Low Alloy Low Carbon QT

1 case · 1 image

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: Micro by OM, picric acid+FeCl3+H2O etch clear all

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Welded region etched to reveal impurities. The banded structure creates a continuous network parallel to the weld metal.
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ML00013 / Apr.2017
Welding Cracks in Mooring Chain
M - Low Alloy Low Carbon QTP - Welded PartAp - OffshoreCd - Welding Defect
Cm - Micro by OM, picric acid+FeCl3+H2O etchDf - Segregated Regions