General View

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Subsea Standard: ALLOY clear all

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Aspect of the fitting welded to a tubing, ND 5/8" in a hydraulic line. The through wall cracking is longitudinal in the fitting side.
1032
VIEW
ML00094 / Sep.2017
MIC of a Subsea Hydraulic Line
M - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Brittle Behavior
Cm - Aspect Before AnalysisDf - General View
Macroscopic aspect of the stud that broke transverse to the axis, at the bottom of the thread fillet, presenting a brittle aspect.
64
VIEW
ML00075 / Jun.2018
Hydrogen Cracking of IN 718 Subsea Fasteners
M - NiCrFe AlloyP - StudAp - SubseaCd - Hydrogen Embrittlement
Cm - Aspect Before AnalysisDf - General View