Sampling and Analysis

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Welding Defect Capture method: Replication Technique clear all

Sampling and Analysis — sub-branches

Weld Metal 1

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The weld metal presented a ferritic/bainitic structure at the surface, where the replica was conducted. The weld metal hardness is 272 HB, too high for this material, suggesting lack of a suitable PWHT.
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ML00071 / Jan.2019
Reheating Cracking of a CrMo Vessel Weld
M - CrMo SteelP - In Field WeldAp - EnergyCd - Welding Defect
Cm - Nital etched, OMDf - Weld Metal