Products Parameters
| Normal Grade | Composition |
| FeSi75 | Si:75%Min C:0.2%Max Al:2.0%Max P:0.03%Max S:0.03%Max |
| FeSi72 | Si:72%Min C:0.2%Max Al:2.0%Max P:0.03%Max S:0.03%Max |
| FeSi70 | Si:70%Min C:0.2%Max Al:2.0%Max P:0.03%Max S:0.03%Max |
| FeSi65 | Si:65%Min C:0.2%Max Al:2.0%Max P:0.04%Max S:0.03%Max |
| Low Al Grade 75%FeSi | Si:75% C:0.2% AL:0.2% P:0.035% S:0.02% |
Specification granularity: natural block, 10-100mm, 10-60mm, 3-10mm, 1-3mm, 0-1mm, or customized according to customer requirements.
Packaging: Ton bag packaging (1000kg/bag) or customized according to customer requirements.
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Products Description
Ferrosilicon 70 is usually in block or granular form, and its appearance color may vary depending on the production process and raw materials. It has high density and hardness, as well as good electrical and thermal conductivity. In addition, Ferrosilicon 70 also has certain corrosion resistance and oxidation resistance, and can maintain stable performance in a variety of harsh environments. The production of Ferrosilicon 70 is usually carried out by electric furnace smelting. During the smelting process, raw materials such as iron ore, silica and reducing agents (such as coke or coal) are placed in an electric furnace. Through high-temperature smelting and chemical reactions, the silicon element is reduced and combined with iron to form Ferrosilicon 70 alloy.
Ferrosilicon 70, as an important iron alloy material, is widely used in many industrial fields. Ferrosilicon 70 is commonly used as a deoxidizer in the steel smelting process. Due to the strong chemical affinity between silicon and oxygen, ferrosilicon 70 can quickly combine with oxygen in the molten steel to form stable silica, thereby effectively removing oxygen from the molten steel and preventing bubbles and looseness in the steel during the solidification process. and other defects. Ferrosilicon 70 can also be used as an alloy additive for the production of various special steels. When smelting structural steel, tool steel, spring steel and other steel types, adding a certain amount of ferrosilicon 70 can significantly increase the strength, hardness and elasticity of the steel, and improve the mechanical properties and processing performance of the steel.
In cast iron production, ferrosilicon 70 is often used as an inoculant. It can refine the graphite morphology in cast iron and make it more evenly distributed, thus improving the strength and hardness of cast iron. At the same time, Ferrosilicon 70 can also improve the cutting performance and wear resistance of cast iron. Ferrosilicon 70 can also be used as a nodularizing agent and plays a key role in the production of ductile iron. Adding ferrosilicon 70 can promote the precipitation and spheroidization of graphite to form spherical graphite, thereby significantly improving the mechanical properties and earthquake resistance of cast iron.
In the metallurgical industry, ferrosilicon 70 is mainly used to produce other ferroalloys and composite materials. It can be used as a reducing agent to help reduce other metal oxides and prepare the required ferroalloys. In addition, ferrosilicon 70 can also be combined with other metal elements to form composite materials to meet the needs of specific industrial fields.
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