What are the common brands size and functions of ferrosilicon?

1. Ferrosilicon 75, which generally contains 75% silicon and has low carbon, phosphorus and sulfur content.

2. Ferrosilicon 72, which usually contains 72% silicon, with intermediate carbon, sulfur and phosphorus content.

3. Ferrosilicon 65, ferrosilicon containing 65% silicon, has relatively high carbon, sulfur and phosphorus content.

The main use of ferrosilicon natural blocks is as an alloying agent in steel production. It can improve the hardness, strength, and corrosion resistance of steel, and can also improve the weldability and processability of steel.

Ferrosilicon granules, referred to as ferrosilicon inoculants, are mainly used in cast iron. In the cast iron industry, it is cheaper than steel, easy to melt and smelt, has excellent casting properties, and has much better earthquake resistance than steel. In particular, the mechanical properties of ductile iron reach or are close to those of steel.

High silicon ferrosilicon powder has very low carbon content. Therefore, high-silicon ferrosilicon powder (or silicon alloy) is a commonly used reducing agent in the ferroalloy industry when making low-carbon ferroalloys.

Used as deoxidizer and alloying agent in steelmaking industry. In order to obtain steel with qualified chemical composition and ensure the quality of steel, 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 strong deoxidizer used in steelmaking. Precipitation and diffusion deoxidation.

The role of ferrosilicon in cast iron:

Used as inoculant and spheroidizing agent in the cast iron industry. Cast iron is an important metal material in modern industry. It is cheaper than steel, easy to melt and smelt, has excellent casting properties and is much better than steel in earthquake resistance. Adding a certain amount of ferrosilicon to cast iron can prevent the iron from It forms carbides and promotes the precipitation and spheroidization of graphite. Therefore, ferrosilicon is an important inoculant and spheroidizing agent in the production of ductile iron.

The role of ferrosilicon in ferroalloy production:

Used as reducing agent in ferroalloy production. Not only is the chemical affinity between silicon and oxygen very high, but the carbon content of high-silicon ferrosilicon is very low. Therefore, high-silicon ferrosilicon is a commonly used reducing agent in the ferroalloy industry when producing low-carbon ferroalloys.

Use in other ways. Ground or atomized ferrosilicon powder can be used as a suspended phase in the mineral processing industry.

In the welding rod manufacturing industry, it can be used as a coating for welding rods. High silicon ferrosilicon powder can be used in the chemical industry to manufacture silicone and other products.

Atomized ferrosilicon powder is a spherical particle formed by atomizing ferrosilicon powder using water atomization technology. Compared with ordinary ground ferrosilicon powder, the particle size is smaller and more suitable for use in welding and other processes.

Atomized ferrosilicon powder is often used as an auxiliary material for welding coatings and is generally used as a deoxidizer in welding. You know, the welding process is not that easy. Arc stabilizer. It is a substance that is easily ionized. Compounds of potassium, sodium, and calcium are mostly used, such as potassium carbonate, feldspar, chalk, water glass, etc., which can improve the stability of arc combustion and make the arc easy to ignite.

Atomized ferrosilicon powder is a component of the coating and is mainly used in the welding field. Welding rod is a main material in the field of welding. It is mainly composed of welding core and coating. Welding rod without coating not only cannot produce good welding effect, but also is difficult to operate.

Atomized ferrosilicon powder is generally made of ferrosilicon with a silicon content of about 45%, which is processed through a water atomization process. The addition of atomized ferrosilicon powder can help improve the deoxidation of the welding rod and reduce the amount of oxygen in welding. interference. Atomized ferrosilicon powder is often used as an auxiliary material for welding coatings and is generally used as a deoxidizer in welding. Welding usually refers to the welding of metals. It is a forming method that uses heating or pressure, or both at the same time, to create an inter-atomic bonding force between two separate objects and connect them into one body. During the welding process, oxygen, nitrogen and water vapor in the air penetrate into the weld, which will have adverse effects on the weld. Not only does it form pores, but it also reduces the mechanical properties of the weld and even causes cracks. After the electrode coating melts, a large amount of gas is generated that covers the arc and molten pool, which will reduce the interaction between the molten metal and the air.