Ferro Silicon 75

Zhen an Metallurgy

Ferrosilicon 75

Ferrosilicon 75 is a silver-gray iron alloy with a silicon content of 75%. It is a common model of ferrosilicon.

The content of some elements can be customized

Stable Quality Uniform Shape

Packaging: 1 Ton Jumbo Bag

High Silicon Content 40-70%

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Unveiling the Versatility of Ferro Silicon 75

The raw materials for producing 75% ferrosilicon are mainly coke, steel scraps, and quartz stone, which are heated and smelted in an electric furnace. Ferrosilicon 75% is widely used in casting and steelmaking. It is mainly used as an inoculant and spheroidizing agent in the casting industry and as a deoxidizer in the steelmaking industry.

It can improve the strength, hardness and corrosion resistance of steel and plays a major role in the production of magnesium metal.

Specifications of ferrosilicon 75

Chemical composition(%)
ModelSiAICaMnCrPSC
FeSi 75751.510.50.50.040.020.2

Specifications of ferrosilicon 75

1.Used for steelmaking
Ferrosilicon 75 is a deoxidizer and alloying agent in the steelmaking industry. In order to ensure the quality of steel and obtain steel with qualified chemical composition, deoxidation must be carried out in the final stage of steelmaking. The chemical affinity between silicon and oxygen is very large, so ferrosilicon is a powerful deoxidizer in steelmaking, used for precipitation deoxidation and diffusion deoxidation. Adding a certain amount of silicon to steel can significantly improve the strength, hardness and elasticity of the steel.

2.Used in ductile iron
75% ferrosilicon is commonly used as an inoculant and spheroidizing agent in the cast iron industry. Adding a certain amount of ferrosilicon to cast iron can prevent the formation of carbides in the iron and promote the precipitation and spheroidization of graphite.

3.As alloy reducing agent
FeSi 75 is used as a reducing agent in ferroalloy production. High silicon ferrosilicon is a commonly used reducing agent in the production of low carbon iron alloys due to the high chemical affinity between silicon and oxygen and the low carbon content of high silicon ferrosilicon.

4.Used in metallurgy
Ferrosilicon 75% is commonly used in magnesium smelting by the gold metal method and is added during the high-temperature smelting process of magnesium metal. For every ton of magnesium metal produced, approximately 1.2 tons of ferrosilicon are consumed to replace the magnesium in CaO.MgO. Ferrosilicon plays a large role in the production of magnesium metal.

Characteristics of ferrosilicon 75

  1. Good thermal stability
    Ferrosilicon 75 has excellent thermal stability at high temperatures, can maintain good mechanical strength and oxidation resistance, and is suitable for high-temperature processes.
  2. Wear resistance
    The higher hardness of ferrosilicon gives it good wear resistance and is often used to manufacture wear-resistant parts, abrasives, etc.
  3. Resistivity
    Ferrosilicon 75 has high resistivity and can be used to manufacture electric heating elements.
  4. Slag forming ability
    In the steelmaking process, ferrosilicon 75 can promote the formation of slag and help purify molten steel.
  5. Easy processability
  6. Although the hardness is high, ferrosilicon 75 still has certain malleability and hot workability.

Ferrosilicon 75 has been widely used in steel smelting, refractory materials, wear-resistant parts, resistance components and other fields. Its high silicon content gives it excellent high temperature resistance, corrosion resistance and wear resistance. It is a very important metal silicon alloy material.

The main advantages of ferrosilicon 75

  1. High silicon content
    Ferrosilicon 75 contains 72-75% silicon, which is much higher than ordinary ferrosilicon, giving it excellent heat resistance, oxidation resistance and corrosion resistance. High silicon content helps form a dense protective oxide film in high temperature environments.
  2. Excellent fire resistance
    Due to its high silicon content and good thermal stability, Ferrosilicon 75 has excellent fire resistance and can be used at high temperatures above 1200°C for a long time, making it suitable for manufacturing advanced refractory materials.
  3. Excellent wear resistance
    Ferrosilicon 75 has a high hardness and good wear resistance, and can be used to make wear-resistant grinding wheels, wear-resistant coatings and other wear-resistant parts to extend their service life.
  4. Good thermal conductivity
    High ferrosilicon alloy has excellent thermal conductivity and can be used to manufacture products such as heating elements that require good thermal conductivity.
  5. Strong ability to purify molten steel
    During the steel smelting process, ferrosilicon 75 can promote the formation of slag, help remove impurities in molten steel, and improve the quality of steel.
  6. Good processability
    Although the hardness is high, ferrosilicon 75 still has certain hot workability and castability, which is beneficial to production and processing.
  7. Relatively low cost
    Compared with other high-purity silicon alloys, the cost of ferrosilicon 75 is relatively low and has the advantage of being economical and affordable.

Ferrosilicon 75 is widely used in the fields of refractory materials, wear-resistant parts, electric heating elements and steel smelting due to its high silicon content, excellent refractory and wear-resistant properties, as well as good thermal conductivity and purification capabilities. It is a very excellent metallic silicon Alloy materials.

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