Effect of inhibitor on SCC of A533B CL. 1 and sensitized type 304 stainless steels in pressurized high-temperature waters

Tetsuo Shoji, K. Yoshida

Research output: Contribution to specialist publicationArticle

1 Citation (Scopus)

Abstract

The effects of n-hexylamine as an inhibitor in stress corrosion cracking (SCC) of A533B CL. 1 (UNS(1) K12539) and sensitized type 304 (UNS S30400) stainless steels (SS) in pressurized high-temperature waters have been investigated. Characteristics of SCC were measured by the slow strain rate technique (SSRT) in pressurized high-temperature water in the absence and in the presence of n-hexylamine at a strain rate of 2.1 × 10-6 1/s under an applied potential of -200mV (vs a standard hydrogen reference electrode [SHE]) for A533B CL. 1, and at a strain rate of 4.17 × 10-6 1/s under a free corrosion potential for sensitized type 304 SS. The n-hexylamine was found to be effective as the inhibitor of the initiation of the SCC of A533B CL.1 steels and sensitized type 304 SS in pressurized high-temperature water.

Original languageEnglish
Pages770-773
Number of pages4
Volume46
No.9
Specialist publicationCorrosion
DOIs
Publication statusPublished - 1990 Jan 1

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Science(all)

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