Thinning

3 cases · 5 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

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Local Melting of Copper Cooling Tubes
1
VIEW
ML00180 / Mar.2022
Local Melting of Copper Cooling Tubes
M - Pure CopperP - Cooling TubeAp - SiderurgyCd - Overheating
Cm - Transverse Section AspectDf - Thinning
Transverse section macrography of the plate where the degradation by thinning is worst, close to the original corners of the tube. The thinning is occurrring from the product reaction side (side A to the bottom of the figure). The macrography shows a reduction in the thickness from 2 mm (right side, sample 2) to almost zero (left side, sample 1).
86
VIEW
ML00160 / Apr.2020
High Temperature Degradation of 310SS
M - Austenitic Stainless SteelP - Rectangular TubeAp - Chemical IndustryCd - Scaling
Cm - Transverse Section AspectDf - Thinning
Macrography of the pipe to fitting welded joint, in a region very close to the leakage. The sligthly localized thinning is in the weld metal close to the elbow.
53
VIEW
ML00065 / May.2017
Erosion Corrosion of Monel Piping
M - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Cm - Kalling Etched MacroDf - Thinning

More from these cases

ML00160 — High Temperature Degradation of 310SSM - Austenitic Stainless SteelP - Rectangular TubeAp - Chemical IndustryCd - Scaling
Longitudinal section macrography of the plate where the degradation by thinning is reducing the thickness from 6mm to 4mm (sample 3). The thinning is occurrring from the product reaction side (side A to the bottom of the figure).
83
VIEW
ML00160 / Apr.2020
High Temperature Degradation of 310SS
M - Austenitic Stainless SteelP - Rectangular TubeAp - Chemical IndustryCd - Scaling
Cm - Longitudinal Section AspectDf - Thinning
ML00065 — Erosion Corrosion of Monel PipingM - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Detail of the leakage region, at the weld metal/fuson line near the elbow.
96
VIEW
ML00065 / May.2017
Erosion Corrosion of Monel Piping
M - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Cm - Kalling Etched Micrography by OMDf - Thinning