High Temperature

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: Aspect by NDT clear all

High Temperature — sub-branches

Carburization 2Creep 3Microstructural Evolution 1Overheating 1Scaling 1

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The circumferential welds presented several regions where the multiple cracks appeared, mainly revealed by dye check test.
49
VIEW
ML00174 / Jul.2021
Carburization of a 347 SS Welded Joint
M - Austenitic Stainless SteelP - Fabrication WeldAp - EnergyCd - Carburization
Cm - Aspect by NDTDf - Multiple cracks
Aspect of the cracking after Dye Check Test (Liquid Penetrant) in the external side of the line that operates at 800°C, insulated, and presented the leakage associated to the longitudinal seam weld of the fitting. The circumferential butt weld of the fitting to a pipe did not fail. See the schematic drawing in the next figure
371
VIEW
ML00061 / Apr.2017
Creep in a Seam Weld of a 304H SS Fitting
M - Austenitic Stainless SteelP - Fabrication WeldAp - Chemical IndustryCd - Creep
Cm - Aspect by NDTDf - Through Wall Cracking