Abstract—The results of studying the influence of pipe forming on the mechanical properties (ultimate tensile strength, yield strength) of the base metal of large diameter pipes of strength classes K52–K65 (X56–X80) are analyzed. The differences in the properties determined by testing longitudinal and transverse standard cylindrical and full-thickness specimens cut from both a sheet and the finished pipe and plate specimens cut at various distances from the pipe surface (from different layers) are analyzed. The relation between the state of stress in pipe steel at various stages of pipe forming and its mechanical properties is considered.
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This work was carried out within the framework of a state assignment no. 075-00715-22-00 to the Baikov Institute of Metallurgy and Materials Science.
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Translated by K. Shakhlevich
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Adigamov, R.R., Andreev, V.A., Rogachev, S.O. et al. Effect of Pipe Forming on the Mechanical Properties of Large Diameter Pipes. Russ. Metall. 2023, 498–507 (2023). https://doi.org/10.1134/S003602952304002X
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DOI: https://doi.org/10.1134/S003602952304002X