Ferro Silicon is mainly used in the manufacture of steel and cast iron and produce fine quality steel. It is used to remove oxygen from steel for better quality and durability. Our clients also use Ferro Silicon to manufacture pre-alloys like Magnesium Ferro Silicon (FeSiMg). It is used to modify melted malleable iron.

Size: 0—1mm，0-3mm,3-10mm, 10-100mm or customized
Application: deoxidizer in the steel making; alloying agent in the iron casting; nodulizer
Packing: (1)25Kg/bag, 1MT/bag (2)according to client's requirements
Payment term： T/T OR L/C 100% at sight
Delivery time：Within 15 days after receiving the prepayment

Ferro silicon (FeSi) is widely used in the steel industry as an alloying agent to enhance the properties of steel. Here are some key uses and benefits of ferro silicon in the steel industry: 

Deoxidation and Desulfurization: FeSi is commonly used as a deoxidizing agent in steelmaking. During the steel production process, oxygen can be present in the molten metal, which can cause various issues such as porosity and reduced mechanical properties. FeSi reacts with the oxygen, forming silica (SiO2) and minimizing the oxygen content in the steel. Additionally, FeSi aids in the desulfurization process by combining with sulfur to form a slag, reducing the sulfur content in the steel. 

Increased Tensile Strength: The addition of FeSi to steel increases its tensile strength and hardness. FeSi enhances the hardenability of steel, allowing it to be effectively heat treated to achieve the desired mechanical properties. This is particularly important for applications that require high strength and durability, such as construction materials, automotive components, and machinery parts. 

Improved Electrical and Magnetic Properties: FeSi has excellent electrical and magnetic properties, making it useful for electrical steel production. Electrical steels, also known as silicon steels or transformer steels, are specifically designed for applications that require high magnetic permeability and low core losses. FeSi improves the magnetic properties of steel, making it suitable for power transformers, electric motors, and other electromagnetic devices. 

Thermal Expansion Control: FeSi helps control the thermal expansion characteristics of steel. By adjusting the silicon content in steel using FeSi, the coefficient of thermal expansion can be modified. This is beneficial in applications where dimensional stability is important, such as in high-temperature environments or when components with different materials need to be joined together. 

Grain Refinement: FeSi can contribute to grain refinement in steel. It promotes the formation of fine-grained microstructures, which can enhance the mechanical properties and reduce the susceptibility to cracking or failure. Fine-grained steel is often preferred in industries where superior toughness and fatigue resistance are required, including construction, aerospace, and energy sectors. 

Cost Efficiency: FeSi is a relatively inexpensive alloy, making it an economical choice for steel production. It provides several desirable properties and can be easily controlled and adjusted based on specific steel requirements, allowing for cost-effective alloying. 

Overall, the use of ferro silicon in the steel industry provides various benefits, including deoxidation and desulfurization, increased tensile strength, improved electrical and magnetic properties, thermal expansion control, grain refinement, and cost efficiency. These advantages contribute to the production of high-quality steel suitable for a wide range of applications.