High Purity Ferrosilicon (FeSi HP)
High Purity Ferrosilicon (FeSi HP)
Ultra-High Purity Ferrosilicon Supplier | Precision Solutions for Advanced Industries
High Purity Ferrosilicon (FeSi HP) is a next-generation ferroalloy engineered for industries requiring ultra-low trace elements and exceptional consistency. With silicon content up to 85% and impurities reduced to ppm levels (Al ≤0.3%, P ≤0.02%, S ≤0.01%), FeSi HP is the go-to choice for semiconductor manufacturing, aerospace alloys, and premium steel production.
Why FeSi HP Stands Out
Purity Redefined
Trace elements controlled at <100 ppm, surpassing standard industry benchmarks.
Micro-Alloying Precision
Optimized for applications demanding nanoscale uniformity.

Tailored Solutions
From ultra-fine powder (≤50μm) to custom-sized granules, we adapt to your process.
Zero Defect Commitment
Rigorous QA protocols ensure material integrity for critical applications.
Technical Specifications
| Parameter | Value |
|---|---|
| Si Content | 80%-85% |
| Aluminum (Al) | ≤0.3% (3000 ppm) |
| Phosphorus (P) | ≤0.02% (200 ppm) |
| Sulfur (S) | ≤0.01% (100 ppm) |
| Carbon (C) | ≤0.1% |
| Particle Size | 50μm-10mm (Customizable) |
Need even stricter specs? Ask about our ultra-high purity (UHP) grade with Al ≤0.1%!
Key Applications
Semiconductor Industry
Essential for high-purity polysilicon production.
Aerospace Alloys
Enhances strength-to-weight ratios in titanium and nickel superalloys.
Advanced Steelmaking
Enables ultra-low carbon steel (ULC) and electric vehicle battery components.
Solar Energy
Critical in refining photovoltaic-grade silicon.
Why Partner with Us?
We don't just supply materials-we innovate with you:
Quality Beyond Standards
Cleanroom Production: Manufactured in ISO Class 7 environments to prevent contamination.
Certifications: ISO 9001, IATF 16949 (automotive-grade compliance), and RoHS compliant.
Traceability Suite: Blockchain-backed batch tracking + downloadable material certificates.
Technical Partnership
R&D Collaboration: Co-develop bespoke alloys for your cutting-edge projects.
Failure Analysis: Lab support to troubleshoot material-related challenges.
Regulatory Guidance: Navigate REACH, Conflict Minerals, and ESG compliance.
Tech: Speed & Green
Exclusive to High-Tech: 70% of our capacity dedicated to advanced industries.
Speed-to-Market: Prototype to mass production in 6-8 weeks.
Sustainability Leadership: Zero-waste smelting with carbon offset programs.
Packaging & Shipping
Standard Packaging
Double-layer waterproof woven bags (1000kg/bag).
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Custom Packaging
Available to meet specific requirements.
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Shipping
Seamless land and sea transportation, 25 tons per 20GP container, with moisture-proof and shock-proof treatment.
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Delivery Time
Orders are shipped within 14 days under normal circumstances, under FOB/CIF terms.
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Bulk Discounts
Competitive pricing for large-volume orders.
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Call to Action
Pioneer the Future with FeSi HP!
📞 Get a Quote: Chat with our experts for custom ferrosilicon pricing.
💡 Request a Data Sheet: Dive into our full technical portfolio.
📈 Start Co-Development: Leverage our metallurgists for your breakthrough project.
🌍 Global Delivery: Reliable logistics for seamless cross-border shipments.
By choosing Fengyang's Ferrosilicon, you're partnering with a reliable supplier committed to quality, sustainability, and customer satisfaction. Contact us now to discuss your requirements!
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