Hot corrosion behavior of high-chromium, high-carbon cast irons in NaCl-KCl molten salts

S. Vuelvas-Rayo, J. G. Gonzalez-Rodriguez*, J. Porcayo-Calderon, V. M. Salinas-Bravo, S. I. Maldonado-Ruiz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A study on the corrosion behavior of a series of experimental high-chromium (18.53-30.48 wt.%), high-carbon (3.82-5.17%) cast irons in NaCl-KCl (1: 1 M) at 670°C has been evaluated by using weight loss technique and compared with a 304-type stainless steel. It was found that all castings had a higher corrosion rate than conventional 304SS and that the addition of Cr increased the degradation rate of the cast irons. Additionally, corrosion rate increased by increasing the C contents up to 4.29%, but it decreased with a further increase in its contents. Results are discussed in terms of consumption of the Crlayer by the melt.

Original languageEnglish
Article number479761
JournalInternational Journal of Corrosion
Volume2012
DOIs
StatePublished - 2012
Externally publishedYes

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