Ferromanganese

Ferromanganese, also known as spiegeleisen, is an alloy. It is made of iron and manganese. It is normally 15% manganese and 85% iron. It is made by reduction of a mixture of iron ore and manganese ore. Normally carbon is the reducing agent. It is normally how manganese is sold. 

Related pages
Cobalt

Category:Iron alloys
Category:Manganese alloys