High-Purity Ferrosilicon Chemical Composition
The 2026 chemical analysis of Ferrosilicon.co's premium ferrosilicon confirms exceptional purity with 73.7% Silicon and 25.06% Iron, while maintaining ultra-low impurity levels for consistent industrial performance.
Strict control of Aluminium (0.20%), Calcium (0.12%), Titanium (0.12%) and Phosphorus (0.04%) ensures reliable steelmaking, foundry and metallurgical applications.
Manufactured under the Eurasia brand and exported worldwide, our ferrosilicon fully complies with ISO, EN and ASTM quality standards, supplying customers across GCC, MENA, Europe and Asia.
Introduction to Ferrosilicon Chemical Composition
Ferrosilicon is one of the most essential ferroalloys in modern metallurgy. It plays a critical role as a deoxidizer, an alloying agent, and a key enhancer of steel quality in foundries and steel plants worldwide.
As the steel industry demands increasingly pure materials for advanced applications, the exact chemical composition of ferrosilicon has become a defining factor for industrial buyers.
Eurasia Ferrosilicon Co., a leading Eurasia producer and exporter of ferrosilicon, delivers premium-grade alloy with precise chemical control, ensuring consistent performance in demanding metallurgical processes.
Our latest 2026 product analysis highlights outstanding silicon content, controlled iron levels, and ultra-low impurities — parameters that make our ferrosilicon a preferred choice for high-quality steel manufacturers worldwide.
Understanding Ferrosilicon Properties, Applications
Ferrosilicon (FeSi) is primarily composed of Silicon (Si) and Iron (Fe), with controlled trace elements that influence its metallurgical performance.
- 🏭 Steelmaking: Ferrosilicon acts as a powerful deoxidizer, removing oxygen from molten steel and improving final metal quality.
- 🔥 Casting Industry: It improves melt fluidity, enhances casting performance, and contributes to better surface finish.
- ⚡ Electrical Steel Production: Controlled silicon levels help achieve required electrical resistivity properties.
- 🧲 Ductile Iron Production: Magnesium ferrosilicon is widely used as an essential additive for producing ductile iron.
The performance of ferrosilicon depends heavily on its purity, silicon content, and chemical balance, and it is often compared against other ferro-alloys when selecting the right material for a given process. Even small variations in composition can significantly affect metallurgical results and final product quality.
Silicon (Si) – 73–75%
Ferrosilicon's high silicon content enhances strength, corrosion resistance, and energy efficiency in steel production.
Iron (Fe) – 25.06%
The balanced presence of iron ensures structural integrity while supporting magnetic properties in special alloys.
Aluminium (Al) – 0.81%
Trace aluminium improves oxidation resistance, making ferrosilicon adaptable for demanding industrial applications.
Detailed FeSi Chemical Composition (2026 Analysis)
Our 2026 in-house laboratory analysis for Eurasia Ferrosilicon Co.'s standard ferrosilicon grade confirms a high-purity alloy with carefully controlled chemical composition, ensuring consistent performance for steelmaking, foundry operations, and metallurgical applications worldwide.
| Element | Percent (%) |
|---|---|
| Si | 73.7 |
| Fe | 25.06 |
| Ti | 0.12 |
| Mn | 0.13 |
| Al | 0.81 |
| Ca | 0.12 |
Extended Element Data
Beyond the primary alloying elements, our laboratory also monitors trace elements to guarantee premium quality, process stability, and compliance with international metallurgical standards.
| Element | % | Element | % | Element | % | Element | % |
|---|---|---|---|---|---|---|---|
| Ag | 0.001 | Al | 0.81 | As | 0.001 | B | 0.001 |
| Ba | 0.001 | Bi | 0.001 | Ca | 0.12 | Cd | 0.001 |
| Co | 0.001 | Cr | 0.001 | Cu | 0.001 | Fe | 25.0 |
| Ga | 0.001 | In | 0.001 | K | 0.001 | Li | 0.001 |
| Mg | 0.001 | Mn | 0.13 | Mo | 0.001 | Na | 0.001 |
| Ni | 0.001 | P | 0.04 | Pb | 0.001 | Sb | 0.001 |
| Si | 73.7 | Sr | 0.001 | Sn | 0.001 | Ti | 0.12 |
| Tl | 0.001 | V | 0.001 | Zn | 0.001 | - | - |
Key Highlights
The table above translates into four practical advantages for buyers evaluating this grade of ferrosilicon:
- High Silicon Purity (73.7%) ensures excellent deoxidizing capability, improves steel cleanliness, and enhances metallurgical efficiency.
