High Temperature

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

High Temperature — sub-branches

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
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