Silicon Metal 2202/3303/1101 | 99.9% Purity, Multiple Sizes for Steel, Electronics & Alloys
ZhenAn supplies industrial silicon metal in grades 2202, 3303, and 1101, engineered for metallurgical, electronic, and alloy manufacturing processes that demand high silicon purity and controlled impurity levels. With purity reaching up to 99.9%, our silicon metal ensures stable performance in both high-temperature smelting and precision material processing.
To match diverse furnace and production conditions, silicon metal is available in 441 and 553 size ranges, enabling flexible use across steel plants, foundries, and electronics-related industries.
Grade Classification & Purity Levels
Different production scenarios require different silicon specifications. ZhenAn offers the following standard grades:
| Silicon Grade |
Si Content |
Fe Max |
Al Max |
Ca Max |
| 2202 |
≥99.5 |
0.20 |
0.20 |
0.02 |
| 3303 |
≥99.3 |
0.30 |
0.30 |
0.03 |
| 1101 |
≥99.8–99.9 |
0.10 |
0.10 |
0.01 |
Customized impurity control available for special industrial or electronic use.
Particle Size Options
Proper size selection improves reaction efficiency and reduces silicon loss during processing.
- 441 Size: Medium-sized particles suitable for controlled alloying and cast iron production
- 553 Size: Coarse particles designed for large furnaces, offering lower oxidation loss and improved yield
- Custom Crushing & Screening: Available for specific operational requirements
Material Characteristics
- Color: Metallic silver-gray
- Crystal Structure: Hard, brittle crystalline silicon
- Melting Temperature: Approx. 1414°C
- Density: 2.33 g/cm³
- Excellent thermal and electrical conductivity
These properties make silicon metal suitable for both metallurgical reactions and downstream material conversion.
Typical Industrial Uses
Steel & Alloy Manufacturing
Silicon metal functions as an effective deoxidizer and alloying additive:
- Enhances steel cleanliness
- Improves mechanical strength
- Supports stable alloy composition
Grades 2202 and 3303 are commonly selected for alloy steel and structural steel production.
Electronics & Semiconductor Materials
High-purity 1101 silicon metal serves as an upstream raw material for:
- Polysilicon manufacturing
- Electronic-grade silicon processing
- Semiconductor and photovoltaic material preparation
Low metallic impurities are essential for consistent electrical performance.
Non-Ferrous & Special Alloys
Silicon metal contributes to:
- Aluminum–silicon alloys with improved casting behavior
- Wear-resistant and corrosion-resistant alloy systems
- Precision alloy formulation in industrial manufacturing
Production Control & Quality Assurance
ZhenAn silicon metal is manufactured using submerged arc furnace technology, combined with controlled raw material selection and strict process monitoring.
Quality measures include:
- Batch-based chemical analysis
- Internal laboratory testing
- Optional third-party inspection (SGS, BV, etc.)
- COA and MSDS documentation provided
This ensures traceability, consistency, and long-term reliability.
Packaging & Export Handling
- Standard 1 MT bulk bags
- 25 kg bags on pallets
- Moisture-resistant packaging for overseas transport
- Suitable for bulk shipment and container loading
Frequently Asked Questions
What distinguishes grades 2202, 3303, and 1101?
The main difference lies in impurity thresholds. Grade 1101 offers the highest purity, while 2202 and 3303 are optimized for metallurgical efficiency and cost balance.
Which size is recommended for steel furnaces?
553 size silicon metal is commonly used in medium and large steelmaking furnaces due to its slower oxidation rate.
Is 99.9% silicon metal available for electronics?
Yes. Grade 1101 silicon metal can reach up to 99.9% purity for electronic and photovoltaic applications.
Can specifications be adjusted?
Yes. Both chemical composition and particle size can be customized upon request.
Request Quotation or Technical Support
For pricing, specifications, or sample requests regarding Silicon Metal 2202 / 3303 / 1101, please contact:
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