Ferro Silicon

ZhenAn： Your Trustworthy Ferro Silicon Supplier！

ZhenAn is an enterprise specializing in metallurgy integrating production, processing, sales, import, and export business. Our products include metallic silicon, ferrosilicon, ferromolybdenum, ferrotungsten, ferrotitanium, ferrovanadium, etc.

Rich Products
Our company mainly deals in ferromolybdenum, ferrotungsten, ferrovanadium, ferrotitanium, metallic silicon, and other products. It can meet the needs of domestic and foreign markets and is exported to the United States, the European Union, and other countries and regions, as well as Southeast Asia, Africa, and the Middle East.

Quality Assurance

We have obtained several patented technologies, including SGS and other certificates. We conduct 100% inspection of key points of the product to ensure the stability and reliability of product quality.

Customizable

We have 30 years of production experience, and all products can be customized OEM and ODM. We have a full set of modern production equipment, two large production bases such as hydrometallurgy, two key laboratories, and a metallurgical materials testing center with dozens of senior researchers.

Products Widely Used

We mainly deal in ferromolybdenum, ferrotitanium, ferrovanadium, ferrotungsten, metallic silicon, ferrosilicon, metallic silicon powder, cored wire, and other metallurgical materials, which are widely used in steel smelting, alloy manufacturing, electronic industry, and other fields. Through selected raw materials and strict production processes, our products are characterized by high purity and high precision.

Ferro Silicon
Ferro silicon is an alloy material containing silicon and iron.
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Ferro Silicon 75
Main Features:
Brand Name: ZhenAn
Model Number: FeSi75
Chemical Composition: Si Fe C P S Al
Certificate： SGS
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Ferro Silicon 65
We understand market changes and customer needs and are dedicated to providing you with competitive prices.
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Ferro Silicon 72
Ferro silicon 72 is an iron alloy composed of iron and silicon. Ferrosilicon 72 is an iron-silicon alloy made from coke, steel scrapsand , quartz (or silica) as raw materials and smelted in an...
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Ferro Silicon Nitride
Granular ferrosilicon nitride is mainly used for oriented silicon steel or other steels with nitriding strength (such as HRB400 rebar).
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Ferrosilicon Nitride Powder
Application prospects of ferrosilicon nitride powder: At present, the speed and integration density of semiconductor circuits are gradually increasing, and therefore the size of semiconductor...
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Ferro Silicon 70
Ferrosilicon is used as an alloying agent in steelmaking, as an inoculant and spheroidizing agent in the cast iron industry, and as a reducing agent in ferroalloy production.
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Ferro Phosphorus
Iron Phosphorus is obtained from phosphorus-making electric furnaces. It is a symbiotic compound containing 20-26% phosphorus and 0.1-6% silicon, which can change the corrosion resistance and...
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Ferro Phosphorus Block
Ferrophosphorus is obtained from phosphorus-making electric furnaces.
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Ferro Phosphorus Granules
Ferrophosphate acts as a phosphorus additive in steelmaking and casting. Phosphorus is a harmful impurity in most steel grades, but it can improve the corrosion resistance of some steel grades.
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Ferro Silicon Powder
An iron alloy composed of iron and silicon, which is then ground into a powdery substance and used as a deoxidizer for steelmaking and ironmaking.
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Ferro Silicon Granules
Ferrosilicon is primarily used as an alloying agent in the production of steel.
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What is Ferro Silicon

Ferro Silicon Lumps is a ferroalloy composed of iron and silicon, with a varying silicon content between 10% and 90%. It is used as a deoxidizer, alloying agent for steel production, and as a reducing agent in the production of low-carbon ferroalloys. Ferro Silicon Alloy can also be used as a hearth material for electric arc furnaces due to its high melting point and low thermal expansion. It is an important raw material for various industrial processes in the steel, aluminum, and chemical industries.

Features of Ferro Silicon

High Silicon Content
FeSi Ferro Silicon's silicon content is typically between 70% and 75%, giving it good antioxidant properties. Silicon can form an oxide protective layer at high temperatures to prevent oxidation and corrosion of iron-based materials, so Ferro Silicon Briquette is often used in anti-corrosion coatings in the metallurgical industry.

High Thermal Stability

Ferro Silicon Ball can exist stably at high temperatures, so Ferro Silicon Granules can be used as a reducing agent during high-temperature processing, such as synthesizing high-purity aluminum chloride, manufacturing synthetic fibers, etc.

