Ferrosilicon

Ferrosilicon, also called ferro silicon or FeSi, is an iron-silicon alloy widely used in steelmaking, foundry casting, ferroalloy production and magnesium smelting. It is mainly used as a deoxidizer and alloying agent in molten steel, and as an inoculant in cast iron production.

ZhenAn supplies different ferrosilicon grades, including FeSi45, FeSi65, FeSi70, FeSi72 and FeSi75. The suitable grade depends on the buyer's application, silicon content requirement, aluminum and calcium limits, particle size and cost target. FeSi72 and FeSi75 are commonly selected for steelmaking and foundry use, while lower-silicon grades can be used for specific metallurgical requirements.

Our ferrosilicon products are available in lumps, granules and powder. Common sizes include 10-50 mm, 10-60 mm, 10-100 mm and customized particle sizes. Packing options include 25 kg bags, 1 MT jumbo bags or customized packing for bulk industrial orders.

For an accurate quotation, please send us your required ferrosilicon grade, particle size, order quantity, packing requirement and destination port. We can recommend a suitable specification according to your application and supply plan.

Detailed chemical composition and grade options are listed below for buyers comparing FeSi75, FeSi72, FeSi70, FeSi65 and FeSi45. 

*Grade Selection Notes:

FeSi75 is commonly used in steelmaking deoxidation, alloying and magnesium smelting because of its higher silicon content. FeSi72 is also widely used in steelmaking and foundry applications, offering a practical balance between silicon content and cost.

FeSi65 can be selected for general metallurgical applications where a lower silicon content is acceptable. FeSi45 is more suitable for buyers with low-silicon alloying requirements or special formula needs.

For accurate quotation, buyers should confirm the required grade, particle size, order quantity, aluminum and calcium limits, packing method and destination port.

Inquiry >> marketing@zanewmetal.com

China High-Quality FeSi 45 65 72 75 professional suppliers--ZhenAn International

Ferrosilicon is widely used in steelmaking, foundry casting, ferroalloy production and magnesium smelting. Different grades such as FeSi75, FeSi72, FeSi65 and FeSi45 can be selected according to silicon content, aluminum and calcium limits, particle size and final application.

Steelmaking Deoxidizer

Ferrosilicon is commonly used as a deoxidizer in steelmaking. Silicon has a strong affinity with oxygen, so adding ferrosilicon into molten steel helps reduce oxygen content and improve steel quality. FeSi72 and FeSi75 are commonly selected for steel deoxidation, alloy adjustment and improving the stability of chemical composition.

Alloying Agent in Steel Production

Ferrosilicon can also be used as an alloying agent to increase silicon content in steel. It is used in carbon steel, alloy steel, spring steel, heat-resistant steel and electrical silicon steel production. The suitable ferrosilicon grade depends on the required silicon addition and impurity control.

Cast Iron Inoculant

In the cast iron industry, ferrosilicon is used as an inoculant to promote graphite formation and reduce carbide formation. Proper use of ferrosilicon can help improve the structure, machinability and mechanical properties of cast iron. Granular ferrosilicon is often selected for foundry applications because it is easier to control during addition.

Magnesium Smelting Reducing Agent

High-silicon ferrosilicon, especially FeSi75, is commonly used as a reducing agent in magnesium smelting. In the Pidgeon process, ferrosilicon helps reduce magnesium oxide under high-temperature conditions, making it an important raw material for magnesium metal production.

Ferroalloy and Welding Material Applications

Ferrosilicon powder and customized particle sizes can also be used in ferroalloy production, welding materials and other metallurgical applications. Buyers should choose the proper grade and size according to the production process, addition method and quality requirements.

Inquiry >> marketing@zanewmetal.com

With more than 30 years of experience in metallurgical raw materials, ZhenAn supplies ferrosilicon to buyers in steelmaking, foundry casting, magnesium smelting and other industrial fields. In daily export work, we often meet buyers who already know the grade they need, such as FeSi75 or FeSi72, while some customers only provide the application and ask us to recommend a suitable specification.

For ferrosilicon orders, we usually confirm several details before quotation: grade, silicon content, aluminum and calcium limits, particle size, packing method, order quantity and destination port. These details directly affect the final price and delivery arrangement. For example, steelmaking buyers often focus on stable Si content and lump size, while foundry buyers may pay more attention to granules, addition control and impurity limits.

Before shipment, we can confirm chemical composition, particle size, packing marks, loading photos and shipping documents according to the buyer's requirements. Standard packing includes 25 kg bags and 1 MT jumbo bags, and customized packing can also be discussed for bulk orders.

If you are comparing FeSi75, FeSi72, FeSi70, FeSi65 or FeSi45, please send us your required grade, size, quantity and application. We will check the suitable specification and provide a quotation based on your actual purchasing needs.

Inquiry >> marketing@zanewmetal.com

ZhenAn supplies ferrosilicon to buyers in steelmaking, foundry casting, magnesium smelting and other metallurgical industries. Our export orders usually involve different grades such as FeSi75, FeSi72, FeSi70, FeSi65 or FeSi45, with lump, granule and powder forms selected according to the buyer's production process.

For overseas buyers, stable chemical composition, suitable particle size, clear packing marks and complete shipping documents are important for smooth purchasing. Before shipment, we can confirm chemical composition, particle size, packing condition, loading photos and shipping documents according to order requirements.

We have supplied metallurgical raw materials to buyers in Asia, Europe, South America, North America and other markets. For ferrosilicon inquiries, please send your required grade, size, quantity, packing method and destination port, so we can check the suitable specification and quotation.

Inquiry >> marketing@zanewmetal.com

Inquiry >> marketing@zanewmetal.com

Q: What is ferrosilicon used for?
A: Ferrosilicon is mainly used as a deoxidizer and alloying agent in steelmaking, an inoculant in cast iron production, and a reducing agent in magnesium smelting. It is also used in ferroalloy production, welding materials and other metallurgical applications.

Q: What is the difference between FeSi75 and FeSi72?
A: FeSi75 has a higher silicon content than FeSi72 and is commonly selected when stronger silicon addition or higher deoxidation efficiency is required. FeSi72 is also widely used in steelmaking and foundry applications and may offer a practical balance between performance and cost.

Q: Which ferrosilicon grade should I choose?
A: The suitable grade depends on your application, required silicon content, impurity limits and cost target. FeSi75 and FeSi72 are common choices for steelmaking and foundry use, while FeSi65 and FeSi45 may be selected for general metallurgical or special formula requirements.

Q: What particle sizes are available for ferrosilicon?
A: Common ferrosilicon sizes include 10-50 mm, 10-60 mm, 10-100 mm, granules and powder. Customized particle sizes can also be supplied according to the buyer's furnace addition method, casting process or production requirements.

Q: What affects the price of ferrosilicon?
A: Ferrosilicon price is affected by silicon content, grade, aluminum and calcium limits, particle size, order quantity, packing method, freight cost and current raw material market conditions. For an accurate quotation, buyers should provide grade, size, quantity and destination port.

Q: Do you support bulk supply and customized packing?
A: Yes. We support bulk ferrosilicon orders and customized packing requirements. Standard packing options include 25 kg bags and 1 MT jumbo bags, and packing marks or shipping documents can be confirmed before shipment.

Hot Tags: ferrosilicon, China ferrosilicon manufacturers, suppliers, factory, FeSi 75 Powder, 45 Ferrous Silicon, Ferrosilicon Powder, FeSi 75 Powder, Iron Silicon Alloy, Iron Silicon Alloy