Ferrosilicon FeSi 65/75 Silicon Iron Alloy with 65–75% Silicon Content and 10–220mm Particle Size for Industrial Grade Steelmaking
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
5-10 work days after received the payment
Brand:
ZHENAN
Product Description
Ferrosilicon FeSi 65/75 | Fine & Coarse Grain Silicon Iron
Introduction: Ensuring Superior Steel Quality with High-Purity Ferrosilicon
In modern steelmaking, challenges such as non-uniform deoxidation, inconsistent alloying, and defects in castings can compromise product quality, increase costs, and reduce efficiency. Ferrosilicon FeSi 65/75 from ZhenAn addresses these issues by providing high-purity silicon iron in fine and coarse granules, enabling precise silicon addition, effective deoxidation, and improved metallurgical performance across steel, foundry, and alloy production processes.
In modern steelmaking, challenges such as non-uniform deoxidation, inconsistent alloying, and defects in castings can compromise product quality, increase costs, and reduce efficiency. Ferrosilicon FeSi 65/75 from ZhenAn addresses these issues by providing high-purity silicon iron in fine and coarse granules, enabling precise silicon addition, effective deoxidation, and improved metallurgical performance across steel, foundry, and alloy production processes.
What is Ferrosilicon FeSi 65/75?
Ferrosilicon FeSi 65/75 is a high-quality ferroalloy consisting primarily of silicon (Si) and iron (Fe), with silicon content ranging from 65% to 75%. Available in 10–220mm particle sizes, the alloy is suitable for both fine and coarse grain applications, making it versatile for:
- Electric arc furnace (EAF) steelmaking
- Ladle metallurgy
- Foundry cast iron and steel production
- High-silicon alloy manufacturing
Key Specifications
| Property | Typical Value |
|---|---|
| Silicon (Si) | 65–75% |
| Iron (Fe) | Balance |
| Grain Size | Fine & Coarse 10–220mm |
| Impurities | Low Sulfur & Phosphorus |
| Form | Industrial-grade FeSi |
Applications of Ferrosilicon FeSi 65/75
1. Steel Deoxidation
Excess oxygen in molten steel can result in blowholes, inclusions, and uneven mechanical properties. FeSi 65/75 acts as a potent deoxidizer, forming stable silicon oxides and producing cleaner, higher-quality steel.
Excess oxygen in molten steel can result in blowholes, inclusions, and uneven mechanical properties. FeSi 65/75 acts as a potent deoxidizer, forming stable silicon oxides and producing cleaner, higher-quality steel.
2. Alloying for High-Performance Steels
Precise silicon adjustment is critical for producing low-alloy, high-strength, and corrosion-resistant steels. Ferrosilicon 65/75 ensures uniform silicon content, enhancing tensile strength, hardness, and ductility without compromising process efficiency.
Precise silicon adjustment is critical for producing low-alloy, high-strength, and corrosion-resistant steels. Ferrosilicon 65/75 ensures uniform silicon content, enhancing tensile strength, hardness, and ductility without compromising process efficiency.
3. Foundry and Cast Iron Production
FeSi 65/75 improves cast iron fluidity, reduces shrinkage and porosity, and refines graphite structures, resulting in durable, machinable castings with superior surface finish.
FeSi 65/75 improves cast iron fluidity, reduces shrinkage and porosity, and refines graphite structures, resulting in durable, machinable castings with superior surface finish.
4. High-Silicon Alloy Production
Used in specialty alloys, Silicon Iron 65/75 provides consistent silicon supply for metallurgical reactions and chemical processes that demand high-purity FeSi.
Used in specialty alloys, Silicon Iron 65/75 provides consistent silicon supply for metallurgical reactions and chemical processes that demand high-purity FeSi.
Why Choose ZhenAn's Ferrosilicon FeSi 65/75?
- High Purity & Consistency – Silicon content strictly controlled at 65–75% for predictable performance.
- Fine & Coarse Grain Sizes (10–220mm) – Optimized for rapid dissolution and precise alloying.
- Low Impurities – Minimal sulfur and phosphorus ensure superior steel and cast iron quality.
- Industrial-Grade Reliability – Produced in electric arc furnaces from premium raw materials under stringent quality control.
- Decades of Metallurgical Expertise – ZhenAn has served global steel mills, foundries, and alloy manufacturers for over 30 years.
Production Process: High-Quality EAF Ferrosilicon
ZhenAn produces Ferrosilicon FeSi 65/75 using high-purity quartz and iron in electric arc furnaces with controlled temperature and reaction conditions. This ensures:
- Uniform silicon content across batches
- Controlled particle size distribution for fine and coarse applications
- Minimal contamination by sulfur, phosphorus, and other trace elements
This precise production method guarantees consistent performance in deoxidation, alloying, and foundry processes.
Industrial Advantages of FeSi 65/75
- Enhanced Steel and Cast Iron Quality – Reduces inclusions, porosity, and surface defects.
- Efficient Alloying – High silicon yield reduces the total quantity needed, lowering production costs.
- Optimized Melting and Dissolution – Wide particle size range (10–220mm) accelerates reactions in molten metal.
- Versatility Across Industries – Suitable for steelmaking, cast iron production, and high-silicon alloys.
FAQ: Ferrosilicon FeSi 65/75
Q1: What does "65/75" mean in Ferrosilicon FeSi 65/75?
A1: It indicates the silicon content range (65–75%) of the alloy, suitable for deoxidation and alloying in steel and cast iron production.
Q2: Can FeSi 65/75 be used in both fine and coarse grain applications?
A2: Yes. With particle sizes from 10–220mm, it is versatile for both rapid dissolution in molten steel and controlled addition in foundries.
Q3: How does FeSi 65/75 improve steel and cast iron properties?
A3: Silicon strengthens the metal matrix, enhances hardness and tensile strength, refines graphite in cast iron, and reduces non-metallic inclusions.
Q4: What are the storage and handling requirements?
A4: Store in dry, covered areas to prevent oxidation. Follow standard industrial safety protocols to avoid dust exposure.
Q5: How do I select the right FeSi grade for my steelmaking process?
A5: Select based on desired silicon content and particle size requirements. FeSi 65/75 is ideal for medium to high silicon needs, while FeSi 55/65 or 75/80 may be better for lower or higher silicon specifications.
Conclusion: Trusted Ferrosilicon FeSi 65/75 for Professional Metallurgy
ZhenAn's Ferrosilicon FeSi 65/75 delivers high-purity silicon, controlled particle size for fine and coarse applications, and industrial-grade reliability. Designed for steelmakers, foundries, and alloy producers, it ensures precise deoxidation, superior alloying performance, and consistent metal quality. With over 30 years of global experience, ZhenAn is a trusted partner for ferroalloy supply worldwide.
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Company
Zhenan Metallurgy Co., Ltd
Location
Huafu Commercial Center, Wenfeng District, Anyang City, Henan Province, China
Contact Person
xie