What is the price of silicon metal 3303? Silicon Price Chart, China Silicon Price Today
| Today's export price of industrial silicon in China |
| Brand |
Tax-inclusive price |
rise and fall |
Notes (USD/ton) |
| 421 |
1450-1500 |
-- |
Huangpu Port, FOB |
| 2202 |
2000-2100 |
-- |
Huangpu Port, FOB |
| 3303 |
1480-1500 |
-- |
Huangpu Port, FOB |
| 441 |
1340-1390 |
-- |
Huangpu Port, FOB |
| 553 |
1310-1330 |
-- |
Huangpu Port, FOB |
Silicon Metal Powder Latest Price, Manufacturers & Suppliers
| Today's price of industrial silicon powder in China |
| Note: Yuan/ton |
| Specification |
Quotation |
rise and fall |
Transaction price |
rise and fall |
| 553 (16-200 mesh) |
9900-10400 |
-- |
9700-10300 |
-- |
| Si≥99% (16-200 mesh) |
10000-10400 |
-- |
9800-10300 |
-- |
Ferro silicon (FeSi) and silicon metal are both silicon-containing materials but differ significantly in composition, properties, and industrial applications.
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Si ≥ 98.5%, minor impurities (Fe, Al, Ca)
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Steelmaking, cast iron inoculation
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Aluminum alloys, silicones, electronics
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Moderate (due to Fe matrix)
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High (pure Si readily oxidizes)
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Lower for equivalent Si in metallurgy
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Safer in molten metal processes
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Requires care due to high reactivity
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Ferro silicon is an alloy primarily used as a deoxidizer and alloying agent in steel and cast iron production. The presence of iron makes it easier to handle in metallurgical processes, reducing fuming and oxidation during addition to molten metal. It also introduces silicon into the melt to enhance strength, magnetic properties, and deoxidation.
Silicon metal, on the other hand, is a high-purity elemental form of silicon used where contamination from iron is unacceptable. It is essential in producing aluminum alloys for improved fluidity and strength, manufacturing silicones for sealants and polymers, and in semiconductor and solar cell fabrication.
Choosing between them depends on the process requirements: FeSi for cost-effective metallurgical silicon addition, and silicon metal for high-purity applications in non-ferrous and electronic industries.
Industrial-grade silicon metal refers to metallurgical silicon with purity typically between 97% and 99.9%. It is produced by carbothermic reduction of quartz in electric arc furnaces and is distinguished by controlled impurity levels.
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Metallic gray with lustrous appearance
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Industrial-grade silicon metal is primarily used in aluminum alloy production, where it improves casting fluidity, reduces thermal expansion, and enhances strength. It is also a key raw material for producing silicones-polymers with wide applications in construction sealants, automotive adhesives, and medical devices.
In the chemical industry, silicon metal acts as a reducing agent in the manufacture of phosphorus, calcium carbide, and other ferroalloys. Its moderate purity keeps costs manageable while meeting performance criteria for bulk applications.
Grades are often designated by impurity content; for example, lower iron and aluminum levels suit more demanding alloy formulations. Industrial silicon metal thus bridges the gap between low-cost metallurgical uses and the quality requirements of advanced materials manufacturing.
In casting applications, silicon metal is valued for its ability to modify metal properties and improve casting performance, especially in non-ferrous alloys.
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Increases fluidity, reduces hot tearing, refines grain structure
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Enhances wear resistance and machinability
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Improves dimensional stability and surface finish
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Acts as an alloying and degassing agent
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When added to molten aluminum, silicon metal lowers the melting point and viscosity, allowing intricate shapes to be cast with fewer defects. It also promotes a fine-grained microstructure, boosting mechanical strength and reducing porosity. In copper-based alloys, silicon improves corrosion resistance and hardness, making it suitable for marine hardware and pump components.
Silicon metal's high thermal conductivity aids in heat dissipation from cast parts, extending component lifespan. In die-casting, precise addition of silicon ensures consistent alloy behavior and reduces scrap rates.
Because of its high purity, silicon metal avoids introducing unwanted iron contamination, which could embrittle certain non-ferrous alloys. Its controlled addition allows foundries to tailor alloy properties precisely, supporting high-quality production of automotive, aerospace, and consumer goods components.
Silicon Metal 3303 is a specific grade defined by low impurity levels, particularly aluminum and calcium, making it suitable for high-performance applications such as aluminum alloys and electronics.
The "33" in 3303 indicates maximum 0.3% each for Fe and Al, while the last "03" denotes maximum 0.03% calcium. This tightly controlled composition minimizes adverse effects in sensitive alloys and chemical processes.
•High Purity: Ensures minimal contamination in aluminum alloys, preserving mechanical and corrosion-resistant qualities.
•Low Melting Loss: Stable during melting, reducing material loss.
•Good Fluidity: Dissolves evenly in melts, promoting homogeneous alloy structure.
•Electrical Conductivity: Beneficial for producing electrical components and semiconductors.
Silicon Metal 3303 is widely used in manufacturing wrought aluminum alloys for aerospace and automotive parts, where strength-to-weight ratio and fatigue resistance are critical. It is also employed in producing polysilicon for solar panels and high-grade silicones. Its consistent quality makes it a benchmark grade for premium alloy and electronic material production.
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