Coating Layer

1 case · 1 image

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Damage Capture method: Nital Etched Micrography by OM Detail focus: Uniform Structure clear all

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Micrography of the longitudinal section of the bolt at the bottom of the thread fillet, showing the uniform martensitic structure, not strain hardened.
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ML00126 / Mar.2018
Hydrogen Fracture of Subsea Allen Bolts
M - Low Alloy Medium Carbon QTP - Coated ProductAp - SubseaCd - Hydrogen Embrittlement
Cm - Nital Etched Micrography by OMDf - Uniform Structure