Product Introduction
Low Sulphur Graphitized Petroleum Coke Fines is powdered carbon material made from high-quality petroleum coke. It goes through high-temperature graphitization, followed by crushing and screening. The high-temperature graphitization rebuilds carbon molecular structure and reduces harmful impurities such as sulfur, with outstanding carbon activity. The fines feature uniform particle size and good fluidity. It is produced as carbon additive for metallurgy and foundry sectors, suitable for electric furnace melting, scrap remelting and many other working conditions. It is a widely used carbon material for foundries and steel mills to steadily adjust carbon content in molten iron and molten steel.
Product Parameter(Specification)
|
Item |
Fixed Carbon |
Sulfur |
Ash |
Volatile Matter |
Nitrogen |
Moisture |
|
ZC-GPC-01 |
98.5 |
0.03 |
0.7 |
0.8 |
200ppm |
0.5 |
|
ZC-GPC-02 |
98.5 |
0.05 |
0.7 |
0.8 |
300ppm |
0.5 |
|
ZC-GPC-03 |
98 |
0.05 |
1.0 |
1.0 |
300ppm |
0.5 |
|
ZC-GPC-04 |
98.5 |
0.3 |
0.7 |
0.8 |
500ppm |
0.5 |
|
ZC-GPC-05 |
98 |
0.5 |
0.7 |
1.0 |
500ppm |
0.5 |
|
Size:0-0.2mm,0.2-1mm,1-5mm,5-10mm or according to your requirement |
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Packaging & Shipping
Product Qualification
Core Characteristics
It has low sulphur content and stable impurity control. When fed into melting furnaces, it will not introduce excessive harmful elements into molten metal, protecting the quality of castings and steel. Graphitization delivers high carbon activity. It can be easily wetted and quickly dissolved once touching molten steel or iron, maintaining stable carbon absorption. The powder form brings obvious advantages. It can be pre-mixed thoroughly with furnace materials like scrap iron and pig iron for even feeding. It can withstand high temperature and will not burn out rapidly under melting conditions, keeping stable performance throughout usage. The product has great compatibility. It can be used alone or mixed with lump graphitized petroleum coke, flexibly matching different feeding methods of manufacturers.
Main Applications
It is mainly used as carburizer for steelmaking and iron casting, widely applied in electric arc furnace, medium frequency furnace melting, scrap remelting, ductile iron and grey iron casting. Its core function is to adjust carbon content in molten iron and molten steel, compensating insufficient carbon from scrap and pig iron raw materials. Many plants pre-blend this coke fines with furnace charge to achieve even carbon distribution and avoid local carbon fluctuation. It helps refine internal metal grains, reduce casting defects such as porosity and shrinkage, and improve mechanical properties of finished products. It is especially suitable for high-end casting production with strict sulphur control requirements. It can also serve as auxiliary carbon material to cooperate with lump carburizer and optimize overall smelting results.
FAQ
Q: What is the difference between graphitized petroleum coke fines and granular type?
A: Granular type normally has larger particle size. It is usually charged directly into molten pool with simple operation and less dust. The fines have finer particles. Its advantage is that it can be pre-mixed with scrap and pig iron for better homogeneity and more stable carbon distribution inside furnace. The fines dissolve faster. However, as powder material, dust may occur if feeding is not handled properly. Both share the same carbon property and are low sulphur graphitized products. Neither is superior. Customers can select proper form according to workshop feeding process, furnace type and requirements of finished products.
Q: Does this low sulphur coke fines tend to produce dust? Are there ways to reduce it?
A: As powdered material, slight dust during transportation, material handling and feeding is normal. Plants equipped with closed silos or injection systems can adopt sealed conveying. Factories without such equipment can pre-mix coke fines with bulk furnace materials before charging into furnace to reduce dust effectively. Basic site protection will not interfere with normal smelting work, and the carburizing capacity of the product will not be weakened by these methods.
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