Currently aluminum Deoxidants is the first choice for the production of high clean steel deoxidation agent, but the use of Si-Al-Fe or Al-Si-Ba-Fe, the proportion of its melting point and boiling point of oxygen affinity are not very good, the company produced aluminum-manganese high-iron aluminum, with aluminum content in oxygen steelmaking process can effectively meet the "strong - weak - strong" requirement; increase the proportion of manganese alloys to improve and enhance the density and slow down the process of floating rate of oxygen; using special melting process powder does not occur during storage phenomenon of melting of compounds state deoxidizer, low melting point alloy, aluminum, manganese-rich area surrounding the formation of an improved melting and deoxidation ability of aluminum to increase the oxygen affinity with the molten steel, aluminum, manganese complex deoxidation reaction generated when the low melting point of the deoxidation product, a significant reduction in inclusion content in steel. Depending on the steel can choose different levels of aluminum ferromanganese BrandChemical Ingredients%Major IngerdientsImpurity Ingredients%AlMnCPSiSCuAl-Mn-Fe20-2535-40<0.3<0.05<1.0<0.04<0.2