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Calcined Needle Coke Used in Steelmaking of High Power and Ultra High Power Graphite Electrode CNC
Calcined needle coke is significantly different from sponge coke in property, with high density, high purity, high strength, low sulfur content, low ablative capacity, low thermal expansion coefficient and good thermal shock resistance. There are obvious anisotropy in heat conduction, electricity conduction, magnetic permeability and optics. The hole is large but less, slightly elliptical, the fracture surface has a clear texture structure, and the touch has a sense of lubrication. Calcined needle coke is mainly prepared from residue with high aromatics content and low non-hydrocarbon impurity content. Calcined needle coke: has obvious needle structure and fiber texture, mainly used in steelmaking of high power and ultra high power graphite electrode.Welcome to inquire
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UHP400 UHP450 UHP500 UHP550 UHP600 Graphite Electrode with Nipple UHP Graphite Electrode for Eaf Arc Furnace
Our factory provides graphite electrodes of different specifications with diameters from 50-900mm (2 '- 36'), including Regular power graphite electrode (RP), impregnated graphite electrode, high power graphite electrode (HP) and ultra-high power graphite electrode (UHP).
We have a complete set of graphite electrode production line. The graphite electrode of our products has the advantages of compact structure, good electrical and thermal conductivity, strong oxidation resistance and corrosion resistance, low resistivity and large current load resistance. It is widely used in heavy industrial electric arc furnace, steel plant, foundry and other related industries.
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High Purity Semi Graphitized Petroleum Coke GPC for Steel Industry Carbon Raiser Semi-gpc
Semi-graphitized petroleum coke is widely used in industry, used as the carbon raiser in metallurgy, casting, and
precision casting; used to make high-temperature crucibles in smelting, lubricants in machinery industry, electrodes
and pencil leads; It is widely used in advanced refractory materials and coatings in metallurgical industry, stabilizers
in pyrotechnic materials in military industry, carbon brushes in electrical industry, electrodes in battery industry,
catalysts in fertilizer industry, etc.
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China Factory Direct Sales of High Carbon Coal Tar Pitch CTP
Coal Tar Pitch mainly used as binder in Aluminum anode,aluminum cathode and graphite electrode production.It has unique, modifiable properties as a binder, consistent with source and chemistry, with excellent consistency.This product has dry and topical technology, in addition to producing excellent combustion qualities. Use industrial aluminum and make sure it is dry and fire resistant.
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China Suppliers Additive Carburizer Graphite Petroleum Coke for Steel Making GPC 1-5MM Low Sulfur0.05%
1. Graphitization of petroleum coke is to put petroleum coke in a graphitization furnace, after about 3000 degrees of high temperature to make the amorphous chaotic structure of petroleum coke carbon crystals into hexagonal lamellar structure of crystalline carbon, that is, petroleum coke into graphite. This process is called graphitisation and the petroleum coke treated by the graphitisation process is called graphitised petroleum coke, commonly known as "graphitised coke".
2. Graphite petroleum coke is widely used as a carbon enhancer in the steel making and precision casting industries, as a breeder in the foundry industry, as a reducing agent in the metallurgical industry and as a refractory material. Graphite petroleum coke can promote the nucleation of graphite in the iron solution, increase the amount of ductile iron and improve the organisation and grade of grey cast iron. Through micro structure observation, graphite petroleum coke has the following characteristics: First, the ferrite content of ductile iron can be greatly increased without the use of pearlite stabilizers; Second, the proportion of V-shaped and VI-shaped graphite can be increased during use; Third, compared with improving the shape of the nodular ink, a substantial increase in the amount of nodular ink can reduce the use of expensive nucleating agents in later fine-tuning, resulting in significant cost savings.
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0.5 Sulfur Calcined Petroleum Pet Coke Carbon Additive CPC for Steelmaking
Calcined petroleum coke is a kind of petrochemical product, whose raw materials is green petroleum coke. It is widely used to
produce graphite electrode, graphite blocks, brakes pads and other carbon products.It can also be used as carbon additive in some
steel and aluminum plants, another, it is used in refractory, insulation, filler, etc.