High-Speed Iron Content

Ferro Silicon contains a large amount of iron, which makes it an excellent casting material. In the casting process, Iron Silicon can improve the fluidity of aluminum, copper, and other alloys and increase the density and strength of castings.

High Strength

Iron Silicon Alloy increases the strength of steel. This is due to silicon's ability to replace iron in the crystal structure, thereby strengthening the metal's structure.

Fe Silicon Free Sample

Types of Ferro Silicon

Standard Ferro Silicon
Standard Ferrosilicon 75 is the most common type of ferrosilicon and typically contains around 75% to 80% silicon. It is used primarily in the production of steel and cast iron, as it improves the mechanical properties and resistance to corrosion. Additionally, it is also used in foundry applications as an inoculant to hasten the solidification process.

High Purity Ferro Silicon
High-purity Fe Silicon contains a much higher percentage of silicon, often exceeding 90%. It is often used in electrical applications and the production of special alloys. The high silicon content makes it an excellent electrical conductor, and it is often used in the production of semiconductors and other electronic components.

Low Carbon Ferro Silicon
Low-carbon ferrosilicon contains a much lower percentage of carbon than standard ferrosilicon, typically between 0.1% to 0.5%. This type of Fesi Ferrosilicon is primarily used as a deoxidizing agent in the steel industry, as it helps to eliminate impurities and improve the quality of the steel.

Microsilica
Microsilica, also known as silica fume, is a very fine particulate form of silicon produced as a by-product of the silicon and Silicon Ferro industries. It is often used in the production of concrete and cement to improve the strength and durability of the final product. The high silica content of micro silica also makes it an excellent insulator, which makes it useful in electrical applications.

Ferro Silicon Zirconium
Ferro-silicon zirconium is an alloy composed of iron, silicon, and zirconium. It is often used in the production of steel and iron, as it improves the mechanical properties of the final product. Additionally, it also helps to prevent the formation of harmful compounds such as nitrogen and sulfur during the steelmaking process.

75% Ferro Silicon
This is the most commonly used type of ferrosilicon. It has a silicon content of around 75% and is widely used in the production of carbon and stainless steel. It is also used for deoxidation and desulfurization of molten steel.

65% Ferro Silicon
This type of ferrosilicon has a silicon content of around 65% and is used in the manufacturing of cast iron. It helps in reducing the amount of oxygen and sulfur content in molten iron. It is also used in the production of nodular cast iron, which finds application in the manufacturing of automotive parts.

45% Ferro Silicon
45% Ferro Silicon has a relatively low silicon content of around 45%. It is used as a reducing agent in the production of low-carbon steel, where it helps in reducing the carbon content in steel.

50% Ferro Silicon
50% Ferro Silicon has a silicon content of around 50%. It finds application in the production of high-silicon cast iron and the manufacturing of aluminum alloys.

60% Ferro Silicon
60% Ferro Silicon has a silicon content of around 60%. It is used in the production of manganese steel, which finds application in the manufacturing of rock drills, crushers, and mining equipment.

Process of Ferro Silicon

Raw Material Screening
In the production process of Ferro Silicon, high-quality silica and iron powder need to be selected as raw materials. The selection of silica should remove impurities contained in it to ensure the quality of the alloy; the selection of iron powder should avoid harmful substances such as oxygen to ensure the purity of Ferro Silicon.

Raw Material Crushing and Mixing
The selected silica and iron powder are mechanically crushed to obtain raw materials with an average particle size of 1-3 mm. Silica and iron powder are then mixed in a certain proportion so that the silicon content in the mixture is 70%-75%.

Furnace Charging
Pour the mixed raw materials into the blast furnace cavity, first, pave the bottom of the furnace with stones to increase air permeability, and then insert the raw materials into the blast furnace charge according to different production processes and quality requirements.

Blast Furnace Smelting
Physical and chemical reactions occur in the blast furnace. Iron powder and silica undergo a reduction reaction under high temperature and pressure. Iron and silicon gradually combine to form a ferrosilicon alloy. This reaction also releases heat, causing the temperature in the furnace to rise rapidly and the reaction speed to increase.

Alloy Separation and Cooling
In the blast furnace, the ferrosilicon alloy is deposited in the lower part and separated from other solid impurities. The ferrosilicon alloy is taken out with a shovel. After taking it out, it needs to be blown with argon immediately to ensure the quality of Ferro Silicon and allowed to cool to room temperature.

How to Choose Ferro Silicon

Silicon Content

The silicon content of ferrosilicon plays a major role in determining its quality. Generally speaking, the higher the silicon content, the higher the quality. To ensure maximum efficacy, it is important to choose a product with a silicon content between 70% and 75%.

