Silicon Metal 97% 3303 Product Overview
Silicon Metal 97% 3303 Grade Lump 50mm is a high-purity material designed for use in various industrial applications, including steelmaking, ferroalloy production, and aluminum refining. With a silicon content of 97%, this material offers excellent performance in demanding metallurgical processes.
The 3303 grade ensures superior chemical consistency, while the 50mm lump size is ideal for high-temperature operations, providing efficient dissolution in electric arc furnaces (EAF) and other high-temperature systems. The low impurity content, including sulfur and ash, ensures cleaner melting and better overall metal quality, making it a reliable choice for large-scale industrial applications.
Key Advantages
- 97% purity ensures consistent quality in alloying and deoxidation processes
- 3303 grade guarantees superior chemical properties for high-performance applications
- 50mm lump size ensures efficient dissolution and minimal waste
- Low sulfur and ash content reduce slag formation and improve metal quality
- Suitable for EAF, induction furnaces, and ladle refining
- Enhances carbon recovery and metal consistency
Technical Specifications
| Parameter | Value |
|---|---|
| Product | Silicon Metal 97% 3303 Grade Lump 50mm |
| Si Content | 97% |
| Grade | 3303 |
| Form | Lump (50mm) |
| Impurities | Low sulfur, ash, and volatile matter |
| Application | Steelmaking, Ferroalloy Production, Aluminum Alloying |
| Certifications | ISO 9001, SGS, COA |
Main Applications
1. Steelmaking
- Carbon and silicon adjustment in electric arc furnaces (EAF)
- Deoxidizing and carburizing molten steel
- Enhancing furnace efficiency and carbon recovery
2. Ferroalloy Production
- Carbon source in ferroalloy furnaces
- Silicon enhancement in ferrochrome and ferrosilicon production
3. Aluminum Alloy Production
- Silicon addition for refining aluminum alloys
- Enhances casting properties and quality
4. Metalcasting & Foundries
- Carbon and silicon additions for improved casting quality
- Used in iron and steel foundry operations

Why Choose Silicon Metal 97% 3303 Grade Lump 50mm?
✔ 97% silicon purity ensures reliable performance in alloying, refining, and deoxidizing processes
✔ 3303 grade guarantees chemical consistency and stable furnace operations
✔ 50mm lump size optimizes dissolution and minimizes wastage in large-scale furnaces
✔ Low sulfur and ash content promote cleaner metal production
✔ Ideal for high-efficiency operations in steelmaking, aluminum, and ferroalloy industries
Manufacturing Process
- Sourcing of premium-quality silicon ore
- High-temperature calcination and purification to achieve 97% silicon content
- Lump formation (50mm) and size classification for optimal furnace use
- Advanced impurity reduction processes to lower sulfur, ash, and volatile matter
- Quality control through inspection, testing, and packaging
Packaging & Logistics
- Available in 25 kg, 50 kg bags
- 1-ton jumbo bags for bulk orders
- Palletized and moisture-protected packaging for safe transport
- Shipping options: sea, rail, or truck
- Typical lead time: 7–15 business days
FAQ
Q1: What industries use Silicon Metal 97% 3303 Grade?
It is widely used in steelmaking, ferroalloy production, and aluminum alloy refining.
Q2: What is the ideal particle size for industrial use?
The 50mm lump size is ideal for large furnaces and efficient dissolution.
Q3: Does this product meet international standards?
Yes, it is certified under ISO 9001, SGS, and comes with a Certificate of Analysis (COA).
Q4: Can I order samples before committing to a large order?
Yes, free samples are available for testing to ensure the material meets your specifications.
Call to Action
Contact us today for pricing, samples, or technical support on Silicon Metal 97% 3303 Grade Lump 50mm. We provide high-quality products, reliable delivery, and expert support for your industrial needs.

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