Fabrication Weld

2 cases · 5 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Austenite Detail focus: Close to the External Surface clear all

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As polished micrography of the hydraulic line sample in the longitudinal section, close to the outer diameter, showing that the cracks are branched and thin, opened to the external surface.
58
VIEW
ML00095 / Sep.2017
MIC of a Riser Control Line
M - Austenitic Stainless SteelP - Fabrication WeldAp - Oil and GasCd - Brittle Behavior
Cm - Micrography by OMDf - Close to the External Surface
Micrography of a transverse section of the seam weld, close to the external surface, presenting several cracks perpendicular to the thickness.
24
VIEW
ML00061 / Apr.2017
Creep in a Seam Weld of a 304H SS Fitting
M - Austenitic Stainless SteelP - Fabrication WeldAp - Chemical IndustryCd - Creep
Cm - Micrography by OM using A262 Method ADf - Close to the External Surface

More from these cases

ML00061 — Creep in a Seam Weld of a 304H SS FittingM - Austenitic Stainless SteelP - Fabrication WeldAp - Chemical IndustryCd - Creep
Micrographic detail of the seam weld close to the external surface, presenting the needles that are the result of microstructural evolution and cracks filled with oxides.
26
VIEW
ML00061 / Apr.2017
Creep in a Seam Weld of a 304H SS Fitting
M - Austenitic Stainless SteelP - Fabrication WeldAp - Chemical IndustryCd - Creep
Cm - Micrography by OM using A262 Method ADf - Close to the External Surface
Micrography of a transverse section of the circumferential butt weld, close to the external surface, presenting a shallow localized corrosion at the margin of the weld.
28
VIEW
ML00061 / Apr.2017
Creep in a Seam Weld of a 304H SS Fitting
M - Austenitic Stainless SteelP - Fabrication WeldAp - Chemical IndustryCd - Creep
Cm - Micrography by OM using A262 Method ADf - Close to the External Surface
Micrographic detail of the circumferential butt weld, close to the external surface, presenting a shallow localized corrosion at the margin of the weld.
27
VIEW
ML00061 / Apr.2017
Creep in a Seam Weld of a 304H SS Fitting
M - Austenitic Stainless SteelP - Fabrication WeldAp - Chemical IndustryCd - Creep
Cm - Micrography by OM using A262 Method ADf - Close to the External Surface