Abstract
At the modern level of out-furnace treatment of steel, the steel composition becomes a substantial factor that determines the degree of influence of oxide particles on its properties. Therefore, the development of a method for controlling the inclusion composition is a challenging and technologically feasible problem. In this work, we study the possibility of controlling the composition of nonmetallic inclusions in a low-alloy manganese steel and of providing a given composition of an oxide phase by introducing a controlled amount of calcium, which was determined from the oxygen activity in the steel measured by the emf method, into the liquid steel. To solve this problem, the study was performed under laboratory conditions in TsNIITMASH at the following stages:
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