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Effect of Chemical Composition and Microstructure Parameters on Carbon and Low-Alloy Steel Corrosion Resistance Under Oil Industry Pipeline Operation Conditions

  • A. V. AmezhnovEmail author
  • I. G. Rodionova
  • A. I. Batsalev
  • D. L. D’yakonov
  • N. G. Shaposhnikov
  • T. E. Shatskii
  • M. E. Marzoeva
Article
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The effect of chemical composition and microstructure parameters on corrosion resistance of carbon and low-alloy steels in neutral aqueous media, typical for oil-field pipeline operating conditions, is studied in order to develop requirements for the specified characteristics to improve steel equipment service life. It is shown that a large amount of interfacial nano-sized precipitates in steel, (even with sizes of 2–3 nm or less) mainly of vanadium carbide (carbonitride), and to a markedly lesser extent with niobium carbide, is present. A significant reduction in the corrosion resistance of steel due to the formation of such particles is observed with an increase in the vanadium content in steel more than 0.065–0.07%.

Keywords

carbon and low-alloy steels oil industry pipelines corrosion resistance microstructure chemical composition separation of excess vanadium and niobium carbide (carbonitride) phases 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • A. V. Amezhnov
    • 1
    Email author
  • I. G. Rodionova
    • 1
  • A. I. Batsalev
    • 2
  • D. L. D’yakonov
    • 1
  • N. G. Shaposhnikov
    • 1
  • T. E. Shatskii
    • 3
  • M. E. Marzoeva
    • 1
  1. 1.FGUP I. P. Bardin TsNIIchermetMoscowRussia
  2. 2.PAO Gazprom Neft’St. PetersburgRussia
  3. 3.OOO GAZPROMNEFT’ NTTsSt. PetersburgRussia

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