- Balanced Iron Content (25.06%) provides optimum alloy strength while maintaining excellent reactivity during steel production.
- Ultra-Low Impurity Levels (<0.001%) minimize contamination from elements such as lead, cadmium, arsenic, and other undesirable trace metals.
- Controlled Al, Ca, Ti and P Levels contribute to stable casting performance, reliable steel refining, and consistent industrial quality.
FeSi 75 Global Market Trends (2026)
The global ferrosilicon market continues to evolve as steel producers prioritize cleaner production methods, improved efficiency, and environmentally responsible sourcing. Demand for premium-grade FeSi 75 remains strong across steelmaking, foundry, and specialty alloy industries.
- Growing Demand for Low-Impurity Alloys: Steel mills increasingly require high-purity ferrosilicon to support green steel initiatives and reduce emissions.
- Stable Market Outlook: Despite fluctuations in raw material and energy costs, global demand continues to support relatively stable FeSi pricing.
- Expanding Export Capacity: Eurasia Ferrosilicon Co. continues to strengthen its international supply chain through strategic Eurasia ports, ensuring competitive logistics and reliable deliveries.
Why Choose Eurasia Ferrosilicon Co.?
Eurasia Ferrosilicon Co. is committed to supplying high-quality ferrosilicon products — including FeSi 72 and FeSi 70 grades — that meet the requirements of steelmakers, foundries, and industrial manufacturers around the world.
- Proven Quality: More than 10 years of experience in ferroalloy manufacturing and international supply.
- Global Export Network: Reliable shipments to customers across the GCC, Europe, Asia, Africa, and other international markets.
- Tailored Solutions: Customized particle sizes, chemical composition, and packaging options to meet individual customer requirements.
- Competitive Pricing: Cost-efficient production supported by strategic location, quality raw materials, and optimized logistics.
- Customer Commitment: Comprehensive technical consultation, documentation, and after-sales support throughout every stage of the supply process.
Frequently Asked Questions (FAQs):
Below are some of the most common questions about our ferrosilicon products, chemical composition, export capabilities, and technical specifications.
Ferrosilicon is primarily used as a powerful deoxidizer in steelmaking, an effective inoculant in iron casting, and an essential raw material for the production of magnesium and specialty alloys. It also improves steel quality, enhances mechanical properties, and increases process efficiency.
For most steelmaking applications, the preferred silicon content ranges between 72% and 75%. Eurasia Ferrosilicon Co. supplies premium grades with consistent chemistry, including our high-purity 73.7% Si product.
Yes. Our ferrosilicon is manufactured under strict quality control and complies with major international standards including EN, ASTM, and other industrial specifications required by global steel producers.
Absolutely. We manufacture and supply different lump and granule sizes as well as customized packaging solutions according to each customer's production process and logistics requirements.
We export high-quality ferrosilicon to customers throughout the GCC, MENA, Europe, and Asia, supported by reliable logistics and international documentation.
Conclusion:
The 2026 chemical analysis of Eurasia Ferrosilicon Co.'s premium ferrosilicon demonstrates a carefully engineered alloy designed to meet the evolving demands of the global steel and foundry industries. With 73.7% silicon, balanced iron content, and exceptionally low impurity levels, our product delivers reliable metallurgical performance, excellent deoxidizing capability, and consistent production results.
As manufacturers worldwide continue investing in cleaner steel production, energy efficiency, and higher-quality alloys, selecting a dependable ferrosilicon supplier has become more important than ever. Our modern production facilities, advanced laboratory testing, and strict quality assurance procedures ensure that every shipment meets international expectations for consistency and performance.
Beyond product quality, Eurasia Ferrosilicon Co. provides comprehensive export services including customized particle sizing, flexible packaging options, technical documentation, and dependable logistics to customers across the GCC, MENA, Europe, Asia, and other international markets.
Whether you are sourcing ferrosilicon for steelmaking, foundry applications, ductile iron production, or specialty alloys, our experienced team is ready to deliver premium products, competitive pricing, and long-term technical support for your business.
Contact Eurasia Ferrosilicon Co.
Looking for a reliable ferrosilicon manufacturer and exporter? Contact our international sales team for quotations, technical specifications, laboratory analysis, and export inquiries.
Export Markets
GCC • MENA • Europe • Asia
Availability
24/7 International Sales Support
Business Email
info@ferrosilicon.co
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