The Corrosion of Stainless Steel in Oxygen-Contaminated Sodium at 1200 F and 1400 F

  • R. H. Hiltz


Stainless steel structures in contact with liquid sodium at temperatures from 1000–1400 F undergo corrosion primarily as a function of the purity of the sodium. The principal impurities in sodium are carbon and oxygen. If the system encompasses a temperature differential, a further effect is superimposed. This is the mass transfer of specific elements out of the stainless steel in the hot leg with subsequent deposition in the cold leg. This selective leaching is normally restricted to the substitutional elements, -- primarily chromium and nickel -- but under some circumstances carbon is also transferred.


Oxide Scale Green Scale Microprobe Trace Ferritic Iron Stainless Steel Structure 
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    Zebroski, E. L., Young, R. S., Comprelli, F. A., and Dutina, D., “Effects of Mass Transfer and of Changes in Properties on Austenitic Steels in Flowing Sodium,” Proceedings of the Symposium on Alkali Metal Coolants, Vienna, November 1966.Google Scholar
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    Tyzack, C., and Thorley, A., United Kingdom Atomic Energy Authority TRG Memorandum 4413(C), “The Corrosion of Steels and Nickel-base Materials in Sodium,” Interim Report, April 1968.Google Scholar
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    Andrews, R. C., et al, “Results of Mechanical Properties Tests of 316 ss Specimens in 1200 F Sodium Contaminated with Oxygen,” MSAR 66–78, May 1966.Google Scholar

Copyright information

© Springer Science+Business Media New York 1970

Authors and Affiliations

  • R. H. Hiltz
    • 1
  1. 1.MSA Research CorporationEvans CityUSA

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