The main use of CPC is in the production of anodes for the Aluminum Smelting process. 70 - 80% of CPC is for the Aluminum
Industry. The reason for use in the Aluminum Industry is for conductivity.
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Graphite Petroleum Coke Used as Recarburizer GPC
High-quality green petroleum coke is taken into Acheson furnace for graphitization process with temperature around 2500-3600ºC. The product has higher degree of graphitization with nitrogen content is lower than 300ppm. This product, with lower sulpur and ash content, is ideal recarburizer for steelmaking and foundry industries.
1. Widely used in steel smelting works, precision castings as carbon raisers;
2. Used in foundries as modifying agent to increase the quantities of speroidal graphite or improve the structure of gray iron casting thus upgrade the class of gray iron casting;
3. Used to produce cathod, carbon electrode, graphite electrode and carbon paste;
4. Refractory materials, etc.
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Good Quality Calcined Petroleum Coke for Iron Casting/CPC
Calcined Petroleum Coke (CPC) is obtained by heating green petroleum coke at temperature as high as 1400ºC. With high electrically conductive and low specific electrical resistance, CPC is widely used in the aluminum anode, graphite electrode, and other carbon consuming industries.
Calcined Petroleum Coke is mainly used for metallurgy & foundry, it can improve the carbon content in steel-melting and casting. Also it can increase the quantity of scrap steel and reduce the quantity of pig iron, or use no scrap iron at all. It's also can be used for brake pedal and friction material.
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Factory High Performance HP Graphite Electrodes
HP Graphite electrode is the conducting element for electric arc furnaces steelmaking.
It is made of petroleum coke, needle coke, coal pitch and produced by a series of strict production processes. High-current lines insert through the graphite electrode port inside the furnace body. This will releases electric energy in the arc furnace to heat the furnace.
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Recarburizer: CPC Calcined Petroleum Coke for Cast Iron
Calcined Petroleum Coke is a critical ingredient in the production of aluminum. It is created by placing high quality raw "green" petroleum coke into rotary kilns, where it is heated to temperatures between 1200 to 1350 degrees C (2192 to 2460 F). The high temperatures remove excess moisture, extract all remaining hydrocarbons and modify the crystalline structure of the coke, resulting in a denser more electrically conductive product. In a matter of hours, calcined petroleum coke is cooled from 1350 degrees C to less than 200 degrees C, when it can be safely handled and transported to storage silos or placed directly into shipping containers, trucks, railcars, barges or vessels.
Calcined petroleum coke has a sponge-like structure which plays an important role in the making of anodes. The pores allow binding material to penetrate through the coke particles and form a solid carbon block, through which aluminum smelters conduct electricity into their smelting pots. Over time, the anodes are consumed, roughly at the rate of 40 tons of calcined petroleum coke for each 100 tons of aluminum produced. Currently, there is no known commercially viable substitute for calcined petroleum coke in the fabrication and utilization of aluminum smelter anodes.
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UHP GRAPHITE ELECTRODE – LOW ELECTRICAL RESISTANCE, HIGH DENSITY
UHP graphite electrode is used for the recycling of steel in the electric arc furnace industry. Its main ingredient is high-value needle coke which is made from either petroleum or coal tar. Graphite electrodes are finished with a cylinder shape and machined with threaded areas at each end. In this way, the graphite electrodes can be assembled into an electrode column using electrode nipple.
In order to meet the requirement of higher work efficiency and lower total cost, large capacity ultra-high power arc furnaces are becoming more and more popular. Because of this, UHP graphite electrodes with diameters of over 500 mm will dominate market.
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CNC|Calcined Needle Coke for Negative Battery Terminal&Steel Making and Graphite Electrode
Calcined Needle Coke is a high quality material for manufacturing high power and ultra-high power electrodes. Graphite electrodes made of Calcined Petroleum Needle Coke have the advantages of strong thermal shock resistance, high mechanical strength, good oxidation performance, low electrode consumption and large allowable current density.
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