Silico-manganese (SiMn) is a ferroalloy with high contents of Manganese and Silicon. It is made by heating a mixture of the oxides Manganese Oxide , Silicon dioxide, and Iron oxide, with carbon in a furnace. We offer mainly two grades of SiMn for exports. However, we are open to supplying different grades of SiMn based on our customer’s requirements. The 2 main grades we offer are: