Ferro silicon production processMar 29, 2015 . Manufacture process of ferro silicon. . Ferro silicon production process. praveen jain. Loading. Unsubscribe from praveen jain? Cancelferro silicon manufacturing process,Ferrosilicon - WikipediaFerrosilicon is a ferroalloy, an alloy of iron and silicon with an average silicon content between . In the manufacture of cast iron, ferrosilicon is used for inoculation of the iron to accelerate graphitization. In arc welding . Ferrosilicon is also used in the Pidgeon process to make magnesium from dolomite. Treatment of.