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Metallurgist

, Volume 59, Issue 9–10, pp 774–783 | Cite as

Effect of Carbon Steel Structural Inhomogeneity on Corrosion Resistance in Chlorine-Containing Media

  • I. G. Rodionova
  • A. I. Zaitsev
  • O. N. Baklanova
  • A. Yu. Kazankov
  • V. V. Naumenko
  • G. V. Semernin
Article

It is established that structural inhomogeneity of 20-KSKh steel rolled product produced in the casting and rolling complex at OMK-Stal is caused by presence of bainitic areas within a ferrite-pearlite matrix. Differences in this inhomogeneity are shown due to banding of the ferrite-pearlite structure, determined according to GOST 5640. A method is proposed for evaluating the degree of structural inhomogeneity (banding number) containing bainitic areas. Comprehensive corrosion tests are performed for specimens with “bainitic” and ferrite-pearlite banding. It is established that specimens with “bainitic” banding exhibit better corrosion resistance.

Keywords

carbon steels oil industry pipes banding bainite corrosion resistance 

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • I. G. Rodionova
    • 1
  • A. I. Zaitsev
    • 1
  • O. N. Baklanova
    • 1
  • A. Yu. Kazankov
    • 1
  • V. V. Naumenko
    • 2
  • G. V. Semernin
    • 2
  1. 1.Bardin Central Research Institute of Ferrous Metallurgy (TsNIIchermet)MoscowRussia
  2. 2.Vyksa Metallurgical PlantVyksaRussia

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