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Ferro Silicon
Product description
Ferrosilicon is an iron-silicon alloy made of coke, steel shavings, and quartz (or silica) as raw materials and smelted in an electric furnace. Since silicon and oxygen can easily synthesize silicon dioxide, ferrosilicon is often used as a deoxidizer during steelmaking. At the same time, a large amount of heat is released when SiO2 is generated, it is also beneficial to increase the temperature of the molten steel. In addition, ferrosilicon can also be used as an alloying agent. It is widely used in low-alloy structural steel, spring steel, bearing steel, heat-resistant steel, and electrical silicon steel. Ferrosilicon is often used as a reductant in the production of ferroalloys and the chemical industry.
Product introduction
Specification
Chemicals ( %, ≥ , ≤ ) | |||||||
Grade | Si | Al | C | S | P | Ca | Mn |
FeSi15% | ≥15 | ≤1.0 | ≤0.8 | ≤0.04 | ≤0.04 | / | / |
FeSi45% | 40-47 | ≤2.0 | ≤0.5 | ≤0.02 | ≤0.04 | / | ≤0.7 |
FeSi 65% | ≥65 | ≤2.0 | ≤ 0.2 | ≤0.02 | ≤0.04 | ≤1.0 | ≤0.4 |
FeSi 70% | ≥70 | ≤1.5 | ≤ 0.2 | ≤0.02 | ≤0.04 | ≤1.0 | ≤0.4 |
FeSi 72% | ≥72 | ≤1.5 | ≤ 0.2 | ≤0.02 | ≤0.04 | ≤1.0 | ≤0.4 |
FeSi 75% | ≥75 | ≤1.5 | ≤ 0.15 | ≤0.02 | ≤0.04 | ≤1.0 | ≤0.4 |
Size and Package
Size: 3-8mm, 2-10mm, 10-50mm
Package: 1MT big bag
Please note that the chemical composition, size and packaging of the above products can be customized according to customers' requirements.
Applications
1.It is used as a deoxidizer and alloying agent in the steel industry. In order to obtain the steel with qualified chemical composition and ensure the quality of the 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 for steelmaking for precipitation and diffusion deoxidation.
2. It is used as inoculant and nodulant in the cast iron industry. Ferrosilicon is an important metal material in modern industry. It is cheaper than steel, easy to melt and smelt, and has excellent casting performance and much better seismic resistance than steel, especially for ductile iron, its mechanical properties are at or close to those of steel.
3. It is used as a reductant in the production of ferroalloys. The chemical affinity between silicon and oxygen is great, and the carbon content of high silicon ferrosilicon is very low. Therefore, high silicon ferrosilicon (silicon alloy) is a reductant commonly used in the production of low-carbon ferro alloys in the ferroalloy industry.