When and how to choose ferroalloys for cast iron foundry

Ferroalloys find extensive use in foundry for various specific purposes. The present paper discusses the use of ferroalloys in cast iron foundry as an, additive to moulding sand, as an inoculant for the production of graded cast irons, as an alloying element for the product-ion of alloy cast irons, also as an inoculant for the production of special cast irons such as S.G. iron, Mall-eable iron, compacted graphite cast irons. The paper also discusses the scope of production of complex inoculants as a present day need for foundry industry.