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10 cases · 17 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Standard: A Capture method: Transverse Section Aspect clear all

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The macrography of a transverse section of the shell to flange weld (Lepto's etch) shows that the cracking occurred through the shell plate thickness, at the margin of the fillet weld.
93
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ML00050 / Nov.2017
Fatigue Failure of a 316SS Pressure Stabilizer
M - Austenitic Stainless SteelP - Fabrication WeldAp - Chemical IndustryCd - Mechanical Fatigue
Cm - Transverse Section AspectDf - Cracking
Transverse section of the 2" diameter pipe at the pitting location. The pipe was leaking.
1323
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ML00014 / Apr.2017
Pitting Corrosion in 316SS Pipe
M - Austenitic Stainless SteelP - Seamless PipeAp - FPSOCd - Pitting Corrosion
Cm - Transverse Section AspectDf - Pitting