Silicon Metal Supplier in China | 553, 441, 3303, 2202 Grade Silicon Metal | Tiegu

Silicon Metal is a high-purity industrial material widely used in aluminum alloys, silicone chemicals, semiconductors, and photovoltaic applications. Available in grades 553, 441, 3303, and 2202, it offers excellent chemical stability and consistent performance. Various lump sizes and export-ready packaging options are available to meet international customer requirements.

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Introduction

Product Overview

Silicon Metal, also known as Industrial Silicon or Crystalline Silicon, is an important industrial raw material produced by smelting quartz and carbon-based reducing agents in submerged arc furnaces.

With its high purity, excellent chemical stability, and outstanding heat resistance, Silicon Metal is widely used in aluminum alloys, silicone chemicals, semiconductors, and photovoltaic industries.

Tiegu delivers high-quality, standards-compliant ferroalloys to international buyers, ensuring reliable supply and consistent quality across the production chain.

Common Grades

Silicon Metal is typically classified according to the content of impurity elements such as iron (Fe), aluminum (Al), and calcium (Ca).

Standard Grades

Grade	Fe (%)	Al (%)	Ca (%)
553	≤0.5	≤0.5	≤0.3
441	≤0.4	≤0.4	≤0.1
3303	≤0.3	≤0.3	≤0.03
2202	≤0.2	≤0.2	≤0.02

Specific chemical compositions are available upon request.

Please contact us to obtain detailed technical specifications and product datasheets. Contact us

Chemical Composition (Reference)

Grade	Si (%)
Silicon Metal 553	≥98.5
Silicon Metal 441	≥99.0
Silicon Metal 3303	≥99.3
Silicon Metal 2202	≥99.5

Actual specifications can be customized according to customer requirements and applicable standards.

Please contact us to request the product datasheet. Contact us

Product Specifications

Lump Sizes

Natural Lump
10-50 mm
10-100 mm
50-100 mm

Customized Processing

Crushing, screening, and customized packaging services are available according to customer requirements.

Main Applications

1. Aluminum Alloy Industry

Silicon Metal is an important additive in aluminum alloy production.

It helps improve:

Strength
Hardness
Wear Resistance
Casting Performance
Machinability

It is widely used in the production of automotive, motorcycle, aerospace, and transportation components.

2. Silicone Industry

Silicon Metal is a key raw material for manufacturing silicone monomers.

It is used in the production of:

Silicone Rubber
Silicone Oil
Silicone Resin
Sealants
Silane Coupling Agents

These products are widely applied in construction, electronics, power generation, medical, and chemical industries.

3. Semiconductor Industry

High-purity Silicon Metal can be further refined into semiconductor-grade silicon.

It serves as a critical raw material for manufacturing:

Integrated Circuits (ICs)
Semiconductor Devices
Electronic Components

4. Photovoltaic Industry

High-purity silicon materials are essential for the production of solar cells and photovoltaic modules.

Product Advantages

High Silicon Purity
Low Impurity Content
Stable Chemical Properties
Multiple Grade Options Available
Suitable for Various Industrial Applications
Export-Ready Packaging
Reliable Supply Capability

Packaging Options

Available according to customer requirements:

Bulk Cargo
25 kg Woven Bags
1 MT Jumbo Bags
Bottom-Opening Jumbo Bags
Palletized Packaging
Customized Packaging

Storage and Transportation

Silicon Metal should be stored in a dry and well-ventilated warehouse.

During transportation and storage, avoid:

Exposure to moisture or rain
Damaged packaging
Contact with acids, alkalis, or other corrosive substances

Proper storage helps maintain product quality and performance.

Quality Control

To ensure consistent quality, we provide:

Chemical Composition Analysis
Particle Size Inspection
Mill Test Certificate (MTC)
Third-Party Inspection Services (Optional)

Please contact us to request product datasheets and quality documentation.

Target Industries

Aluminum Alloy Manufacturers
Silicone Producers
Semiconductor Industry
Photovoltaic Industry
Chemical Industry
New Energy Materials Industry

Explore More Ferroalloy Products

Tiegu delivers high-quality, standards-compliant ferroalloys to international buyers, ensuring reliable supply and consistent quality across the production chain.

Supply Solutions

Tiegu delivers high-quality, standards-compliant ferroalloys to international buyers, ensuring reliable supply and consistent quality across the production chain.

We provide Silicon Metal in various grades, sizes, and packaging options while supporting customers with technical documentation, quality verification, export documentation, and international logistics coordination.

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