Aspect by NDT

2 cases · 2 images for “corrosion”

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Standard: A clear all

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Visual aspect of the repair welded plate surface, cracked during welding. Several cracks paralell to the welded regions, revealed by dye check, appear adjacent to the repair beads. The width of the repair is 15 mm.
153
VIEW
ML00015 / Oct.2017
Intergranular Corrosion of 304SS Plate
M - Austenitic Stainless SteelP - Rolled PlateAp - RefineryCd - Intergranular Corrosion
Cm - Aspect by NDTDf - At the Surface
Aspect of the drum shell after removing the tubes and macroetching, indicating that the cracks were located in repair welded regions.
342
VIEW
ML00020 / Apr.2017
Intergranular SCC in Boiler Steam Drum Repair
M - Low Carbon SteelP - Repair WeldAp - BoilerCd - Stress Corrosion
Cm - Aspect by NDTDf - Cracks