What Is the Maximum Carbon, Aluminum, and Phosphorus Content in FeSi 75?
For high-quality Ferro Silicon 75 (FeSi 75), strict control of impurity elements is essential to ensure stable metallurgical performance and consistent steel quality.
At ZhenAn, the typical maximum limits for FeSi 75 are as follows:
Carbon (C): ≤ 0.20%
Aluminum (Al): ≤ 1.5–2.0%
Phosphorus (P): ≤ 0.04%
Sulfur (S) is also tightly controlled, usually ≤ 0.02%.
These limits meet the requirements of most steelmaking and foundry applications, helping to reduce inclusions, improve alloy recovery, and maintain precise chemical control. Upon request, ZhenAn can supply low carbon or low aluminum Ferro Silicon 75 grades tailored to specific process needs.
Does Ferro Silicon 75 Comply with ISO / GB / ASTM Standards?
Yes. ZhenAn Ferro Silicon 75 is manufactured in accordance with internationally recognized standards, including:
GB (China National Standards)
ISO Quality Management Standards
ASTM Specifications for Ferroalloys
Each production batch follows standardized procedures for raw material selection, smelting, crushing, sizing, and inspection. This ensures that Ferro Silicon 75 specifications consistently meet or exceed global steel industry requirements.
Compliance with these standards allows ZhenAn FeSi 75 to be widely accepted by steel plants and foundries across international markets.
Can You Provide Mill Test Certificate (MTC) for FeSi 75?
Yes. ZhenAn provides a Mill Test Certificate (MTC) for Ferro Silicon 75 with every shipment upon request.
The FeSi 75 MTC typically includes:
Chemical composition analysis
Batch or heat number
Production date
Applied standards (GB / ISO / ASTM)
Quality inspection confirmation
Third-party inspection and testing can also be arranged if required by the customer.
ZhenAn Quality Commitment
Through strict quality control, certified standards, and full traceability, ZhenAn ensures that every shipment of Ferro Silicon 75 delivers reliable performance and consistent results in steelmaking and foundry operations.
Contact ZhenAn for Quality Documentation
If you need detailed Ferro Silicon 75 specifications, compliance documents, or MTC samples, please contact ZhenAn. Our technical team is ready to support your procurement and production requirements.
ZhenAn – Trusted Supplier of Certified Ferro Silicon 75.
Visit https://www.metal-alloy.com/ to learn more about the product. If you would like to learn more about the product price or are interested in purchasing, please email market@zanewmetal.com. We will get back to you as soon as we see your message.
🏭 Why Choose ZhenAn?
We understand the common pain points in current product procurement:
•High local cost and unstable supply
•Long lead times affecting project schedules
•Incomplete product ranges
•Slow communication and lack of follow-up
We Help Solve These Problems With:
✅ Large stock ready for fast delivery
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✅ Strict quality control with international standards
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