Industrial Silicon Metal 553/441/1101 | Fine & Coarse Grain Si for Alloy, Cast Iron & Solar Panels | 3303/2202 Grade
ZhenAn Industrial Silicon Metal is a high-performance silicon material designed for alloy production, cast iron smelting, and solar panel manufacturing. Our silicon metal is produced with controlled grain sizes (553, 441, 1101) and stable industrial grades (3303 and 2202), ensuring reliable chemical consistency, efficient melting, and low impurity levels.
Available in both fine and coarse grain forms, ZhenAn silicon metal meets the demanding requirements of steel mills, foundries, and photovoltaic material producers worldwide.
We offer multiple industrial silicon metal grades to suit different application needs.
| 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 |
| Silicon Metal 1101 | ≥99.8 | ≤0.1 | ≤0.1 | ≤0.01 |
- 553 Grade (Coarse Grain): 10–100 mm
- 441 Grade (Medium Grain): 10–50 mm
- 1101 Grade (Fine Grain / High Purity): Customized sizes available
- Fine grain silicon metal offers faster reaction and uniform alloying
- Coarse grain silicon metal reduces oxidation loss and dust formation
- Optimized size distribution improves furnace efficiency and yield
- Appearance: Silver-gray crystalline silicon
- Melting Point: Approx. 1414 °C
- Density: 2.33 g/cm³
- Excellent thermal conductivity
- Strong oxidation resistance during smelting
Industrial silicon metal acts as a deoxidizer and alloying element:
- Improves steel strength and hardness
- Enhances oxidation resistance
- Stabilizes metallurgical reactions
Grades 3303 and 2202 are widely used in carbon steel and alloy steel smelting.
Silicon metal plays a critical role in cast iron production:
- Improves graphite formation
- Enhances fluidity and casting quality
- Reduces carbide formation
Fine and medium grain sizes (441, 1101) ensure controlled silicon addition.
High-purity silicon metal (1101 grade) is used as raw material for:
- Polysilicon production
- Solar-grade silicon processing
- Photovoltaic material manufacturing
Low impurity levels ensure high conversion efficiency in solar applications.
- Multiple Grades & Grain Sizes for different industries
- High Purity & Low Impurities
- Stable Chemical Composition
- Strict Quality Control from smelting to shipment
- Reliable Global Supply with export experience
Our silicon metal is produced using advanced submerged arc furnace technology and tested to ensure batch consistency and industrial reliability.
- ISO-certified production facilities
- Chemical analysis for each production batch
- Third-party inspection available (SGS, BV)
- COA and MSDS provided
These measures ensure trust, compliance, and long-term cooperation.
- 1 MT jumbo bags
- 25 kg bags with pallet
- Moisture-proof export packaging
- Suitable for long-distance sea transportation
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