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Steelmaking Ferro Silicon Lumps 75
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Shape: Lump Powder Particles
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Chemical Composition:Si Fe Al Ca Mn Cr P S C
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Size:0~1mm 1~3mm 3~8mm 10mm~50mm 10~100mm .etc
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Package: Ton bag or customized according to customer requirements
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Product Introduction
In the field of steel production, high-quality raw materials play a vital role in ensuring the quality of steel and improving production efficiency. As an indispensable key material, ferrosilicon 75 lumps for steelmaking are highly favored in the steel industry for their unique performance and stable quality.
Ferrosilicon 75 lumps refer to ferrosilicon alloys with a silicon content between 72% and 78% (usually about 75%), which are presented in block form. It is made by smelting raw materials such as silica and coke at high temperature in an electric furnace. In the steelmaking process, it has become an important element for improving steel quality due to their excellent deoxidation and alloying capabilities.
chemical composition
Grade |
Chemical Composition(mass fraction)% | |||||||
| Si | Al | Ca | Mn | Cr | P | S | C | |
|
≥ |
≤ | |||||||
| FeSi90Al1.5 | 87.0~95.0 | 1.5 | 1.5 | 0.4 | 0.2 | 0.04 | 0.02 | 0.2 |
| FeSi9oAl3.0 | 87.0~95.0 | 3 | 1.5 | 0.4 | 0.2 | 0.04 | 0.02 | 0.2 |
| FeSi75Al0.5-A | 74.0~80.0 | 0.5 | 1 | 0.4 | I0.3 | 0.035 | 0.02 | 0.1 |
| FeSi75Al0.5-B | 72.0~80.0 | 0.5 | 1 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
| FeSi75Al1.0-A | 74.0~80.0 | 1 | 1 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
| FeSi75Al1.0-B | 72.0~80.0 | 1 | 1 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
| FeSi75Al1.5-A | 74.0-80.0 | 1.5 | 1 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
| FeSi75Al1.5-B | 72.0~80.0 | 1.5 | 1 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
| FeSi75Al2.0-A | 74.0~80.0 | 2 | 1 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
| FeSi75Al2.0-B | 72.0~80.0 | 2 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 | |
| FeSi75-A | 74.0~80.0 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 | ||
| FeSi75-B | 72.0~80.0 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 | ||
| FeSi65 | 65.0~72.0 | 0.6 | 0.5 | 0.04 | 0.02 | |||
Key features and advantages
Efficient deoxidation performance:
Silicon and oxygen have a strong affinity. It lumps can quickly react with oxygen in molten steel during the steelmaking process to generate oxides such as silicon dioxide, thereby effectively removing oxygen impurities in steel and reducing the oxygen content of steel. This can not only reduce defects such as pores and looseness in steel, but also significantly improve the density and strength of steel, and improve the quality and performance of steel.
Precise alloying effect:
It is important alloying raw materials in steelmaking. Adding ferrosilicon 75 lumps in appropriate amounts can adjust the chemical composition of steel and increase the content of silicon in steel. Silicon can improve the strength, hardness and elasticity of steel, and at the same time improve the magnetic permeability of steel and reduce hysteresis loss. It is of great significance for the production of steel with special properties, such as steel for transformers.
Stable chemical composition:
The chemical composition is strictly controlled. In addition to the silicon content being stable at around 75%, the content of other impurity elements such as iron, aluminum, calcium, manganese, phosphorus, sulfur, etc. is also precisely controlled. This ensures the stability and consistency of product quality, makes the steelmaking process more controllable, and reduces the production risks caused by fluctuations in raw material quality.
Suitable block shape:
The lump shape of ferrosilicon 75 lumps has unique advantages in the steelmaking process. Its moderate size makes it easy to put and distribute in the steelmaking furnace, and it can fully contact with the molten steel to ensure the uniformity and sufficiency of the reaction. At the same time, the block structure is also convenient for storage and transportation, reducing the loss of products during storage and transportation.
Why choose US
We are committed to providing customers with high-quality products and perfect services. Our professional technical team can provide customers with technical advice and solutions to help customers optimize steelmaking processes and improve production efficiency. At the same time, we have established an efficient logistics distribution system to ensure that products can be delivered to customers in a timely and accurate manner. Whether it is a product quality issue or a question during use, our after-sales service team will respond promptly and provide customers with satisfactory solutions.
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