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What is the reason for the low carbon content of ferrosilicon
Ferrosilicon sometimes contains less than 0.1% carbon, generally only 0.05 to 0.07%, what is the reason for this? Let's take a look at it:
A large number of data show that the higher the silicon content in the ferrosilicon, the lower the carbon content. According to the data, when the silicon content in the ferrosilicon is about 30%, most of the carbon in the ferrosilicon is in the state of silicon carbide (SiC). Silicon carbide is easily reduced by silicon dioxide or silicon monoxide in the crucible. Silicon carbide in ferrosilicon, especially at low temperatures, its solubility is very small, easy to precipitate and float. Therefore, the silicon carbide left in the ferrosilicon is very low, so the carbon content of the ferrosilicon is very low.
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