High Purity Calcium Silicon Powder: Your Premium Deoxidizer for Advanced Steelmaking
Discover the essential role of Calcium Silicon (CaSi) powder in enhancing steel quality. As a leading manufacturer and supplier, we offer high-purity Calcium Silicon for all your steelmaking and foundry needs. Ensure optimal deoxidation, desulfurization, and improved mechanical properties with our reliable products. Request a quote and sample today!
Get a Quote & SampleElevate Your Steel Production with Premium Calcium Silicon

Calcium Silicon Powder (CAS 12013-56-8)
As a trusted manufacturer and supplier of Calcium Silicon in China, we provide high-purity CaSi2 powder essential for modern steelmaking. Our product, meeting stringent USP BP EP FCC standards and certified by GMP SGS, offers superior deoxidation and desulfurization. When you buy Calcium Silicon from us, you are assured of competitive pricing and direct manufacturer support.
- Superior Deoxidation: Our Calcium Silicon (CaSi) powder is crucial for effective deoxidation, removing oxygen and minimizing harmful inclusions in molten steel.
- Enhanced Desulfurization: This vital additive also acts as a potent desulfurizer, significantly reducing sulfur content for improved steel performance.
- Improved Steel Properties: By controlling inclusion shape and distribution, our product enhances steel's plasticity, impact toughness, and overall quality.
- Versatile Steelmaking Application: Widely used in producing clean steel, special steels, and alloys, our Calcium Silicon is a dependable choice for steel manufacturers.
Key Advantages of Our Calcium Silicon
Exceptional Purity and Assay
Achieve up to 99.5% minimum assay with our Calcium Silicon powder, ensuring consistent and reliable performance in your demanding steelmaking processes. This high purity is vital for manufacturers seeking predictable results.
Advanced Deoxidation & Desulfurization
Our CaSi powder provides a powerful combination for deoxidizing and desulfurizing molten steel. This dual action leads to cleaner steel with significantly reduced oxygen and sulfur levels, a critical need for high-quality steel production.
Optimized Inclusion Control
The strategic addition of Calcium Silicon modifies the shape, size, and distribution of non-metallic inclusions. This directly contributes to improved steel plasticity, impact toughness, and overall mechanical properties, making it ideal for critical applications.
Applications of Calcium Silicon Powder
Steelmaking Deoxidizer
As a premier deoxidizer, Calcium Silicon powder is indispensable for removing dissolved oxygen from molten steel, a fundamental step in producing high-quality steel grades.
Special Steel Additive
Used in the production of special steels such as rail steel and stainless steel, our Calcium Silicon enhances crucial properties and performance characteristics required in these demanding sectors.
Foundry Inoculant
In the foundry industry, Calcium Silicon acts as an effective inoculant for cast iron, promoting uniform graphite distribution and improving the overall quality and casting properties of the final product.
Warming Agent
Our Calcium Silicon powder serves as a valuable warming agent in converter steelmaking, contributing to process efficiency and stability during high-temperature operations.