Sampling and Analysis

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Forging Application: Valve Capture method: Aspect Before Analysis clear all

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The location of the threaded fitting started leaking after less than five years in service. Although the corrosion rate was not high, the localized material loss in the threaded surface of the carbon steel flange allowed the connection leakage.
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ML00184 / Apr.2023
Dissimilar Steels in a Threaded Connection
M - Low Carbon SteelP - ForgingAp - OffshoreCd - Localized Dissolution
Cm - Aspect Before AnalysisDf - General View