Carbon Content

The carbon content of ferrosilicon is also an important factor to consider. While high carbon content can increase the hardness of a product, it can also reduce its overall quality. It is recommended to choose ferrosilicon products with a carbon content between 0.1% and 0.2%.

Size and Shape

The size and shape of ferrosilicon particles also affect its performance. Smaller particles tend to dissolve faster and distribute more evenly, while larger particles can release silicon more slowly. The shape of the particles also affects their reactivity and solubility.

Impurities

It is important to select ferrosilicon products with the least impurities. These can affect the strength and durability of the product, leading to reduced performance and potential defects. Look for products with low levels of impurities such as sulfur, phosphorus, and carbon.

Precautions for Ferrosilicon

Store Correctly
One of the important factors in maintaining ferrosilicon is proper storage. Should be stored in a dry, cool, clean environment. Avoid wet areas as ferrosilicon will oxidize when wet, causing undesirable chemical reactions. In addition, it is crucial to provide adequate ventilation to minimize dust accumulation and the risk of combustion.

Periodic Inspection
Regular inspection of ferrosilicon is critical to detect any signs of contamination, moisture absorption, or other quality issues. Inspecting ferrosilicon before and after use helps ensure that the alloy is free of harmful contaminants such as sulfur and phosphorus. It also helps ensure that it is free of trace metals and other impurities that may affect its effectiveness.

Handling and Transportation
Ferrosilicon should be handled and transported with care to avoid physical damage that could lead to contamination or loss of quality. Avoid using sharp tools to handle ferrosilicon as they can scratch the surface and cause it to react with moisture. Likewise, use appropriate lifting equipment, such as a crane, to transport alloys as manual handling can cause chipping and cracking.

Mix and Stir
When mixing ferrosilicon with other alloys, maintaining its homogeneity is critical. Avoid adding too much moisture or using contaminated mixed materials as they can affect the chemistry of the alloy. Ferrosilicon should always be mixed in a well-ventilated, controlled environment to prevent dust accumulation.

Correct Disposal
Proper disposal of ferrosilicon is critical to preventing environmental pollution and ensuring safety. Dispose of unused ferrosilicon according to local regulations and guidelines. This helps prevent soil and water contamination and minimizes risks to human health.

Applications of Ferro Silicon

Steel Manufacturing
Iron silicon is used for the production of alloy steel and carbon steel. Adding iron silicon to steel can help improve its hardness and strength so that it is more durable and wear-resistant.

Cast Iron Manufacturing
Iron silicon is also used in the production of cast iron. Adding iron silicon to the melting iron can help improve its liquidity and reduce its viscosity, making it easier to pour into the mold.

Welding Industry
Iron silicon is used as a deoxidant in the welding industry. The deoxy is a material that removes oxygen from the welded arc, which prevents the formation of oxides and weakens the weld.

Semiconductor Industry
Iron and silicon are used as doping agents in the semiconductor industry. The doping agent is added to the semiconductor material to change its electrical properties and make it more suitable for specific applications.

Chemical Industry
Iron silicon is used as a reducing agent in the chemical industry. The restoring agent is a material that can donate electrons to other materials, which causes them to lose oxygen and reduce. This characteristic makes iron silicon useful for the production of certain chemicals (such as silicone).

30Years of experience
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ZhenAn International Co., Limited is an enterprise specializing in metallurgy and refractory products, integrating production, processing, sales, import, and export business. Our products include metallic silicon, ferrosilicon, ferromolybdenum, ferrotungsten, ferrotitanium, ferrovanadium......

Annual production and sales exceed 150,000 tons. Our factory covers an area of 30,000 square meters and has a full set of modern production equipment, two large production bases including hydrometallurgy, two key laboratories, and a metallurgical materials testing center with dozens of senior researchers.

100+

Cooperating countries

200+

professional staff

30,000 m²

Factory area

150,000 tons

Annual production and sales

Certificate

Official certification, professional after-sales service.

Identification

Certificate

MSDS

SGS

Frequently Asked Questions About Ferrosilicon

Q: What is Ferro Silicon?

A: Ferro Silicon is an alloy made up of iron and silicon, with varying proportions of each element depending on the desired application. It is commonly used in the production of steel and cast iron as a deoxidizer and inoculant. It also has applications in the manufacturing of semiconductors, magnetic materials, and coatings. Ferro Silicon is commonly produced through the reduction of silica with coke in a submerged arc furnace. The resulting alloy has high melting and boiling points, good thermal and electrical conductivity, and is resistant to corrosion.

