Views: 0 Author: Site Editor Publish Time: 2026-05-15 Origin: Site
When it comes to improving steel quality and controlling inclusions, calcium silicon (CaSi) is one of the most effective alloys on the market. Finding a consistent calcium silicon supplier is not just about price—it's about chemistry, stability, and delivery.
That’s where Hongshun comes in.
With over 15 years of experience in the ferroalloy industry, Hongshun has built its reputation as a professional calcium silicon manufacturer and exporter. We supply CaSi alloy in various forms, including lumps, granules, and cored wire, to steel plants and foundries across Europe, the Middle East, Southeast Asia, and South America.
Calcium silicon is widely used in ladle metallurgy for:
Deoxidation – removing excess oxygen from molten steel
Desulfurization – reducing sulfur content for cleaner steel
Inclusion modification – changing the shape of non-metallic inclusions to improve ductility and toughness
Without reliable CaSi, your final steel products may suffer from poor surface quality, reduced fatigue life, or even casting issues.
We understand that different furnaces and ladle treatment processes require different specifications. That’s why Hongshun offers flexible calcium silicon grades:
Product Form | Common Sizes | Typical Applications |
|---|---|---|
CaSi Lumps | 10–50mm, 10–100mm | Ladle addition, alloying station |
CaSi Granules | 0.2–2mm, 1–3mm | Pressed into cored wire or direct injection |
CaSi Cored Wire | 13mm diameter (adjustable) | Deep injection for precise treatment |
Calcium (Ca): 28–31%
Silicon (Si): 55–62%
Carbon (C): ≤1.0%
Aluminum (Al): ≤1.5%
Phosphorus (P): ≤0.04%
Sulfur (S): ≤0.05%
Tighter control or higher calcium content is available for special orders.
We test every batch using spectrometer analysis in our in-house lab. Each shipment comes with a certificate of analysis (COA) showing real test results, not just theoretical ranges.
We have successfully shipped calcium silicon to over 30 countries. Our team knows how to handle sea-freight packaging, customs documentation, and Incoterms (FOB, CIF, CFR, EXW).
Whether you need a 20-ton trial order or a 200-ton monthly contract, Hongshun can deliver. Typical lead time: 15–20 days after deposit.
Because we manage our own production line, we control the cost. You get factory-direct pricing with no middleman markup.
Carbon steel and stainless steel mills
Foundries and investment casting plants
Cored wire manufacturers
Trading companies looking for a stable Chinese source
Send inquiry – Tell us your target Ca/Si ratio, size, and quantity.
Receive quotation – Within 24 hours with specifications and price.
Sample testing – Pre-shipment samples available for approval.
Production & inspection – We share video or photos during production if requested.
Shipping – On-time loading with complete export documents.
Q: Can Hongshun supply low-aluminum calcium silicon?
Yes. For certain grades, we can reduce aluminum below 1.0% or even 0.5% depending on your requirement.
Q: Do you provide free samples?
Samples of lumps or granules are available. Customer pays freight, but the sample cost is usually free for qualified buyers.
Q: What is the typical payment term?
Usually 30% T/T in advance, balance against BL copy. L/C at sight is also acceptable.
Q: Is your calcium silicon suitable for cored wire production?
Absolutely. Our granular CaSi has controlled particle size distribution (PSD) to ensure smooth wire feeding and consistent core density.
Stop going through multiple intermediaries. Talk directly to the people who control the quality and price.
