Conclusion
Induction heat treatment of corrosion-resistant steel pipes in the line of an argon-arc welding mill produces a fine-grain structure of the base metal and weld, ensures the mechanical properties of pipes as specified in GOST 11068-81: σt ≧ 560 N/mm2; δ5 ≧ 36%. and also makes possible the oxidation of the metal by 0.33%, reduces the time and consuption of the etching solution during chemical processing, and saves power.
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Literature cited
A. A. Shkurenko, V. P. Orlov, M. S. Rossinskii, et al., "Machine for induction heating of pipes in the line of an argon-arc welding mill," Byull. Chernaya Metall.,981, No. 1, 45–46 (1985).
Additional information
Dnepropetrovsk, Moscow Pipe Works. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 8, pp. 26–29, August, 1987.
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Zgura, A.A., Krichevskii, E.M., Rudenko, V.A. et al. Heat-treatment with induction heating of pipes within the pipe welding mill. Met Sci Heat Treat 29, 588–591 (1987). https://doi.org/10.1007/BF00763112
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DOI: https://doi.org/10.1007/BF00763112