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ASM Failure Analysis Case Histories

Handbook of Case Histories in Failure Analysis

Edited by
Khlefa A. Esaklul
Khlefa A. Esaklul
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ASM International
Volume
1
ISBN electronic:
978-1-62708-214-3
Publication date:
1992
Book Chapter

Corrosion Failure of Stainless Steel Tanks

By
R.K. Dayal
R.K. Dayal
Metallurgy Division, Indira Gandhi Centre for Atomic Research
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;
J.B. Gnanamoorthy
J.B. Gnanamoorthy
Metallurgy Division, Indira Gandhi Centre for Atomic Research
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Published:
1992
Page range:
194 - 197

Abstract

Four tanks made from type 304L stainless steel were removed from storage. Atmospheric corrosion on the outside of the tanks and pitting and crevice corrosion on the inside were visible. Metallographic examination revealed that the internal corrosion had been caused by crevices related to weld spatter and uneven weld deposit and by service water that had not been drained after hydrostatic testing. External corrosion was attributed to improper passivation. It was recommended that the surfaces be properly passivated and that, before storage, the interiors be rinsed with demineralized water and dried.

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R.K. Dayal, J.B. Gnanamoorthy, 1992. "Corrosion Failure of Stainless Steel Tanks", Handbook of Case Histories in Failure Analysis, Khlefa A. Esaklul

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