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Developing and mastering a technology for making steel with a sulfur content no greater than 15 ppm

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Abstract

The converter shop at the Azovstal’ combine has developed and successfully introduced a technology for making steel that contains no more than 15 ppm sulfur. The combine has already produced commercial batches of tube steel with a maximum sulfur content of 6–15 ppm. Reducing carbon content from 0.10–0.12 to 0.07–0.08% and lowering sulfur content from 40–70 ppm to 6–15 ppm have improved the quality of the metal of the slabs and rolled products made by the combine. Among these improvements: a decrease in axial porosity and axial segregation in the slabs, an improvement in the ductility characteristics of the rolled metal, a reduction in the degree of contamination of plate metal by nonmetallic inclusions, and a decrease in the incidence of plate rejection in ultrasonic tests.

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Authors and Affiliations

  1. Azovstal’ Metallurgical Combine, Ukraine

    A. V. Vorob’ev, A. V. Gnedash & A. O. Nosochenko

Authors
  1. A. V. Vorob’ev
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  2. A. V. Gnedash
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  3. A. O. Nosochenko
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Translated from Metallurg, No. 3, pp. 46–49, March, 2006.

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Vorob’ev, A.V., Gnedash, A.V. & Nosochenko, A.O. Developing and mastering a technology for making steel with a sulfur content no greater than 15 ppm. Metallurgist 50, 128–133 (2006). https://doi.org/10.1007/s11015-006-0051-4

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  • DOI: https://doi.org/10.1007/s11015-006-0051-4

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