FPSO

1 case · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Preferential Dissolution Standard: 182 Capture method: Aspect Before Analysis clear all

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Visual aspect from the external side of the 14"ND flange butt welded to a pipe, presenting a through wall crack about 5mm to 10mm from the butt welding.
925
VIEW
ML00002 / Jan.2018
Preferential Dissolution and Cracks in SDSS
M - Super Duplex Stainless SteelP - Fabrication WeldAp - PipingCd - Preferential Dissolution
Cm - Aspect Before AnalysisDf - Through Wall Cracking

More from these cases

ML00002 — Preferential Dissolution and Cracks in SDSSM - Super Duplex Stainless SteelP - Fabrication WeldAp - PipingCd - Preferential Dissolution
After a longitudinal section of the flange to pipe weld, the through wall cracking opened in two parts and the fracture surface was analyzed. The flange side fracture surface is presented in this figure.
126
VIEW
ML00002 / Jan.2018
Preferential Dissolution and Cracks in SDSS
M - Super Duplex Stainless SteelP - Fabrication WeldAp - PipingCd - Preferential Dissolution
Cm - Aspect Before AnalysisDf - Fracture