Calcium Silicon |Deoxidizer And Desulfurizer For Steelmaking
Available in Ca28Si55 and Ca30Si60 with consistent quality and flexible delivery.
Support bulk orders, fast shipment and long-term cooperation.
What is Calcium Silicon Alloy (CaSi)?
Calcium silicon alloy (CaSi) is a compound alloy mainly composed of calcium and silicon, widely used in steelmaking and foundry industries.
It is commonly used as a deoxidizer, desulfurizer, and inclusion modifier, helping improve steel quality and production stability. Compared with single-element additives, CaSi provides a more efficient and balanced metallurgical reaction.
Key Advantages of Calcium Silicon
- Strong deoxidizing ability
- Effective desulfurization
- Inclusion modification performance
- Stable metallurgical reaction
Typical Specifications of Polysilicon
|
Brand |
Chemical Composition(%) |
|||||
|
Ca |
Si |
C |
Al |
P |
S |
|
|
≥ |
≥ |
≤ |
||||
|
Ca31Si60 |
31 |
55-65 |
1.0 |
2.4 |
0.04 |
0.06 |
|
Ca28Si60 |
28 |
55-65 |
1.0 |
2.4 |
0.04 |
0.06 |
|
Ca24Si60 |
24 |
55-65 |
1.0 |
2.5 |
0.04 |
0.04 |
|
Ca20Si55 |
20 |
50-60 |
1.0 |
2.5 |
0.04 |
0.04 |
|
Ca16Si55 |
16 |
50-60 |
1.0 |
2.5 |
0.04 |
0.04 |
Applications of Calcium Silicon Alloy
Steelmaking Industry
Calcium silicon is mainly used in steel refining processes.
- Final deoxidation
- Sulfur removal
- Inclusion modification
- Improving steel cleanliness
Special Steel Production
Used in high-quality steel production where impurity control is critical.
- Alloy steel
- High-grade structural steel
- Clean steel
Foundry Industry
Calcium silicon can also be used in casting processes.
- Inoculant for cast iron
- Additive in ductile iron production
Secondary Refining (Ladle Furnace / RH / LF)
- Used as cored wire material
- Improves steel performance in refining stage
Packaging and Delivery
- 1 MT jumbo bag
- 25 kg small bags inside big bag
- Moisture-proof inner liner
- Suitable for export shipment
Delivery and Supply Capability
- Standard lead time: 7–15 days
- Stable supply for long-term cooperation
- Flexible delivery based on order volume
- Support bulk shipment and urgent orders
Quality Control and COA
Each batch can be supplied with COA including:
- Chemical composition
- Impurity levels
- Size distribution
Strict quality control ensures consistency for industrial applications.
FAQ
Q:What is calcium silicon used for?
A:It is mainly used for deoxidation, desulfurization, and inclusion modification in steelmaking.
Q:What is the difference between Ca28Si55 and Ca30Si60?
A:Higher calcium content provides stronger desulfurization and inclusion modification performance.
Q:Can calcium silicon be customized?
A:Yes, composition, size, and form can be adjusted.
Q:What size is commonly supplied?
A:Typical sizes include 10–50 mm and 10–100 mm.
Looking for a Calcium Silicon Supplier?
If you are sourcing calcium silicon alloy for steelmaking or foundry applications, choosing a reliable supplier is critical.
👉 Contact us today to get the latest CaSi price and quotation.
Why Work With ZhenAn
- Stable product quality for continuous production
- Reliable supply capacity for large-volume demand
- Competitive pricing based on market conditions
- Export experience with international logistics support
We focus on long-term cooperation and consistent supply rather than short-term transactions.
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