Calcium Silicon As Desulfurizing Agent
Calcium silicon （CaSi） is commonly used as a desulfurizing agent in the steelmaking industry. Desulfurization is a process employed to reduce the sulfur content in molten iron and steel, as high levels of sulfur can negatively impact the mechanical properties and quality of the final product.
Description
ZhenAn International Co., Limited is one of the most reliable manufacturers and suppliers of calcium silicon as desulfurizing agent in China. With abundant experience, we warmly welcome you to wholesale discount calcium silicon as desulfurizing agent in stock here from our factory. Quality products and reasonable price are available.
Description
Calcium silicon serves as a desulfurizing agent, reducing the sulfur content in steel and iron.
Sulfur is a harmful impurity that can lead to brittleness and other undesirable properties. Calcium silicon reacts with sulfur to form calcium sulfide (CaS), which has a higher melting point and can be easily separated from the molten metal.
Specification
|
Grade |
Chemical composition(%) |
|||||
|
Ca |
Si |
C |
Al |
P |
S |
|
|
≥ |
≤ |
|||||
|
Ca28Si50 |
28 |
50 |
1.0 |
2.4 |
0.04 |
0.05 |
|
Ca30Si50 |
30 |
50 |
1.0 |
2.4 |
0.04 |
0.05 |
When calcium silicon is added to molten metal during the steelmaking process, it reacts with sulfur to form calcium sulfide (CaS) and silicon dioxide (SiO2). Calcium sulfide is a high-melting point compound that can be easily separated from the molten metal, thus reducing the sulfur content.
The calcium sulfide produced is either removed as a slag or floats to the surface, where it can be easily skimmed off. The desulfurization process is typically carried out in the ladle or during secondary steel refining processes such as the argon oxygen decarburization (AOD) or vacuum degassing.
Calcium silicon is favored as a desulfurizing agent due to its ability to efficiently reduce sulfur content and its relatively low cost compared to other desulfurizing agents. Additionally, calcium silicon also contributes to the deoxidation of steel and provides other beneficial effects on the steelmaking process, such as modifying inclusions and improving the mechanical properties of the final product.
It's important to note that the specific desulfurization process and the choice of desulfurizing agents may vary depending on the steelmaking method and the desired sulfur content for the end product.
FAQ
Q:Are you a factory or a trading company?
A:We have factories and trading companies, factories and warehouses in Anyang, Henan Province, to provide you with the best prices and the best quality sources, and a professional international marketing team to provide you with a wide range of personalized services.
Q: What are the advantages of your company than other companies?
A: 20 years of the professional service team, Strict QC Procedures, Steady quality, Accept SGS, BV, CCIC etc certification.
Q: What metals do you supply?
A:We supply ferrosilicon, silicon metal, silicon manganese, ferromanganese, cold rolled steel plate, cold rolled steel bar, hot rolled high strength steel plate, aluminum, nickel, vanadium iron, ferro molybdenum and other metal materials. Please write to us about the items you require and we will send you our latest quotations immediately for your reference.
Q:What is the time of delivery? Do you have it in stock?
A:Yes, we have it in stock. The exact delivery time depends on your detailed quantity and is usually around 7-15 days.
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