Abstract

Oxygen-converter shop No. 1 at the combine, containing three 160-ton converters, has mastered the production of many low-alloy steels with a sulfur content from 0.006 to 0.035%. The technology for producing these steels differs from other steelmaking practices in the methods used to feed lime and fluorspar into the metal and to treat the steel outside and furnace. At the same time, the technology is not absolutely reliable in terms of ensuring that the sulfur content meets the specifications of the TU (Fig. !). One way of reducing the sulfur content of the steel is to improve the preparation of the charge materials for the heat.

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