Calcium Silicon
Silicon calcium alloy is a composite ferroalloy mainly composed of silicon (Si) and calcium (Ca), with small amounts of aluminum (Al). It is widely used in the steelmaking and foundry industries as a powerful deoxidizer, desulfurizer, and inoculant.
- Product Introduction
Commodity: Silicon Calcium (Ca-Si Alloy)
Chemical Composition
|
Brand name |
Ca |
Si |
AL |
C |
P |
S |
|
≥ |
≤ |
|||||
|
CaSi28/55 |
28 |
55 |
1.5 |
1.0 |
0.04 |
0.05 |
|
CaSi30/60 |
30 |
60 |
1.5 |
1.0 |
0.04 |
0.05 |
Size: 10-50mm, 0-3mm, 2-7mm
Packing in 1 mt big bags
Introduction
Silicon calcium alloy is a composite ferroalloy mainly composed of silicon (Si) and calcium (Ca), with small amounts of aluminum (Al). It is widely used in the steelmaking and foundry industries as a powerful deoxidizer, desulfurizer, and inoculant.
Key Features
- Strong deoxidizing ability, more efficient than ferrosilicon alone
- Calcium effectively removes sulfur and reduces oxygen in molten steel
- Improves fluidity and cleanliness of molten steel
- Enhances steel toughness, ductility, and impact resistance
- Reduces gas and inclusions, improving casting quality
Applications
Steelmaking industry
As a deoxidizer and desulfurizer in producing high-quality steels (such as bearing steels, spring steels, and special alloy steels)
Foundry industry
As an inoculant to improve the microstructure of cast iron
Other ferroalloys
Used as an additive in the production of certain complex alloys
Silicon calcium alloy is considered an efficient substitute for traditional deoxidizers (like ferrosilicon, calcium carbide, and aluminum), offering better steel purity and cost savings in metallurgical processes.
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