| Grade | Price (USD/Ton) | Change | Trade Term |
|---|---|---|---|
| 553 | 1330-1360 | -- | FOB Huangpu Port |
| 441 | 1380-1430 | -- | FOB Huangpu Port |
| 421 | 1450-1500 | -- | FOB Huangpu Port |
| 3303 | 1490-1510 | -- | FOB Huangpu Port |
| 2202 | 2000-2100 | -- | FOB Huangpu Port |
Market Overview: Higher-purity grades such as 2202 and 3303 continue to command premium prices because of stricter impurity controls and their suitability for demanding downstream applications.
Silicon metal is a metallurgical-grade silicon material containing approximately 98% to 99.9% silicon. It is produced by reducing quartz (SiO₂) with carbon-based reducing agents such as coal, coke, and charcoal in electric furnaces operating above 1800°C.
Unlike ferrosilicon, silicon metal contains very little iron and is primarily valued as a silicon source rather than an alloying material.
How Is Silicon Metal Produced?
The manufacturing process begins with high-purity quartz and carefully selected reducing agents. These materials are smelted in submerged arc furnaces where silicon dioxide is reduced to elemental silicon.
The production process generally includes:
- Quartz selection and preparation
- Reducing agent preparation
- Electric furnace smelting
- Refining and impurity control
- Crushing and screening
- Packaging and export shipment
Electricity consumption accounts for a substantial portion of total production cost, making energy prices one of the most important market drivers.
Silicon Metal Grade Explanation
The numerical designation of silicon metal grades reflects maximum impurity levels of iron, aluminum, and calcium.
| Grade | Fe (%) Max | Al (%) Max | Ca (%) Max | Main Application |
|---|---|---|---|---|
| 553 | 0.5 | 0.5 | 0.3 | Aluminum Alloy |
| 441 | 0.4 | 0.4 | 0.1 | Aluminum & Chemical Industry |
| 421 | 0.4 | 0.2 | 0.1 | Silicone Production |
| 3303 | 0.3 | 0.3 | 0.03 | Premium Chemical Applications |
| 2202 | 0.2 | 0.2 | 0.02 | Polysilicon & Electronics |
Typical Technical Specifications
| Item | Specification |
|---|---|
| Si Content | 98.5% - 99.9% |
| Particle Size | Lumps, Granules, Powder |
| Standard Packaging | 1 MT Jumbo Bag |
| Origin | China |
| Application Industries | Metallurgy, Chemical, Solar, Electronics |
Applications of Silicon Metal in the Chemical Industry
Silicon metal serves as the primary raw material for silicone products, including silicone oils, silicone rubber, sealants, and specialty organosilicon compounds.
The chemical sector generally favors grades such as 421 and 3303 because lower impurity levels improve process efficiency and product quality.
Global demand for silicone-based materials continues to support long-term consumption of high-quality industrial silicon.
Applications of Silicon Metal in Metallurgical Industry
In aluminum alloy production, silicon metal improves casting performance, wear resistance, fluidity, and mechanical properties.
It is widely consumed in automotive, aerospace, construction, transportation, and industrial manufacturing sectors.
Grade 553 remains one of the most widely traded materials due to its cost-effectiveness in aluminum alloy applications.
Applications of Silicon Metal in Solar and Semiconductor Industries
High-purity silicon metal serves as the starting material for polysilicon production, which is subsequently processed into photovoltaic wafers and semiconductor-grade silicon.
Lower impurity levels are critical because trace contaminants can significantly affect electrical performance and conversion efficiency.
Silicon Metal 553 vs 441 vs 421 vs 3303 vs 2202
| Grade | Purity Level | Price Level | Main Industry |
|---|---|---|---|
| 553 | Standard | Lowest | Aluminum Alloy |
| 441 | Medium | Low | Chemical & Metallurgy |
| 421 | High | Medium | Silicone Industry |
| 3303 | Higher | High | Special Chemicals |
| 2202 | Premium | Highest | Polysilicon Production |
Silicon Metal vs Ferrosilicon
| Property | Silicon Metal | Ferrosilicon |
|---|---|---|
| Main Composition | Silicon | Iron + Silicon |
| Si Content | 98%+ | 15%-90% |
| Main Application | Chemical, Solar, Aluminum | Steelmaking |
| Iron Content | Very Low | High |
| Value Driver | Purity | Alloy Performance |
Silicon Metal vs Polysilicon
| Item | Silicon Metal | Polysilicon |
|---|---|---|
| Purity | 98%-99.9% | 99.9999%+ |
| Main Use | Industrial Raw Material | Solar Cells & Semiconductor |
| Production Stage | Primary Product | Deep Processed Product |
| Price Level | Lower | Much Higher |
How to Buy Silicon Metal Efficiently?
When purchasing silicon metal, buyers should evaluate impurity levels, particle size distribution, production consistency, packaging standards, and supplier reliability.
To obtain accurate quotations, provide:
- Required grade
- Particle size
- Monthly volume
- Destination port
- Target application
- Quality certification requirements
Clear procurement specifications help reduce sourcing risks and improve supply chain efficiency.
Contact Us
Email: market@zanewmetal.com
WhatsApp: +86 15518824805
We supply Silicon Metal 553, 441, 421, 3303, 2202, customized sizes, and export-grade packaging for global metallurgical, chemical, aluminum, and solar industries.
FAQ
What is the current Silicon Metal price in China?
As of June 16, 2026, FOB Huangpu quotations range from USD 1330-1360/MT for Grade 553 and USD 2000-2100/MT for Grade 2202.
What is Silicon Metal 553 used for?
Grade 553 is primarily used in aluminum alloy production because it offers an excellent balance between purity and cost.
Why is Silicon Metal 2202 more expensive?
Grade 2202 contains significantly lower impurity levels, making it suitable for high-value applications such as polysilicon manufacturing.
What particle sizes are available?
Common sizes include 0-1 mm, 1-10 mm, 10-50 mm, lumps, granules, and powders.
Can Silicon Metal be used in steelmaking?
Yes, but ferrosilicon is generally preferred because it provides both silicon and iron for alloying and deoxidation.
Which grade is best for silicone production?
Grade 421 is one of the most commonly used grades in the silicone chemical industry.
How is Silicon Metal packaged?
Standard export packaging is typically 1 MT jumbo bags, with customized packaging available.
What certifications can suppliers provide?
Most professional suppliers can provide COA, SGS reports, SDS documentation, and ISO certification.