Welded Joint

1 case · 4 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Detail focus: Hard Spots clear all

Welded Joint — sub-branches

Cladding 4Fabrication Weld 15In Field Weld 3Remanufacture by Welding 1Repair Weld 2Welded Testpiece for Qualification 4

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Low magnification micrography of the weld metal, evidencing regions of low dilution of the entrapped carbon from the arc gouging.
61
VIEW
ML00010 / Oct.2017
Cold Cracks in a Gouged Weld Metal
M - Low Alloy Low Carbon QTP - Rolled PlateAp - OffshoreCd - Welding Defect
Cm - Nital Etched Micrography by OMDf - Hard Spots

More from these cases

ML00010 — Cold Cracks in a Gouged Weld MetalM - Low Alloy Low Carbon QTP - Rolled PlateAp - OffshoreCd - Welding Defect
Detail of a region of entrapped carbon from the arc gouging, in the weld metal.
55
VIEW
ML00010 / Oct.2017
Cold Cracks in a Gouged Weld Metal
M - Low Alloy Low Carbon QTP - Rolled PlateAp - OffshoreCd - Welding Defect
Cm - Nital Etched Micrography by OMDf - Hard Spots
Detail of a region of entrapped carbon from the arc gouging, in the weld metal.
55
VIEW
ML00010 / Oct.2017
Cold Cracks in a Gouged Weld Metal
M - Low Alloy Low Carbon QTP - Rolled PlateAp - OffshoreCd - Welding Defect
Cm - Nital Etched Micrography by OMDf - Hard Spots
Microhardness identations in the regions of entrapped carbon, showing that in these regions there are carbides and retained austenite.
62
VIEW
ML00010 / Oct.2017
Cold Cracks in a Gouged Weld Metal
M - Low Alloy Low Carbon QTP - Rolled PlateAp - OffshoreCd - Welding Defect
Cm - Nital Etched Micrography by OMDf - Hard Spots