High Quality Silicon Metal
Metallurgical Industry
Chemical Industry
New Energy & Photovoltaics
introduction
High Quality Silicon Metal is a metallurgical-grade industrial silicon material with controlled purity and low impurity content. It is widely used as an alloying additive in aluminum and steel, and as a key raw material for chemical, photovoltaic, and electronic industries.
Product Parameter
|
Grade |
Si% (min) |
Fe% (max) |
Al% (max) |
Ca% (max) |
|
97 |
97 |
|||
|
553 |
98.7 |
0.5 |
0.5 |
0.3 |
|
441 |
99.1 |
0.4 |
0.4 |
0.1 |
|
3303 |
99.37 |
0.3 |
0.3 |
0.03 |
|
2202 |
99.58 |
0.2 |
0.2 |
0.02 |
|
1101 |
99.79 |
0.1 |
0.1 |
0.01 |
features
Controlled Impurity Levels
Strict limits on Fe, Al, and Ca enable predictable reactions and stable quality in downstream processing.
Stable Composition
Uniform composition across batches supports precise process control and reduces variability in production.
Customizable Lump Size
Supplied in tailored size ranges to optimize handling, charging efficiency, and dissolution behavior.
Reliable Supply Capability
Industrial-scale production ensures consistent availability for long-term and high-volume procurement.
applications
Metallurgical Industry
Used as a deoxidizer and alloying element in steelmaking, and as an additive in aluminum alloys to improve casting performance.
Chemical Industry
Serves as a raw material for producing silicones, silanes, and other silicon-based chemicals.
Photovoltaic & Semiconductor Sector
Refined into high-purity polysilicon for solar cells and electronic-grade silicon materials.
Energy Storage (Emerging Application)
Used in silicon-based anode materials to enhance the theoretical energy density of lithium-ion batteries.
Why Choose Us
Production Capability
- Equipped with modern submerged arc furnace (SAF) systems, medium-frequency induction furnaces, and automated alloy smelting lines
- Integrated raw material pre-treatment system, including crushing, screening, and precise batching to ensure stable furnace input
- Advanced temperature control and real-time monitoring system during smelting process to improve consistency and energy efficiency
- Strong output capacity designed to support long-term bulk wholesale and contract supply
Quality Assurance
- Strict incoming raw material inspection system
- In-house chemical laboratory testing center, equipped with spectrometer (OES), carbon-sulfur analyzer, and moisture detection equipment
- Each batch undergoes pre-shipment composition verification and sampling inspection
- Compliance with international industrial standards such as ISO quality management system (ISO 9001)
- Support for third-party inspection services (SGS, BV, CIQ or customer-designated inspection agencies)
- Batch traceability system ensuring full production record tracking from furnace to shipment
OEM & Custom Supply
- Custom production based on customer-required chemical composition and specification standards
- Flexible packaging solutions: 1MT / 25kg / 50kg woven bags, jumbo bags (FIBC), steel drums or container bulk loading
- Private label service (branding, marking, labeling)
Global Supply & Logistics
- Export-oriented supply chain system with experience serving Europe, Middle East, Southeast Asia, South America and Africa markets
- Cooperation with major international ports and freight forwarders for stable shipment arrangements
- Flexible shipping solutions: FCL (Full Container Load) and bulk vessel shipment (break bulk / dry bulk)
- Professional loading supervision to ensure accurate weight, safe packing, and moisture protection
- Timely coordination of customs clearance documents to reduce shipping delays
Customer Support & Service
- Dedicated sales and technical team with fast response
- Pre-sales technical support for grade selection, application guidance, and cost optimization suggestions
- Order tracking system with regular production and shipping updates
- After-sales support covering: Quality claim handling, technical feedback response, long-term cooperation improvement suggestions
FAQ
Q1: How does silicon metal improve aluminum alloys?
A: Silicon enhances fluidity, castability, strength, and corrosion resistance of aluminum, making it essential for automotive and casting applications.
Q2: What grades are available and how are they selected?
A: Common grades (e.g., 553, 441, 3303) are defined by silicon purity and impurity levels (Fe, Al, Ca). Selection depends on end-use requirements such as alloy quality, chemical processing, or electronics.
Q3: What particle sizes and packaging options are typically offered?
A: Silicon metal is usually supplied in lump sizes such as 10–100 mm or customized ranges, packed in bulk bags (e.g., 1 ton) or tailored packaging based on logistics needs.
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