Damage

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Pressure Vessel Application: Ship Capture method: Aspect by NDT clear all

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Multiple thermal fatigue cracks at the welded joint between the smoke tube (vertical, internal diameter 248mm) and the tubesheet (horizontal, plate of 22 mm thickness). This is a view from the combustion chamber. The dye check tests revealed several parallel cracks.

1249

ML00119 / Feb.2018

Thermal Fatigue of a Marine Boiler

M - Low Carbon SteelP - Fabrication WeldAp - ShipCd - Thermal Fatigue

Cm - Aspect by NDTDf - Thermal Fatigue Cracks