Atlas

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: FPSO Capture method: Naked Eye or Stereoscope Detail focus: Cracking clear all

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Macrography of the 8" pipe, welded to a 2" fitting (weldolet), welded to a 2" flange. The branch line was operating in this position (horizontal line with a lateral branch) and the through thickness fatigue crack is associated to the margin of the weld in the upper part of the pipe.
50
VIEW
ML00149 / Dec.2018
Vibration Induced Fatigue in a Gas Piping
M - Low Carbon SteelP - Piping spoolAp - FPSOCd - Vibration Induced Fatigue
Cm - NItal Etched MacroDf - Cracking
Macrography of the surface of the cracked heat exchanger plate, manufactured in austenitic stainless steel.
159
VIEW
ML00051 / Apr.2020
Chloride SCC of 316 Heat Exchanger Plate
M - Austenitic Stainless SteelP - Heat Exchanger PartAp - FPSOCd - Stress Corrosion
Cm - Macro Oxalic Acid Electrolytic EtchedDf - Cracking