Damage

1 case · 1 image

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Standard: S17400 Capture method: Aspect Before Analysis Detail focus: General View clear all

Damage — sub-branches

Corrosion 1Hydrogen 2

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Aspect of the broken bolt 1 1/2" nominal diameter, after a short time in service (non residente subsea equipment) under cathodic protection. The bolt broke at the thread fillet, close to the head.
800
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ML00074 / Jun.2018
Hydrogen Cracking of a 17-4 PH Subsea Bolt
M - Precipitation Hardened Stainless SteelP - FastenerAp - SubseaCd - Hydrogen Embrittlement
Cm - Aspect Before AnalysisDf - General View