High Purity Ferrosilicon FeSi Alloy for Steelmaking with 10–100mm Granules

Silicon plays a critical role in deoxidation, alloying, and foundry processes, but industrial operations often encounter challenges:

• Silicon loss from oxidation or fines during furnace charging
• Inconsistent silicon addition affecting steel and alloy chemical composition
• Graphitization and melt uniformity problems in gray and ductile iron
• Increased costs from repeated alloying adjustments or corrective actions

Ferrosilicon 75/65 from ZhenAn provides high-purity, industrial-grade FeSi with controlled particle sizes, ensuring predictable alloying, optimized deoxidation, and consistent foundry outcomes.

• Silicon (Si): approx. 65%
• Moderate deoxidation power
• Suitable for carbon steel, low-alloy steel, and standard foundry iron
• Optimized for cost-efficient alloying and predictable melt behavior

• Silicon (Si): approx. 75%
• Strong deoxidizer for high-grade and alloy steels
• Fast melting, high recovery efficiency
• Ideal for stainless steel, specialty alloys, and low-oxygen steel grades

Choosing the correct grade ensures stable steel chemistry, improved alloying efficiency, and consistent metallurgical results.

Composition can be customized for specific steel grades or foundry requirements.

• 10–100mm – standard granules for EAF, BOF, and foundry charging
• 10–220mm – coarse granules for bulk furnace addition, slower silicon release

Consistent sizing minimizes fines, improves silicon recovery, and stabilizes furnace performance.

• Primary and secondary deoxidation in carbon and alloy steels
• Silicon adjustment for precise steel chemistry
• Supports clean steel production and reduces inclusions

• Enhances graphitization in gray and ductile iron
• Stabilizes melt fluidity and casting surface quality
• Provides consistent silicon input for repeatable foundry results

• Base silicon source for specialty alloys
• Reducing agent in metallurgical reactions
• Raw material for silicon-based industrial and chemical processes

ZhenAn manufactures Ferrosilicon 75/65 using submerged electric arc furnace smelting, including:

• High-purity quartz as silicon source
• Low-impurity carbon reductants
• Controlled smelting, tapping, and cooling cycles

Post-production includes crushing, grading, magnetic separation, and batch-level chemical verification, ensuring industrial-grade consistency and reliable silicon recovery.

Each batch undergoes stringent QC to ensure:

• Stable silicon content
• Low phosphorus and sulfur
• Controlled aluminum and carbon content
• Uniform particle size distribution

This guarantees furnace efficiency, optimized alloy usage, and consistent metallurgical performance.

• 1 MT jumbo bags
• 25 kg palletized bags
• Bulk shipment for long-term industrial supply

Packaging protects against moisture and oxidation, preserving FeSi 75/65 quality during storage and transportation.

• 30+ years of ferroalloy manufacturing expertise
• Specialized in steelmaking-grade, foundry-grade, and alloying FeSi
• Flexible specifications and particle sizing
• Reliable long-term industrial supply

ZhenAn supports industrial buyers who require stable metallurgical performance, high silicon recovery, and consistent industrial-grade quality.

FeSi 65 provides moderate silicon content for standard alloy steel and cast iron, while FeSi 75 offers high silicon content, fast melting, and strong deoxidation for high-grade and specialty steels.

10–100mm granules are standard, while 10–50mm fine granules are preferred for rapid and uniform dissolution.

Yes. Both grades improve graphitization, melt stability, and casting quality.

Through submerged electric arc furnace smelting, batch chemical verification, and precise particle sizing.

Yes. ZhenAn can adjust silicon content, impurity limits, and granule sizes to meet specific steel grades, furnace types, or metallurgical processes.