Q: What is the history of Ferro Silicon?

A: The production process of iron and silicon involves smelting iron and silicon in the arc furnace. This process requires high-quality raw materials, such as metallurgical coal, quartz rock, and iron ore. Increased alloys contain 70-90 % silicon and 2-10 % iron. Iron silicon is used as a decadent and alloy agent in the steel industry. It is also used as a reducing agent in the production of low-carbon iron alloys (such as iron manganese and iron chromium). In addition, it is used to produce organic silicon, semiconductors, and other high-tech products. In general, the history of iron and silicon is closely related to the development of the steel and aluminum industry and the demand for high-quality alloys. Today, iron and silicon are still an important part of many industrial processes.

Q: What is Ferro Silicon used for?

A: Ferro Silicon is a ferroalloy composed of iron and silicon and is primarily used as a deoxidizer and as an alloying element in steel production. It is also used as a reducing agent in the production of low-carbon ferroalloys and the manufacturing of cast iron and other iron-based alloys. In addition, Ferro Silicon is used as a raw material in the production of silicones, semiconductors, and other electronic components.

Q: What are the chemical properties of Ferro Silicon?

A: Iron silicon is an alloy of iron and silicon. It has the following chemical characteristics: melting point: the high melting point of iron and silicon is about 1,410 ° C. Density: According to the silicon content, the density range of iron and silicon is 6.15 to 6.9 g/cm3. Corrosion resistance: Iron and silicon are highly resistant to corrosion and oxidation. It also has a majority of acid and alkali attacks.

Q: What are the physical properties of Ferro Silicon?

A: FESI (FESI) is an iron alloy, consisting of silicon with a weight of 75-80 %. It has the following physical characteristics: melting point: the melting point of iron and silicon is about 1150 ° C. Density: The density of iron and silicon is about 2.3 g/cm³. Hardness: Iron silicon is a hard and fragile material. At the MOHS scale, the hardness is 6-7. Color: Iron and silicon are usually dark gray and have metallic luster.

Q: What are the advantages of using Ferro Silicon?

A: Iron silicon is widely used as an alloying agent for the steel industry. It helps improve the quality of steel by improving its strength, hardness, ductility, and corrosion resistance. Secondly, the melting point of iron and silicon is lower than iron, which is important in the production of steel. It helps reduce the melting point of steel, makes it easier to use, and has a low production cost. Finally, iron and silicon have high liquidity, which makes it easier to pour and distribute evenly in the mold during the casting process. This helps ensure that the product is more consistent.

Q: What are the disadvantages of using Ferro Silicon?

A: Iron and silicon may be expensive, especially compared with other alloys or metals. Secondly, the production of iron silicon can release harmful emissions into the air and water, which may lead to environmental pollution. Finally, the production process of iron and silicon requires a large amount of energy, which may lead to high production costs and carbon emissions.

Q: How is Ferro Silicon produced?

A: Ferro Silicon is produced by the reduction of silica (SiO2) and coke (dry pulverized coal) in an electric arc furnace. The process involves charging the furnace with the raw materials, which are then heated to temperatures of around 2,000°C using electric energy. The reducing agent, coke, reacts with the silica to produce carbon dioxide and silicon. The silicon then combines with iron to form Ferro Silicon. The resulting Ferro Silicon is then cast into different shapes and sizes for various industrial applications. The production of Ferro Silicon is energy-intensive and requires significant electricity consumption.

Q: What are the different grades of Ferro Silicon?

A: There are several grades of iron silicon, including 65 % iron silicon, 70 % iron silicon, 75 % iron silicon, 80 % iron silicon, 85 % iron silicon, 90 % iron silicon, 95 % iron silicon, and 97 % iron silicon. Each level has different silicon content for various applications. The higher the silicon content, the more expensive the silicon is.

Q: What is the typical composition of Ferro Silicon?

A: Ferro Silicon typically contains 75-80% silicon, 3-5% aluminum, 0.1-2% carbon, and the remaining portion is made up of iron, sulfur, and other trace elements depending on the source of the raw materials and the manufacturing process. Ferro Silicon is typically made up of silicon and iron in variable proportions, with small amounts of aluminum, carbon, sulfur, and phosphorus. The exact composition can vary depending on the manufacturer and the intended use of the Ferro Silicon.

Q: What is the market size of Ferro Silicon?

