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Microstructure and Properties of Oil and Gas Range Pipe Steel Subjected to Improvement

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Metallurgist Aims and scope

The effect of alloying on the properties of highly tempered steels used for production of a range of petroleum pipes is studied. It is shown that an increase in molybdenum content from 0.15 to 0.53% improves the mechanical characteristics of chromium-molybdenum steels tempered at 600–690°C significantly. Alloying with vanadium and niobium facilitates an additional increase in strength properties. The best hardening of steel with 0.32% molybdenum in a highly tempered condition is provided by combined microalloying with niobium and vanadium, although stress corrosion cracking resistance is reduced.

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Authors and Affiliations

  1. OAO Russian Scientific Research Institute of the Pipe Industry, Chelyabinsk, Russia

    L. Yu. Pyshmintsev, A. N. Mal’tseva & M. A. Smirnov

  2. AO Volga Pipe Plant, Volzhskii, Russia

    D. P. Uskov

  3. FGBOU VPO South-Ural State University, Chelyabinsk, Russia

    Yu. N. Goikhenberg

Authors
  1. L. Yu. Pyshmintsev
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  2. D. P. Uskov
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  3. A. N. Mal’tseva
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  4. M. A. Smirnov
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  5. Yu. N. Goikhenberg
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Corresponding author

Correspondence to L. Yu. Pyshmintsev.

Additional information

Translated from Metallurg, Vol. 63, No. 1, pp. 37–44, January, 2019.

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Pyshmintsev, L.Y., Uskov, D.P., Mal’tseva, A.N. et al. Microstructure and Properties of Oil and Gas Range Pipe Steel Subjected to Improvement. Metallurgist 63, 41–50 (2019). https://doi.org/10.1007/s11015-019-00792-0

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  • DOI: https://doi.org/10.1007/s11015-019-00792-0

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