Fabrication Weld

3 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Detail focus: Transverse Section clear all

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Micrography of a transverse section of the fitting, at the cracking position. Note the through wall cracking at the coarse austenitic ferritic structure.
43
VIEW
ML00094 / Sep.2017
MIC of a Subsea Hydraulic Line
M - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Brittle Behavior
Cm - NaOH Electrolytic Etched MicroDf - Transverse Section
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
Equiaxial grains of a ferritic structure, in a transverse section of the tube.
40
VIEW
ML00026 / Feb.2017
Autogenous Seam Welded Tube in Ferritic SS
M - Ferritic Stainless SteelP - Fabrication WeldAp - AutomotiveCd - Typical manufacturing
Cm - Kalling Etched Micrography by OMDf - Transverse Section