Silicon Grains

Ferro Silicon Grains Size: 1-3mm, 3-8mm, 8-15mm, and customized Silicon grains is also know as ferro silicon inoculant. Adding silicon grains before casting can greatly increase the graphitization, improve the form and distribution of graphite, so the graphite will evenly distributed, and the segregation can be avoided, Silicon grains help increase the strength of cast iron. It is especially suitable for the production of important parts such as cylinders, cams, gears and machine tool castings with high strength requirements.

Application of Silicon Grains

  1. Silicon grains is a deoxidizer and alloying agent in the steelmaking industry.
  2. Silicon grains is an inoculant and nodulizer in the cast iron industry. Cast iron is an important metal which is  cheaper than steel, easy to melt, cast iron has excellent casting performance and much better shock resistance than steel. Especially for ductile iron, its mechanical properties are close to those of steel. Adding a certain amount of ferrosilicon to cast iron can prevent the formation of carbides in iron and promote the precipitation and spheroidization of graphite. Therefore, in the production of ductile iron, ferrosilicon is an important inoculant (to help precipitate graphite) and nodularizer .
  3. Used as a reducing agent in the production of ferroalloys. Not only the chemical affinity between silicon and oxygen is great, but also the carbon content of high silicon ferrosilicon is very low. Therefore, high-silicon ferrosilicon is a reducing agent commonly used in the production of low-carbon ferroalloys in the ferroalloy industry.

Technical Specification of Silicon Grains

Ferrosilicon inoculant Specifications
Brand Composition (%)
Si Al Ca P S C Fe
75 Silicon Grains 74.0-80.0 1.5 1 0.035 0.02 0.2 Balance
72 Silicon Grains 72 1.5 1 0.04 0.02 0.2 Balance
ferrosilicon grains ferrosilicon inoculant silicon grains



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