed steel, only CO or CO2 gas are produced during oxidization.

►Very low thermal expansion coefficient.

►Long production cycle and complex processing craft.

Production process of UHP graphite electrode 

Quality Inspection

The processed UHP graphite Electrodes need to undergo various strict physical and chemical performance index tests and processing accuracy tests. xinhui carbon has a perfect material management system, with corresponding requirements for quality parameters from raw and auxiliary materials, semi-finished products to finished products, and prescribed values for all process control parameters affecting quality, and actual parameters are tested, archived, and analyzed. We have strict control and precise requirements on product quality, and try to consider every detail for our customers to ensure their reliability in the process of use. 

Detection

Our company agree with and customers or customer authorization the third party come to our company for testing  

UHP graphite Electrode storage and transportation

Avoid contact with liquid media in the on-site storage electrode, otherwise fish scales will appear after being heated.

When storing the joints on site, avoid close to high-temperature heat sources, otherwise the joint bolts will easily melt and flow out after being heated.

How to reduce the consumption of three-dimensional electrodes in smelting is not only the technology of carbon manufacturers, but also an important task for smelting manufacturers to use and optimize the operation of electric furnaces. Regarding the consumption of graphite electrodes in smelting, the first thing to be solved is the problem of joint breaking, and the second thing to consider is oxidation resistance and thermal shock resistance. This requires us to first understand the development of the smelting industry, smelting process, electric furnace and operation technology, and then conduct targeted technical research, scientifically organize production, and implement effective technical services. Only in this way can the purpose of production and use be achieved.

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