What is the price of silicon metal 3303?China's export price of industrial silicon on April 27, 2026
| China's export price of industrial silicon on April 27, 2026 | |||
| Brand | Tax-inclusive price | rise and fall | Notes (USD/ton) |
| 421 | 1450-1500 | -- | Huangpu Port, FOB |
| 2202 | 2000-2100 | -- | Huangpu Port, FOB |
| 3303 | 1470-1490 | -- | Huangpu Port, FOB |
| 441 | 1360-1410 | -- | Huangpu Port, FOB |
| 553 | 1300-1330 | -- | Huangpu Port, FOB |
What is Silicon Metal and What Is It Used For in Industry?
What is silicon metal and why is it widely used in industry?
Silicon metal is a refined industrial material produced by reducing high-purity quartz (SiO₂) with carbon in an electric arc furnace, resulting in a hard, brittle metallic-grade silicon with purity typically between 98% and 99.99% depending on grade.

In industry, silicon metal is widely used as a fundamental raw material for aluminum alloys, chemical production (silicones), solar energy, and electronics. In metallurgy, it improves alloy strength, corrosion resistance, and heat resistance. In chemical industries, it is the base material for producing silicone oils, resins, and rubber.
Because of its versatility, silicon metal is considered a strategic industrial material across metallurgy, energy, and chemical manufacturing sectors.
What are the specifications and technical parameters of silicon metal?
| Item | Specification |
|---|---|
| Product Name | Silicon Metal |
| Purity | 98% – 99.99% |
| Main Grades | 553 / 441 / 3303 / 2202 / 1101 |
| Form | Lump / granular / customized |
| Size | 10–100 mm |
| Appearance | Metallic grey / silver lump |
| Melting Point | ~1410°C |
| Density | 2.33 g/cm³ |
| Main Applications | Aluminum alloys, chemicals, electronics, solar |
| Packaging | 1MT big bags / bulk shipment |
Silicon metal is commonly supplied by a professional Silicon metal manufacturer China, where large-scale production ensures stable quality and global export capability.
How is silicon metal used in different industrial sectors?
In the aluminum industry, silicon metal is a key alloying element used to improve strength, fluidity, and corrosion resistance of aluminum alloys. It is widely used in automotive parts, construction materials, and aerospace components.
In the chemical industry, silicon metal is used to produce silicones, including silicone oil, rubber, and resins. These materials are essential in waterproofing, insulation, sealants, and medical applications.
In the photovoltaic and electronics industries, high-purity silicon metal is further refined into polysilicon, which is the core material for solar panels and semiconductors.
From a metallurgical perspective, metallurgical-grade silicon improves alloy performance and is widely used in steel and non-ferrous metal production. A stable Silicon metal supplier ensures consistent raw material quality across these industries.
What is the difference between Silicon Metal 553 and 441?
Silicon Metal 553 is one of the most commonly used grades in industrial applications. It contains controlled levels of impurities such as iron, aluminum, and calcium, making it suitable for general aluminum alloy production and chemical use.
Silicon Metal 441 has higher purity and lower impurity levels compared to 553. It is more suitable for higher-grade aluminum alloys where better mechanical performance and cleaner composition are required.
Comparison:
553 = cost-effective, general industrial use, aluminum alloy production
441 = higher purity, improved alloy performance, better structural applications
In procurement, 553 is often chosen for cost-sensitive production, while 441 is preferred for higher-performance aluminum alloy applications, especially when sourcing from a stable Metallurgical grade silicon metal supplier.
What is the difference between Silicon Metal 441 and 3303?
Silicon Metal 441 is a mid-to-high grade product used widely in aluminum alloys and chemical industries, offering a balance between cost and purity.
Silicon Metal 3303 has stricter impurity control, especially lower iron and calcium content. It is more suitable for high-end chemical applications and precision alloy production, where stability and purity are critical.
Key differences:
441 = general high-quality industrial use, balanced cost-performance
3303 = higher purity control, advanced chemical and alloy applications
Because of stricter refining requirements, 3303 is usually priced higher in the Silicon metal price per ton market compared to 441.
What is the difference between silicon metal and ferrosilicon?
Silicon metal is a high-purity elemental silicon material (98%–99.99%), while ferrosilicon is an iron-silicon alloy used mainly in steelmaking.
Silicon metal is primarily used in:
Aluminum alloys
Chemical silicone production
Solar and semiconductor industries
Ferrosilicon is mainly used for:
Steel deoxidation
Casting inoculation
Alloy steel production
In summary:
Silicon metal = high-purity industrial raw material for advanced industries
Ferrosilicon = metallurgical alloy for steelmaking and casting
This distinction is important for buyers selecting between industrial-grade and metallurgical-grade materials from an industrial silicon metal exporter.
Why is silicon metal important in modern industry?
Silicon metal is a strategic raw material that supports multiple high-value industries, including aluminum production, chemical manufacturing, renewable energy, and electronics.
Its ability to enhance alloy properties, enable chemical synthesis, and serve as a base material for advanced technologies makes it indispensable in modern industrial systems. Different grades such as 553, 441, and 3303 allow buyers to balance cost and performance based on application requirements.
FAQ
1. What is silicon metal used for?
It is used in aluminum alloys, silicones, solar panels, and electronics due to its high purity and stable chemical properties.
2. What is metallurgical grade silicon metal?
It refers to silicon metal used in alloy production, typically with 98%–99% purity.
3. What affects silicon metal price per ton?
Quartz quality, electricity cost, purity grade, and global industrial demand are key pricing factors.
4. What is the difference between 553 and 441 silicon metal?
553 is more cost-effective, while 441 has higher purity and is used for better-quality aluminum alloys.
5. Can silicon metal be used in solar panels?
Yes, high-purity silicon metal is refined into polysilicon for photovoltaic and semiconductor applications.
6. Why source silicon metal from China?
China has large-scale production capacity, stable supply chains, and competitive global pricing.
Looking for a reliable Silicon metal supplier?
If you are sourcing a stable Silicon metal manufacturer China, we provide consistent quality, competitive pricing, and global export support.
We supply:
Silicon metal 553 / 441 / 3303
Metallurgical grade silicon metal
High purity silicon metal for industrial applications
📩 Email: market@zanewmetal.com
📱 WhatsApp: +86 15518824805
Get latest Silicon metal price per ton, technical specifications, and bulk quotation directly from a trusted Silicon metal supplier and industrial silicon metal exporter.
Third-party inspection available
Why Choose ZhenAn Silicon Metal?
For international buyers, silicon metal is not just a basic raw material-it is a key input that determines alloy performance, process stability, and downstream product quality. ZhenAn focuses on delivering consistent value across these critical factors.
1. Stable Silicon Purity Across Grades
ZhenAn supplies silicon metal with controlled purity levels (such as 553, 441, 3303), ensuring reliable chemical behavior in industrial applications.
2. Reliable Performance in Aluminum & Chemical Industries
Consistent composition supports stable alloying in aluminum production and efficient use in chemical and silicon-based applications.
3. Low Impurity Control for Better Output Quality
Strict limits on Fe, Al, and Ca help reduce defects and improve final product consistency in downstream processing.
4. Flexible Size and Packaging Options
Multiple particle sizes and export packaging solutions are available to match different furnace systems and logistics requirements.
5. Stable Supply with Export Experience
ZhenAn ensures continuous production capacity, predictable delivery schedules, and complete export documentation (COA, SDS).
Final Note
ZhenAn silicon metal is supplied for buyers who need consistent quality, stable industrial performance, and dependable long-term supply, supporting efficient global manufacturing operations.
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