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Ferro Silicon(FeSi)
What is Ferro Silicon?
Ferro Silicon (FeSi) is a ferroalloy composed primarily of iron and silicon. It is one of the most important raw materials used in the steelmaking and metallurgical industries, serving as a deoxidizer and alloying agent to improve the quality, strength, and performance of steel and cast iron products.
Produced in electric arc furnaces through the reduction of silica using carbon based reducing agents, Ferro Silicon is valued for its high silicon content, consistent chemical composition, and versatility across a wide range of industrial applications.
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Ferro Silicon – Production Process
At Kinley Metal Private Limited, Ferro Silicon is manufactured using carefully selected raw materials and modern metallurgical processes. High purity quartz serves as the primary source of silicon and is combined with iron bearing materials and carbon reductants inside a submerged electric arc furnace.
The high temperatures generated within the furnace reduce silica into molten Ferro Silicon, which is then refined to achieve the required chemical composition. After refining, the alloy is cast, cooled, crushed, screened into various particle sizes, and packaged according to customer specifications.
Every stage of production is closely monitored to ensure consistent product quality, operational efficiency, and compliance with international standards.
Available Grades
Kinley Metal manufactures Ferro Silicon in standard grades to meet the diverse requirements of the steel and metallurgical industries.
| Grade | Silicon (Si) | Aluminium (Al) | Phosphorus (P) | Sulphur (S) | Carbon (C) |
|---|---|---|---|---|---|
| FeSi 70 | 70% Min | 1.5% Max | 0.05% Max | 0.05% Max | 0.15% Max |
| FeSi 75 | 75% Min | 1.5% Max | 0.05% Max | 0.05% Max | 0.15% Max |
Key Characteristics of FeSi
- High silicon recovery
- Excellent deoxidizing properties
- Stable chemical composition
- Reliable metallurgical performance
- Consistent product quality
- Suitable for domestic and export markets
Packaging
To ensure safe transportation and preserve product quality, our Ferro Silicon is available in industry-standard packaging options suitable for domestic and international shipments.
- 1 MT Jumbo Bags – Designed for large scale industrial operations and bulk handling.
- 40 KG Bags – Ideal for smaller applications and easier handling.
- Customized Packaging – Available upon customer request to meet specific logistics and handling requirements.
Applications
Ferro Silicon is widely used in a variety of industries, including:
Steel Manufacturing - Acts as an effective deoxidizer during steel production, improving cleanliness and reducing oxygen content.
Foundry Industry - Enhances the quality and mechanical properties of cast iron products while improving casting performance.
Alloy Steel Production - Provides silicon as an alloying element to improve strength, corrosion resistance, and heat resistance.
Metallurgical Industry - Used in the production of specialty alloys and other metallurgical applications requiring controlled silicon content.
Technical Specifications
| Property | Specification |
|---|---|
| Product | Ferro Silicon (FeSi) |
| Manufacturing Process | Electric Arc Furnace |
| Form | Lumps / Customized Sizes |
| Colour | Silver Grey Metallic |
| Origin | Bhutan |
| Packaging | 1 MT Jumbo Bags / 40 KG Bags |
Ferro Silicon Magnesium (FeSiMg)
What is Ferro Silicon Magnesium?
Ferro Silicon Magnesium (FeSiMg) is a ferroalloy containing iron, silicon, and magnesium, primarily used as a nodulizing agent in the production of ductile iron. It plays a critical role in modifying the shape of graphite inclusions in molten iron, transforming them from flakes into spherical or nodular forms.
By promoting the formation of nodular graphite, Ferro Silicon Magnesium improves the mechanical properties, strength, toughness, and durability of cast iron products. Its controlled chemical composition and consistent metallurgical performance make it an essential material for modern foundry operations.

Ferro Silicon Magnesium – Production Process
At Kinley Metal Private Limited, Ferro Silicon Magnesium is produced using carefully selected raw materials and controlled metallurgical processes. Ferro Silicon serves as the base alloy and is combined with magnesium and other alloying elements according to the required chemical composition.
The alloying process is carried out under controlled conditions to ensure proper incorporation and distribution of magnesium within the Ferro Silicon matrix. The resulting alloy is then cast, cooled, crushed, screened into different sizes, and packaged according to customer requirements.
Throughout the production process, quality parameters are closely monitored to maintain consistent composition, product performance, and suitability for foundry applications.
