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Comparative analysis on corrosion behavior of 316SS and 304SS in subcritical and supercritical aqueous systems

  • Xi'an Jiaotong University
  • SCEGC Golden Bull Group Holding Co. Ltd.

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The corrosion characteristics of 316SS and 304SS in subcritical and supercritical aqueous systems including chloride of approximate 4600 mg/L at 25 MPa and 250 C, 350 C, 425 C, and 520 C are comparatively investigated. Some local corrosion areas occurred on the surfaces of SS316, not on that of 304SS, at 250 C and 425 C, while at 350 C, all the sample surfaces were covered by large amounts of corrosion products and clay materials due to the predominant precipitation for the formation of the outer subscale. Whether in reducing subcritical and supercritical industrial sludge suspension or in oxidizing supercritical sludge system, 304SS owns better corrosion resistance than 316SS due to higher chromium concentration of former.

Original languageEnglish
Title of host publicationAdvanced Materials and Engineering Materials VII
EditorsPeng Sheng Wei
PublisherTrans Tech Publications Ltd
Pages381-385
Number of pages5
ISBN (Print)9783035713718
DOIs
StatePublished - 2018
Event7th International Conference on Advanced Materials and Engineering Materials, ICAMEM 2018 - Bangkok, Thailand
Duration: 17 May 201818 May 2018

Publication series

NameKey Engineering Materials
Volume777 KEM
ISSN (Print)1013-9826
ISSN (Electronic)1662-9795

Conference

Conference7th International Conference on Advanced Materials and Engineering Materials, ICAMEM 2018
Country/TerritoryThailand
CityBangkok
Period17/05/1818/05/18

Keywords

  • 304 stainless steel
  • 316 stainless steel
  • Chloride
  • Corrosion
  • Subcritical aqueous system
  • Supercritical aqueous system

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