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Comprehensive Study of the Shaping of the Near-Edge Zone in Flat Rolled Products during the Production of Pipes for Main Pipelines Using Modern Calculation and Measurement Methods

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Russian Metallurgy (Metally) Aims and scope

Abstract—A comprehensive study is conducted to determine the causes of defects and geometric-parameter deviations in the near-edge zone of flat rolled products during the production of large-diameter pipes in the TESA 1420 line. The methodology and results of measuring the geometric parameters and the mechanical properties at the edge crimping area are presented. The contact and noncontact sections of a pipe billet in contact with a deforming tool are determined during crimping the edges, and a calculation scheme for determining the geometric parameters in the deformation zone is developed. Mathematical modeling of the edge crimping process using the Deform software package has been carried out with allowance for the deviation of the geometric and mechanical parameters of the initial billet from these parameters of a theoretical circle. According to the modeling results, zones with the maximum residual stresses are determined. The results obtained are used to propose a method for step-by-step crimping of the edges of flat rolled products and a device for its implementation.

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ACKNOWLEDGMENTS

We thank the employees of Vyksa Steel Works for their assistance in conducting investigations at the production sites of the TESA 1420 line.

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Authors and Affiliations

  1. National University of Science and Technology MISiS, Moscow, Russia

    M. A. Tovmasyan & S. V. Samusev

  2. Vyksa Branch, National University of Science and Technology MISiS, Vyksa, Russia

    M. A. Tovmasyan & A. N. Fortunatov

Authors
  1. M. A. Tovmasyan
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  2. S. V. Samusev
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  3. A. N. Fortunatov
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Correspondence to M. A. Tovmasyan.

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Tovmasyan, M.A., Samusev, S.V. & Fortunatov, A.N. Comprehensive Study of the Shaping of the Near-Edge Zone in Flat Rolled Products during the Production of Pipes for Main Pipelines Using Modern Calculation and Measurement Methods. Russ. Metall. 2022, 784–790 (2022). https://doi.org/10.1134/S0036029522070138

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  • DOI: https://doi.org/10.1134/S0036029522070138

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