Ferrosilicomanganese is an alloy of iron, silicon and manganese used in the metallurgical industry for alloying and effective deoxidation of steels. The MnC17 iron alloy is produced according to GOST 4756-91 technology and contains at least 65% manganese, 15-20% silicon, as well as sulfur, phosphorus and carbon. Minor inclusions in the form of non-stick materials or slag film are also acceptable, but not more than 0.5% of the total. The size class of the supplied material is 2, the mass of one piece is not more than 20 kg.