Ca28Si60 For Steelmaking
Stable supply and consistent batches ensure reliable performance in continuous production.
Product Overview
Ca28Si60 is a medium-calcium silicon alloy widely used in steelmaking as a composite deoxidizer and inclusion modifier.
Compared with higher-calcium grades, Ca28Si60 offers more controlled reaction behavior in molten steel, making it suitable for stable refining operations and large-scale production environments.
It is commonly applied in secondary refining processes where both oxygen removal and inclusion control are required.
Key Benefits
- Controlled deoxidation reaction
- Effective inclusion modification
- Improved steel fluidity
- Stable performance in continuous casting
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Technical Specifications
| Item | Specification |
|---|---|
| Calcium (Ca) | 27–30% |
| Silicon (Si) | 55–65% |
| Aluminum (Al) | ≤ 2.4% |
| Carbon (C) | ≤ 1.0% |
| Sulfur (S) | ≤ 0.05% |
| Phosphorus (P) | ≤ 0.04% |
| Size | 10–50 mm / Customized |
| Form | Lump / Granular |
Why Ca28Si60 Is Widely Used in Steelmaking
Calcium silicon alloys are mainly used to remove oxygen and sulfur and control inclusions in molten steel .
Ca28Si60, in particular, provides a balanced Ca–Si ratio, making it suitable for processes where:
- reaction stability is required
- excessive calcium reactivity must be avoided
- cost-performance balance is important
👉 It is often selected as a practical grade for routine steelmaking operations
Why Choose Ca28Si60 Instead of Ca31Si60
The difference is not only composition, but process behavior.
Ca28Si60
more stable reaction in ladle
easier to control calcium yield
suitable for large-scale, continuous production
Ca31Si60
stronger inclusion modification
higher reactivity
used for higher cleanliness requirements
👉 Ca28Si60 is preferred when process stability and cost control are priorities
Free quotation available
Impact on Steelmaking Efficiency
Using Ca28Si60 helps:
- reduce oxygen and sulfur levels
- improve steel ductility and toughness
- enhance casting stability
- lower overall refining cost
👉 It provides a balanced solution between performance and cost
Supply and Consistency
- stable production capacity
- consistent batch composition
- controlled impurity levels
- suitable for long-term supply
Each batch ensures predictable behavior in steelmaking processes.
Packaging
- 1 MT big bags
- customized packaging available
- moisture-proof protection
Delivery Capability
- lead time: 7–15 days
- bulk supply available
- export support (FOB / CIF)
If you are looking for stable performance and consistent supply in steel production:
👉 Contact us to get the latest price, specifications, and supply support.
FAQ
What is Ca28Si60 used for?
It is used as a deoxidizer, desulfurizer, and inclusion modifier in steelmaking.
Why choose Ca28Si60 over higher calcium grades?
It provides more stable reaction control and is easier to manage in large-scale production.
Can it be used in continuous casting?
Yes, it improves casting stability and inclusion behavior.
Does Ca28Si60 reduce sulfur content?
Yes, calcium reacts with sulfur to form removable compounds.
What is the typical delivery time?
Usually 7–15 days depending on order quantity.
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