Ferro manganese. Ferro manganese is a ferroalloyposed of Ferro and manganese. The Mn element’s density is 7.43g/cm 3, melting point is 1245℃, the boiling point is 2150℃. Ferro Supply Factory price o size iron nickel alloy powder. $300.00-$600.00 / Kilogram. 1 Kilogram ... 200 mesh 99% purity femn 75 ferro chrome manganese phosphorus silicon vanadium iron …Manganese. 25 Mn Manganese. See more Manganese products. Manganese (atomic symbol: Mn, atomic number: 25) is a Block D, Group 7, Period 4 element with an atomic weight of 54.938045. The number of electrons in each of Manganese's shells is [2, 8, 13, 2] and its electron configuration is [Ar] 3d 5 4s 2.Ferro manganese. 1. Mainly used as alloy additives and deoxidizer in steelmaking. 2. Used as alloy agent ,widely applied to be widely applied to alloy steel, such as structural steel, tool steel, stainless and. heat-resistant steel and abrasion-resistant steel. 3.