Available Grades
Kinley Metal manufactures Ferro Silicon Magnesium in grades designed to meet the requirements of ductile iron and foundry applications.
| Grade | Magnesium (Mg) | Silicon (Si) | Calcium (Ca) | Rare Earth (RE) |
|---|---|---|---|---|
| FeSiMg 5 | 5% Min | 40% Min | As Specified | As Specified |
| FeSiMg 6 | 6% Min | 40% Min | As Specified | As Specified |
Specific chemical composition and grades can be customized according to customer requirements.
Key Characteristics of FeSiMg
- Excellent nodularizing performance
- Consistent magnesium recovery
- Stable chemical composition
- Improved graphite nodularization
- Reliable metallurgical performance
- Suitable for ductile iron production
- Available for domestic and export markets
Packaging
To ensure safe transportation and maintain product quality, Ferro Silicon Magnesium is available in packaging options suitable for foundry operations and international shipments.
- 1 MT Jumbo Bags – Designed for large-scale industrial operations and bulk handling.
- 40 KG Bags – Suitable for smaller applications and easier handling.
- Customized Packaging – Available upon customer request to meet specific logistics and handling requirements.
Applications
Ferro Silicon Magnesium is primarily used in:
Ductile Iron Production – Promotes the formation of spherical graphite, improving the strength, toughness, and ductility of cast iron.
Foundry Industry – Used as a nodularizing agent to achieve the desired graphite structure and improve casting quality.
Automotive Components – Supports the production of high-strength ductile iron components such as engine and suspension parts.
Pipe and Fitting Manufacturing – Used in the production of ductile iron pipes, fittings, and other components requiring high mechanical strength and durability.
Technical Specifications
| Property | Specification |
|---|---|
| Product | Ferro Silicon Magnesium (FeSiMg) |
| Manufacturing Process | Controlled Alloying / Electric Furnace Process |
| Form | Lumps / Customized Sizes |
| Colour | Silver Grey Metallic |
| Origin | Bhutan |
| Packaging | 1 MT Jumbo Bags / 40 KG Bags |
Silica Dust
What is Silica Dust?
Silica Dust is a fine particulate material generated during the processing and handling of silica-rich raw materials. It primarily consists of silicon dioxide (SiO₂) and can be recovered and processed for use in various industrial and metallurgical applications.
Silica Dust is valued for its high silica content and fine particle size, making it suitable for applications where finely divided silica-based material is required. Its consistent quality and controlled processing make it a useful material for industrial operations.

Silica Dust – Production Process
At Kinley Metal Private Limited, Silica Dust is generated and collected during the processing of silica-rich raw materials used in metallurgical production. Advanced dust collection and material handling systems are used to capture fine particles generated during the production process.
The collected material is carefully handled, processed, and screened where required to achieve a consistent particle size and quality. The final product is then packaged according to customer requirements and prepared for safe transportation.
Quality control measures are applied throughout the handling and processing stages to ensure consistency and suitability for intended industrial applications.
Available Grades
Kinley Metal can supply Silica Dust according to customer-specific requirements, with specifications determined based on silica content, particle size, and intended application.
| Grade | Silicon Dioxide (SiO₂) | Particle Size |
|---|---|---|
| Standard Grade | As Specified | Fine Powder |
| Customized Grade | As Required | As Required |
Specific chemical composition and particle-size specifications can be provided according to customer requirements.
Key Characteristics of Silica Dust
- High silica content
- Fine particle size
- Consistent material quality
- Suitable for industrial applications
- Efficiently collected and processed
- Available in customized specifications
- Suitable for domestic and export markets
Packaging
Silica Dust is packaged to minimize material loss and ensure safe transportation and handling.
- 1 MT Jumbo Bags – Suitable for bulk industrial applications and large-scale handling.
- 40 KG Bags – Suitable for smaller quantities and easier handling.
- Customized Packaging – Available according to customer requirements.
Applications
Silica Dust can be used in a variety of industrial applications, including:
Metallurgical Industry – Used as a silica-rich material in selected metallurgical processes and applications.
Construction Materials – May be utilized as a fine mineral component in selected construction and cement-based applications, subject to required specifications.
Refractory Industry – Suitable for applications requiring silica-rich materials for the production of certain refractory products.
Industrial Manufacturing – Can be used as a raw material or mineral additive in applications requiring controlled silica content and fine particle size.
Technical Specifications
| Property | Specification |
|---|---|
| Product | Silica Dust |
| Main Component | Silicon Dioxide (SiO₂) |
| Form | Fine Powder |
| Colour | Grey / Light Grey |
| Origin | Bhutan |
| Packaging | 1 MT Jumbo Bags / 40 KG Bags |
| Particle Size | Customized / As Specified |