Ferro Silicon Grades And Chemical Composition
Shipping terms: FOB / CIF
Delivery time: about 15 days
MOQ:1 TON
Technical Overview of Ferro Silicon Grades
The classification of ferro silicon is primarily based on its silicon (Si) percentage. In industrial steelmaking and foundry practices, four standard grades are most prevalent: FeSi 75, FeSi 72, FeSi 65, and FeSi 45. Each grade offers distinct thermodynamic properties during the deoxidation and alloying processes.
Chemical Composition Standard (Typical Analysis)
| Grade | Si (%) | Al (%) Max | C (%) Max | P (%) Max | S (%) Max |
| FeSi 75 (High Grade) | 72.0–80.0 | 1.5–2.0 | 0.10 | 0.04 | 0.02 |
| FeSi 72 (Standard) | 72.0 Min | 2.00 | 0.20 | 0.04 | 0.02 |
| FeSi 65 (Intermediate) | 63.0–68.0 | 2.00 | 0.20 | 0.04 | 0.02 |
| FeSi 45 (Low Silicon) | 40.0–47.0 | 2.00 | 0.20 | 0.04 | 0.02 |
Metallurgical Functions and Applications
• High silicon content for strong deoxidation performance
• Low impurity levels for cleaner steel production
• Improved alloy consistency and metallurgical efficiency
• Stable composition for precise industrial control
• Suitable for high-grade steel and special alloys
Supply & Delivery
- MOQ: 1 ton
-
Delivery time:
about 15 days for stock goods
Flexible delivery for large-volume orders
- Sample: free (Pay only for shipping)
We support both spot supply and long-term cooperation.
Packaging & Logistics
- Packing: 25 kg bags, 1 ton jumbo bags, or customized packaging
- Shipping terms: FOB / CIF
- Delivery time: about 15 days
All products are packed with moisture-proof protection to ensure safe transportation.
Ferro Silicon Price
The Price of FeSi depends on silicon content, order quantity, and market conditions.
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FAQ
Q:What sizes can you supply?
A:We provide multiple sizes from 0–3 mm to 10–50 mm, with customization available.
Q:Do you provide COA?
A:Yes, COA is provided for every shipment. Contact us to receive sample reports.
Q:What is your MOQ?
A:The minimum order quantity is 1 ton.
Q:What is your delivery time?
A:Delivery time is about 15 days for stock products.
Q:Can you support long-term supply?
A:Yes, we support stable long-term supply with consistent quality.
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