Atlas

3 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

ML00062 / Apr.2017
Inconel 718 Lock Nut with Polymer Insert
M - NiCrFe AlloyP - Cold FormedAp - PipingCd - Typical manufacturing
Cm - Aspect Before AnalysisDf - Transverse Section
The main pipe, ND 18", has suffered a pipe through wall cracking at the margin of the 1 1/2" branch socket weld.
664
ML00006 / Apr.2017
Vibration Induced Fatigue in 304SS
M - Austenitic Stainless SteelP - Longitudinal Seam Welded PipeAp - PipingCd - Vibration Induced Fatigue
Cm - Aspect Before AnalysisDf - Crack
The external surface of the 2" diameter pipe is rusted and the leakage is associated to “holes” that appear very small at the surface but that open a large hole in the middle of the thickness.
507
ML00014 / Apr.2017
Pitting Corrosion in 316SS Pipe
M - Austenitic Stainless SteelP - Seamless PipeAp - FPSOCd - Pitting Corrosion
Cm - Aspect Before AnalysisDf - Corrosion