Through Wall Cracking

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

The macro section transverse to the welded region, show that the through wall cracking occurred in the pipe base metal, from the margin of the weld.
191
ML00006 / Apr.2017
Vibration Induced Fatigue in 304SS
M - Austenitic Stainless SteelP - Longitudinal Seam Welded PipeAp - PipingCd - Vibration Induced Fatigue
Cm - Macro Oxalic Acid Electrolytic EtchedDf - Through Wall Cracking
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
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
Macrography transverse to the circunferential weld, longitudinal to the piping, presenting the location, a little far from the welded joint margin,  where the through wall cracking is positioned.
160
ML00002 / Jan.2018
Preferential Dissolution and Cracks in SDSS
M - Super Duplex Stainless SteelP - Fabrication WeldAp - PipingCd - Preferential Dissolution
Cm - NaOH Electrolytic Etched MicroDf - Through Wall Cracking