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.
Our company is financially robust, equipped with cutting-edge production technology and machinery, and fortified by a
comprehensive quality assurance system. We take pride in delivering consistently stable and reliable product quality, making us a trusted and long-term supplier of alloy materials for well-known iron and steel enterprises
Products Description
In the industrial world of steel smelting, which is full of high temperature and power, there is a seemingly ordinary but vital material - ferrosilicon 70. This alloy composed of silicon and iron is like a "vitamin" for the steel industry. Although the amount added is not large, it can significantly improve the performance and quality of steel. Let us unveil the veil of this magical material and explore how it supports the steel backbone of modern industry.
Ferrosilicon 70 is an important member of the ferrosilicon alloy family. "70" means that its silicon content is about 70%. This silver-gray alloy material is produced in an electric arc furnace, using quartz, coke and steel scraps as raw materials and smelted at a high temperature of about 2000℃. The seemingly simple production process actually contains precise chemical ratios and strict process control. It takes about 8,000 degrees of electricity to produce one ton of ferrosilicon 70, so production is usually concentrated in areas with abundant electricity resources.
Ferrosilicon 70 plays an indispensable role in steel smelting. It is the most commonly used deoxidizer, which can effectively remove oxygen from molten steel and prevent the formation of pores and inclusions. At the same time, silicon can significantly improve the strength and hardness of steel and improve electromagnetic properties. Especially in the production of special steels such as electrical steel and spring steel, the addition of ferrosilicon 70 directly determines the final performance of the product. According to statistics, about 3-5 kilograms of ferrosilicon 70 are consumed for every ton of high-quality steel produced. As the world's largest steel producer, China produces more than 2 million tons of ferrosilicon 70 per year. Relying on abundant power resources, western regions such as Inner Mongolia and Ningxia have formed a complete ferrosilicon industry cluster. In recent years, with the improvement of environmental protection requirements, the ferrosilicon industry is undergoing a transformation from "high energy consumption" to "green manufacturing".
The application of new technologies such as closed electric furnaces and waste heat recovery has reduced energy consumption per unit product by more than 15% and reduced dust emissions by 90%. From the giant turbines of the Three Gorges Dam to the spring shock absorption system of the high-speed rail; from the silicon steel sheets in home appliances to the castings of automobile engines - ferrosilicon 70 is everywhere. It may not be well known to the public, but it actually supports the quality improvement of Made in China.
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