ZhenAn Silicon Metal 3303 and 2202 are high-purity industrial-grade silicon products with stable chemical composition and controlled impurity levels. With Si purity up to 99.9%, our silicon metal is widely used in alloy steel production, aluminum alloys, electronics, and chemical industries, where consistent performance and low impurity content are critical.
Available in 441 and 553 lump sizes, ZhenAn Silicon Metal ensures excellent melting behavior, high reaction efficiency, and reliable quality for large-scale industrial applications.
Chemical Composition & Grades
Our Silicon Metal grades are produced under strict quality control systems and comply with international industrial standards.
Typical Chemical Composition (%)
| Grade |
Si |
Fe |
Al |
Ca |
| Silicon Metal 3303 |
≥99.3 |
≤0.3 |
≤0.3 |
≤0.03 |
| Silicon Metal 2202 |
≥99.5 |
≤0.2 |
≤0.2 |
≤0.02 |
| High Purity Grade |
≥99.9 |
Customized |
Customized |
Customized |
Chemical composition can be adjusted according to customer requirements.
Available Sizes & Packaging
We supply silicon metal in standardized industrial sizes to meet different furnace and processing requirements.
Standard Sizes
- 441 Size (10–50 mm)
- 553 Size (10–100 mm)
Custom Sizes
- Granules, lumps, or crushed silicon upon request
Packaging Options
- 1 MT jumbo bags
- 25 kg bags with pallet
- Customized packaging available for export logistics
Key Physical Properties
- Appearance: Silver-gray crystalline lumps
- Melting Point: ~1414 °C
- Density: ~2.33 g/cm³
- Excellent oxidation resistance
- High thermal and electrical conductivity
Industrial Applications
Alloy Steel Production
Silicon metal 3303 and 2202 are widely used as deoxidizers and alloying agents in steelmaking:
- Improves steel strength and hardness
- Enhances oxidation resistance
- Stabilizes mechanical properties
Aluminum Alloy Manufacturing
Used to produce Al-Si alloys with:
- Improved fluidity and castability
- Enhanced corrosion resistance
- Reduced shrinkage during solidification
Electronics & Semiconductor Industry
High-purity silicon metal (99.9%) serves as raw material for:
- Polysilicon production
- Semiconductor-grade silicon processing
- Electronic components manufacturing
Chemical Industry
Applied in:
- Silicone rubber and silicone oil production
- Organosilicon compounds
- Special chemical synthesis processes
Why Choose ZhenAn Silicon Metal?
- Stable High Purity (up to 99.9%)
- Low Impurity Control for critical industrial use
- Consistent Lump Size for efficient melting
- Strict Quality Inspection before shipment
- Global Export Experience serving steel mills and industrial buyers
Our silicon metal is manufactured with advanced smelting technology and tested by professional laboratories to ensure batch-to-batch consistency.
Quality Control & Certification
ZhenAn follows a complete quality assurance system:
- ISO-certified production facilities
- Chemical composition analysis for each batch
- Third-party inspection (SGS, BV, or as requested)
- Full COA and MSDS provided with shipment
These measures ensure trustworthiness and compliance for international buyers.
Storage & Transportation
- Store in a dry, ventilated environment
- Avoid contact with moisture and acids
- Suitable for long-distance sea transportation
- Safe packaging to prevent contamination during shipping
Frequently Asked Questions (FAQ)
What is the difference between Silicon Metal 3303 and 2202?
The main difference lies in impurity limits. Grade 2202 has lower Fe and Al content, making it suitable for higher-end applications.
Can you supply 99.9% high-purity silicon metal?
Yes, we offer customized high-purity silicon metal up to 99.9% for electronics and chemical applications.
Are custom sizes available?
Yes, we can provide customized particle sizes based on customer furnace requirements.
What industries commonly use 441 and 553 sizes?
These sizes are widely used in alloy steel, aluminum alloy, and industrial smelting furnaces.
Contact Us for Price & Samples
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