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Grades Of Ferrosilicon

DATE:2023-04-28

The grade of Ferrosilicon is based on the elemental silicon content. The common ferrosilicon grades are mainly ferrosilicon 75, ferrosilicon 72, and ferrosilicon 65, they which are widely used in steel-making, foundry, and metallurgical industries. It becomes important to select the correct grade of ferrosilicon for the production of your product, as this has a direct impact on the purchase price and production costs.

Grades Of Ferrosilicon

Different Grades Of Ferrosilicon Content & Composition

The main chemical components in ferrosilicon are Si, Fe, Al, Ca, Mn, CR, P, S and C. Different grades of ferrosilicon chemical composition content are different, where the higher silicon content of ferrosilicon grade belongs to the high purity ferrosilicon, whether in the sale price or in the use of the effect are slightly higher than other grades of ferrosilicon.

Grade

Chemical composition(%)

Si

Al

Ca

P

S

C

min

max

75

75

1.5 1 0.04 0.02 0.2

72

72

2 1 0.04 0.02 0.2

  70

70

2 1 0.04 0.02 0.2

65

65

2 1 0.04 0.02 0.2
Size:0-3mm, 0-10mm, 10-50mm,10-100mm.

Uses And Applications Of Different Grades Of Ferrosilicon

The correct grade of ferrosilicon should be selected according to the different applications and fields of application. Ferrosilicon for steelmaking requires a high Si content, which can efficiently deoxidize the steel in the process of steelmaking, and has the purpose of improving the inclusions pattern in the steel and reducing oxides. Ferrosilicon for casting requires low sulfur and low nitrogen, which effectively reduces the tendency of cast iron to develop a white mouth, promotes the effect of conception, and improves the distribution of graphite. In the field of metallurgy, ferrosilicon is often used as a reducing agent, for example, in the production of some low-carbon ferroalloys, ferrosilicon has a good reducing effect.

Classification And Implementation Standards Of Different Grades Of Ferrosilicon

According to the different production methods and implementation standards of different grades of ferrosilicon, ferrosilicon can be divided into high ferrosilicon, normal ferrosilicon, low aluminum ferrosilicon, ferrosilicon nitride, and high purity ferrosilicon. High-purity ferrosilicon is produced using the method of off-furnace refining to effectively process the impurity elements within it, which significantly improves the purity of ferrosilicon. The thickness of the ferrosilicon of FeSi72~FeSi75 series grades produced by the iron mold casting method is required to be no more than 100mm, and the thickness of ferrosilicon of FeSi40, FeSi65, and FeSi70 grades is required to be no more than 80mm. ferrosilicon that takes direct molding by casting has a deviation of Si content of no more than 3.0%.

Ferrosilicon Grades Of XLS Metals

XLS Metals is a professional ferrosilicon manufacturer based in Anyang City, Henan Province, China, providing high-quality ferrosilicon products to customers worldwide. The company built its plant in 2017 with advanced production facilities and several patented technologies in the field of ferrosilicon production, with major ferrosilicon grades such as ferrosilicon 75, ferrosilicon 72, ferrosilicon 65, and ferrosilicon 45. In order to meet the needs of different users, XLS Metals supports the production of customized ferrosilicon, which can be processed into different sizes of lumps, grains, powders, etc. The company has also developed new ferrosilicon briquettes which are widely used in steel making and casting, etc. With high-quality ferrosilicon products and sincere services, the company is widely praised in the industry.

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