Naked Eye or Stereoscope

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Wrought Fitting Detail focus: Sampling and Analysis clear all

Naked Eye or Stereoscope — sub-branches

Kalling Etched Macro 1Macro Oxalic Acid Electrolytic Etched 1

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Macrography of the pipe to fitting welded joint, in a region where the thickness loss is almost uniform. The pipe is in the left of the figure and the elbow is in the right, with a general thinning (average of 2 mm, considering that the original thickness was 3.7 mm), and a slightly more intense thickness loss at the weld metal near the elbow side.
183
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ML00065 / May.2017
Erosion Corrosion of Monel Piping
M - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Cm - Kalling Etched MacroDf - Welded Joint
Aspect of the internal side of the fitting, at the longitudinal seam weld, and macrography of a transverse section showing the through wall cracks.
62
VIEW
ML00061 / Apr.2017
Creep in a Seam Weld of a 304H SS Fitting
M - Austenitic Stainless SteelP - Fabrication WeldAp - Chemical IndustryCd - Creep
Cm - Macro Oxalic Acid Electrolytic EtchedDf - Transverse Section