As practice shown the modifying of steel is one of most efficient way of steel service characteristic improving as modifying can be able to provide the set totality of necessary properties and structure of metal [1-3] . The change of high-alloyed cast steels on more cheap structural modifying steels is actual because lasts have the more efficient technology of receiving and processing and provide higher level of special service properties. Efficiency of practicable measures for improving a processing steel quality in many depends of chemical compound of used master alloy, ways of input its in liquid melt and conditions of interaction of added materials particle with steel components.
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