Nagpur Pyrolusite Private Limited supplies Medium Carbon Ferro Manganese Alloys. Nagpur Pyrolusite Private Limited is the supplier of manganese dioxide, granulated manganese dioxide used especially for water purification, manganese oxide [feed/chemical grade] and other manganese based products. Medium Carbon Ferro Manganese Alloys is made up of 95% percent of manganese ores. Medium Carbon Ferro Manganese Alloys strengthens steel-itself an alloy-by removing oxygen and sulphur from it. It is used in refining steel. The ferro alloys impart certain physical & chemical properties in steel, e.G. Change in tensile strength, ductility, hardness, corrosion resistance, and wear resistance or abrasion resistance properties.