METHOD OF DEOXIDIZING STEEL CONTAINING UP TO 1

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to mining metallurgy, more specifically to the production of good steel. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - increased resistance predominantly metal core u0444u0443u0442u0435u0440u043eu0432u043au043eu0439, degree and stability u0443u0441u0432u043eu0435u043du0438u00a0 u043au0440u0435u043cu043du0438u00a0, titanium and sulfur.metal pouring out of the oven with a temperature below the temperature of the u043eu043fu0440u0435u0434u0435u043bu00a0u0435u043cu0443u044e value formula and t where to 1.9 - 2.2 - empirical coefficient; si u0441u043eu0434u0435 vintage neigh u043au0440u0435u043cu043du0438u00a0 in steel, mas.%; sa content u043au0430u043bu044cu0446u0438u00a0 in u0441u0438u043bu0438u043au043e calcium, mas.%.u0440u0430u0441u043au0438u0441u043bu0435u043du0438u0435 aluminum u043fu0440u043eu0432u043eu0434u00a0u0442 simultaneously with injection of manganese from the beginning of production to u043du0430u043fu043eu043bu043du0435u043du0438u00a0 2 / 5 of bucket, and then at the same time, with the introduction of u0441u0438u00a0u0438u043au043e - u043au0430u043bu044cu0446u0438u00a0, u0441u043eu0434u0435u0440u0436u0430u0449u0435 more than 55% of the mas. u043au0440u0435u043cu043du0438u00a0, in the amount of 3 to 20 kg / t to u043du0430u043fu043eu043bu043du0435u043du0438u00a0 2 / 3 of bucket. 1 table with / to