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Effect of a Thermomechanical Action on the Structure and the Mechanical Properties of the Welded Joints of a Hot-Rolled Austenitic Nitrogen-Bearing Steel

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Abstract

The microstructure the fine structure, and the mechanical properties of the welded joints of 10‑mm-thick rolled sheets made of a new high-nitrogen corrosion-resistant 04Kh20N6G11M2AFB steel. These joints are formed by manual arc welding using an EA-868/20 welding electrode (10Kh19N23G2M5FAT steel) and are then subjected to thermal mechanical straightening. The straightening conditions that provide a high level of the properties of a welded joint are found.

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Notes

  1. The following abbreviations are used: WJ stands for welded joint; W, weld; BM, for base metal; ML, melting line; and HAZ, heat-affected zone in weld.

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Authors and Affiliations

  1. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Moscow, Russia

    M. V. Kostina, V. S. Kostina & S. O. Muradyan

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  1. M. V. Kostina
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  2. V. S. Kostina
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  3. S. O. Muradyan
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Correspondence to M. V. Kostina.

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Translated by K. Shakhlevich

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Kostina, M.V., Kostina, V.S. & Muradyan, S.O. Effect of a Thermomechanical Action on the Structure and the Mechanical Properties of the Welded Joints of a Hot-Rolled Austenitic Nitrogen-Bearing Steel. Russ. Metall. 2019, 36–41 (2019). https://doi.org/10.1134/S0036029519010075

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