Calcium Silicon Granules (size customized)
Size:The common sizes of silicon calcium granules include 0-3mm, 0.2-1.0mm, 1-3mm, 3-8mm, and 8-15mm. These granularity ranges are applicable to different application scenarios and requirements
Origin: Shaanxi Province, China
HS code: 72029999
Calcium Silicon Granules are small-sized alloy particles mainly composed of silicon and calcium. They are used as an efficient deoxidizer, desulfurizer, and alloying additive in steelmaking and casting.
Products grades & contents
|
Grade |
Ca% (min) |
Si% (max) |
C% (max) |
Al% (max) |
P% (max) |
S% (max) |
|
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 |
|
Other grades can be customized! |
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Features
Flexible Particle Size
Available in 0–3 mm, 0.2–1.0 mm, 1–3 mm, 3–8 mm, and 8–15 mm, enabling flexible selection based on different furnace types and feeding methods.
Stable Chemical Composition
Controlled calcium (16–31%) and silicon (50–65%) content ensures predictable metallurgical performance and consistent batch quality.
Low Impurity Control
Strict limits on C, Al, P, and S help reduce contamination risks and support high-purity steel production.
Uniform Granule Distribution
Even particle size improves feeding accuracy and reaction consistency compared to irregular lump materials.
Customizable Grades
Multiple standard grades (Ca31Si60, Ca28Si60, etc.) and tailored specifications are available to meet specific process requirements.
applications
Steelmaking
Used as a deoxidizer and desulfurizer to improve steel cleanliness and inclusion control.
Cast Iron Production
Functions as an inoculant and purifier, promoting graphite formation and improving casting structure.
Construction Materials
Applied as an additive in certain metallurgical-related building material processes.
why choose us
Production Capability
- Equipped with modern submerged arc furnace (SAF) systems, medium-frequency induction furnaces, and automated alloy smelting lines
- Integrated raw material pre-treatment system, including crushing, screening, and precise batching to ensure stable furnace input
- Advanced temperature control and real-time monitoring system during smelting process to improve consistency and energy efficiency
- Strong output capacity designed to support long-term bulk wholesale and contract supply
Quality Assurance
- Strict incoming raw material inspection system
- In-house chemical laboratory testing center, equipped with spectrometer (OES), carbon-sulfur analyzer, and moisture detection equipment
- Each batch undergoes pre-shipment composition verification and sampling inspection
- Compliance with international industrial standards such as ISO quality management system (ISO 9001)
- Support for third-party inspection services (SGS, BV, CIQ or customer-designated inspection agencies)
- Batch traceability system ensuring full production record tracking from furnace to shipment
OEM & Custom Supply
- Custom production based on customer-required chemical composition and specification standards
- Flexible packaging solutions: 1MT / 25kg / 50kg woven bags, jumbo bags (FIBC), steel drums or container bulk loading
- Private label service (branding, marking, labeling)
Global Supply & Logistics
- Export-oriented supply chain system with experience serving Europe, Middle East, Southeast Asia, South America and Africa markets
- Cooperation with major international ports and freight forwarders for stable shipment arrangements
- Flexible shipping solutions: FCL (Full Container Load) and bulk vessel shipment (break bulk / dry bulk)
- Professional loading supervision to ensure accurate weight, safe packing, and moisture protection
- Timely coordination of customs clearance documents to reduce shipping delays
Customer Support & Service
- Dedicated sales and technical team with fast response
- Pre-sales technical support for grade selection, application guidance, and cost optimization suggestions
- Order tracking system with regular production and shipping updates
- After-sales support covering: Quality claim handling, technical feedback response, long-term cooperation improvement suggestions
FAQ
Q1: How to choose suitable particle size?
Q2: Why choose granules instead of lump or powder forms?
Q3: Can Calcium Silicon replace other deoxidizers?
Q4: Do you provide samples?
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