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Abstract <p>The paper presents the results of the development of technological modes for the production of hot-rolled coil products with a thickness of 9 mm from medium-carbon (0.20–0.34% C) low-alloy steels microalloyed with boron (0.002–0.005% B), and pipes made from them. The hot plasticity of steels at temperatures of 1200–700°C and deformation resistance at temperatures of 1100–700°C and deformation rates from 0.1 to 10 s<sup>–1</sup> have been studied. Post-deformation cooling and heat treatment of the steels under study have been simulated under various conditions. The results of obtaining industrial samples of products with a temporary resistance of 1040–1050 MPa after heat treatment have been presented.</p>

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Features of the Production Technology of Rolled Products from Boron Microalloyed Steels at a Casting and Rolling Complex

  • 期刊论文

  • 发表日期：

    2025年5月1日

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  • A. V. Muntin,
  • S. D. Skachkov,
  • A. S. Boiko,
  • D. S. Astaf’ev

摘要

Abstract

The paper presents the results of the development of technological modes for the production of hot-rolled coil products with a thickness of 9 mm from medium-carbon (0.20–0.34% C) low-alloy steels microalloyed with boron (0.002–0.005% B), and pipes made from them. The hot plasticity of steels at temperatures of 1200–700°C and deformation resistance at temperatures of 1100–700°C and deformation rates from 0.1 to 10 s–1 have been studied. Post-deformation cooling and heat treatment of the steels under study have been simulated under various conditions. The results of obtaining industrial samples of products with a temporary resistance of 1040–1050 MPa after heat treatment have been presented.