Medium Carbon Ferro Manganese
Our range of products include medium carbon ferro manganese for steel plants, low carbon ferro manganese for alloy steel, carbon ferro manganese and low carbon ferro manganese for steel industry.
Mn alloys are mostly used in steelmaking and foundry activities. Some 30 % of the manganese used today in steelmaking is still used for its properties as a deoxidant and a sulphide former. In this last case it combines with sulphur avoiding the formation of iron sulphides, which sulphides are low melting point phases which become liquid at hot rolling temperatures and which, consequently, generate surface cracking. The other 70 % of the manganese is used purely as an alloying element. Steels usually contain from 0,2 % to 2 % Mn depending on grades as Mn is the cheapest alloying element among those which enhance some key mechanical properties like strength and toughness. In the specific case of stainless steel it can substitute expensive nickel in some austenitic grades called 200 series. There are two families of Mn alloys called ferro-manganese (FeMn) and silico-manganese (SiMn). Silico-manganese adds additional silicon which is a stronger deoxidizer and which also helps to improve some mechanical properties of steel. In each family carbon is controlled and is lowered when producing ‘‘refined’’ grades. Nitrogen, Boron, Titanium, Phosphorus are elements which can be controlled depending on requested specification. A very specific application of refined manganese alloys is a constituent in the coating of welding electrodes.
Manganese Oxide is reduced in blast furnaces or electric furnaces, Ferro Manganese is formed. Manganese ore in the presence of carbon is reduced to produce standard ferro manganese or high carbon ferro manganese. It is possible to reprocess slags into Ferro Silico Manganese, which can be again refined into Low and Medium Carbon Ferro Manganese. The content of manganese and carbon in Ferro Manganese are 75% and 7% respectively. The variants of Ferro Manganese are High Carbon Ferro Manganese, Medium Carbon Ferro Manganese and Low Carbon Ferro Manganese.
Medium carbon ferro manganese is mainly used to produce E6013 electrodes. Additionally, it is used in steel and casting industries, as it assists in removing sulphur from steel and improve properties, like durability, machinability and malleability. It can deoxidize molten metal. Either MOR or aluminothermic is used to produce medium carbon ferro manganese.
