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Technology Development for Producing Hot-Rolled Sheet Steel from Continuous-Casted Slab

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Abstract

To improve the quality of continuous-casted slabs and to reduce the cost of the produced rolled steel by ₽258 per ton, a resource-saving technology and submerged casting nozzle with eccentric holes are proposed. The experimental industrial tests of this technology for low-carbon and low-alloyed steel show an increase in the strength and toughness of the obtained hot-rolled metal. The results of the economic calculations at casting of 1.5 million tons of slabs and production of hot-rolled steel from them are provided. The computations of the ultimate strength and relative elongation of sheet steel were performed using well-known equations. The physical simulation results of sheet rolling in the finishing group of NShS and subsequent cooling establish the laws of metal structure formation.

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Authors and Affiliations

  1. Bauman Moscow State Technical University, Moscow, Russia

    V. V. Stulov & A. V. Aldunin

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  1. V. V. Stulov
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  2. A. V. Aldunin
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Correspondence to V. V. Stulov.

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Translated by E. Oborin

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Stulov, V.V., Aldunin, A.V. Technology Development for Producing Hot-Rolled Sheet Steel from Continuous-Casted Slab. Steel Transl. 50, 179–184 (2020). https://doi.org/10.3103/S0967091220030109

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