A: The global iron and silicon market size is worth $ 7.8 billion in 2020, and it is expected to reach US $ 10.7 billion by 2026. In the forecast period (2021-2026), it will grow with a compound annual growth rate of 5.2 %. Market growth is attributed to the production of iron and silicon production in the production of various stainless steels, carbon steel, and other special steel production in the steel industry. In addition, the growth of automobiles, buildings, and electrical and electronics industries will further promote market growth.

Q: What are the major applications of Ferro Silicon?

A: Iron silicon is used for steel as a deciphering agent and alloy agent. It helps reduce the oxygen content in steel and enhances its mechanical and physical properties. Secondly, add iron and silicon to the melting iron to enhance the quality of the final product. It can prevent the formation of iron carbides and provide better liquidity for melting metals. Finally, iron and silicon are used as aluminum-reducing agents in aluminum. It helps to remove impurities and improve the quality of the final product.

Q: Is iron silicon safe?

A: Iron silicon alloys can be safe in some applications, such as in electric transformers and electric motors. However, they may also contain trace amounts of harmful substances, such as lead, nickel, and chromium, that can be hazardous to health if ingested or inhaled. Therefore, the specific safety of iron silicon depends on its intended use and the specific composition of the alloy.

Q: What are the major demand drivers for Ferro Silicon?

A: The main demand driver for ferrosilicon is the steel industry, which accounts for about 80% of the total alloy consumption. Ferrosilicon is used as a deoxidizer, desulfurizer, and alloying agent in steel production, making it an important input for the industry. Ferrosilicon is also used as a material for the production of castings in the foundry industry. It is used as a nodularizing agent that helps to improve the ductility and toughness of cast iron.

Q: What are the major challenges faced by Ferro Silicon producers?

A: The price of ferrosilicon is heavily dependent on the global steel industry and is subject to market volatility and changing economic conditions. This makes it difficult for producers to operate consistently and maintain consistent profit margins. and ferrosilicon producers need a constant supply of raw materials such as quartz, coal, and coke. These raw materials are subject to price fluctuations, availability, and quality issues. Producers must manage relationships and maintain timely delivery of raw materials to ensure uninterrupted production.

Q: What is the future of Ferro Silicon?

A: Judging from industry and market trends, the future of ferrosilicon seems to be optimistic. Ferrosilicon is an important alloy in the steel industry, and the demand for ferrosilicon is likely to increase as the steel industry continues to grow. In addition, ferrosilicon can also be used in the production of other alloys and in the manufacture of electronics, which can also drive demand. However, the development of alternative materials and technologies may affect the long-term demand for ferrosilicon.

Q: What are the major trends in the Ferro Silicon market?

A: As the demand for steel in construction, automotive, and infrastructure projects continues to increase, so does the demand for ferrosilicon used as a deoxidizer in steel production. Secondly, ferrosilicon alloys are popular for their superior qualities such as high ductility, tensile strength, corrosion resistance, and rust resistance. Finally, ferrosilicon is widely used in the production of cast iron alloys due to its ability to reduce the sulfur and oxygen content in molten iron and improve the quality of cast iron.

Q: What are the major factors affecting the Ferro Silicon industry?

A: The demand for ferrosilicon is directly related to steel production. As steel production increases, so does the demand for ferrosilicon. Second, the price of raw materials used to produce ferrosilicon, such as silica, coke, and iron scrap, can significantly affect manufacturers' production costs and profit margins. Finally, trade policies such as tariffs and import and export regulations can affect ferrosilicon supply and demand in different regions and countries.

Q: What is the role of Ferro Silicon in the production of steel?

A: Ferrosilicon is a ferroalloy that is used as a deoxidizer and alloying agent in steel production. It is made by mixing iron and silicon in a smelting furnace to make an alloy with a high silicon content, usually between 15% and 90%. Ferrosilicon is used to reduce the oxygen content in molten steel, which helps prevent the formation of unwanted oxides that can weaken the final product. It also increases the strength and durability of the steel by adding silicon to the mixture. In addition, ferrosilicon can also be used as a raw material for the production of other ferroalloys, such as ferromanganese and ferrochrome. It is an essential part of modern steelmaking, and its properties make it an excellent choice for a wide range of industrial applications where strength, durability, and corrosion resistance are important considerations.

Q: What are the major innovations in Ferro Silicon production?

A: Electric arc furnaces are an innovative method of producing ferrosilicon that consumes less energy, produces less pollution, and provides better recovery. As well as continuous casting, a process that can produce ferrosilicon more efficiently, without the need for frequent pouring and providing consistent product quality.

We're professional ferro silicon manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to buy ferro silicon made in China here from our factory.

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