What Ferrosilicon Grades and Specifications Do We Offer?
We supply a full range of ferrosilicon products designed for steelmaking, casting, and metallurgical applications. Each grade is produced under strict quality control to ensure stable silicon content and consistent performance in industrial furnaces.
| Item | Specification |
|---|---|
| Grades | FeSi75 / FeSi72 / FeSi70 / FeSi65 |
| Silicon Content | 65% – 75% |
| Forms | Natural blocks / standard blocks / granules / powders |
| Particle Size | 0–10mm / 10–50mm / 10–150mm / customized |
| Packing | 1 metric ton / big bag |
| Sample | Free sample available |
| Inspection | SGS / BV / AHK or third-party inspection |
What Is Ferrosilicon and Why Is It Widely Used in Metallurgy?
Ferrosilicon is an iron-silicon alloy widely used in steelmaking, cast iron production, ferroalloy manufacturing, and magnesium smelting. It acts as a powerful deoxidizer and alloying agent, helping improve metal purity and mechanical strength.
Depending on silicon content, different grades such as FeSi75 or FeSi65 are selected to match specific industrial requirements.
How Do Ferrosilicon Forms and Sizes Affect Industrial Use?
Different production processes require different material forms:
Natural and standard blocks are used for large furnace operations due to slower and stable melting behavior.
Granules and powders are preferred for precise alloying and faster reaction control.
Particle sizes such as 0–10mm, 10–50mm, and 10–150mm ensure compatibility with various furnace types, from induction furnaces to large blast furnaces.
Where Is Ferrosilicon Used in Industry?
Ferrosilicon plays a key role in multiple metallurgical applications:
Steelmaking: deoxidation and silicon alloying
Cast iron production: improving graphite structure
Ferroalloy manufacturing: as a base material
Magnesium smelting: reducing agents in Pidgeon process
Foundry industry: improving casting quality and strength
Why Choose Different Ferrosilicon Grades?
FeSi75 vs FeSi65: What Is the Difference?
FeSi75 contains higher silicon content, making it more suitable for high-end steel alloy production and efficient deoxidation processes.
FeSi65 is more economical and widely used in general steelmaking and casting industries.
FeSi72 vs FeSi70: How Do They Compare?
FeSi72 offers slightly higher silicon purity, improving deoxidation efficiency and consistency.
FeSi70 is often chosen for cost-sensitive applications where moderate performance is acceptable.
Blocks vs Granules vs Powder: Which One Should You Choose?
Blocks are ideal for stable melting in large furnaces.
Granules provide faster reaction and better control.
Powders are used in specialized metallurgical or alloy blending processes.
What Are the Key Advantages of Our Ferrosilicon Supply?
stable silicon content across all grades
flexible size and form options for different furnaces
strong supply capacity for bulk export orders
free sample testing before mass production
third-party inspection available for quality assurance
Designed for reliable, large-scale industrial use.
FAQ
What is ferrosilicon used for?
It is used for deoxidation and alloying in steelmaking, casting, and metallurgy.
Which grade of ferrosilicon is most common?
FeSi75 is the most widely used grade in steel production.
What size is best for furnace use?
10–50mm is commonly used for stable melting performance.
Can I request customized size?
Yes, customized particle sizes are available upon request.
Do you provide test reports?
Yes, SGS, BV, and third-party inspection reports are available.
Can I get a free sample?
Yes, free samples are available for evaluation.
Looking for a Reliable Ferrosilicon Supplier?
We provide stable-quality ferrosilicon for global steelmaking and metallurgical industries:
multiple grades available (FeSi75 / 72 / 70 / 65)
flexible sizing and packaging options
strict quality control and inspection support
fast global shipping for bulk orders
📩 Email: market@zanewmetal.com
📱 WhatsApp: +86 15518824805
Contact us today for competitive pricing and professional metallurgical solutions.
Third-party inspection available
ZhenAn Metallurgy & New Materials Certificates
Why Choose ZhenAn Metallurgy as Your Long-Term Partner?
30 Years of Industry Experience
ZhenAn Metallurgy has over 30 years of experience in ferroalloy production and export, providing stable quality products for global customers.
Customized Production
Chemical composition, particle size, and packaging can be customized according to customer requirements.
Stable Supply & Fast Delivery
With large production capacity and sufficient inventory, we ensure stable supply and timely delivery.
Free Samples Available
Free samples are provided for quality testing and evaluation before cooperation.
Strict Quality Control
All products undergo multiple inspections before shipment. SGS, BV, and other third-party inspections are supported.
Strong Factory Strength
Our factory is equipped with advanced production equipment, professional laboratories, and an experienced technical team to guarantee product quality and stable production.
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