Welded Joint

1 case · 1 image

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Standard: 515 Capture method: NItal Etched Macro clear all

Welded Joint — sub-branches

In Field Weld 1Repair Weld 1

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The internal surface of the 2 1/2" thickness plate drum was welded to attach a baffle plate (1/4" thick) using two fillets (one in each side of the plate to shell), but the welding procedure was not suitable since cracks appeared underbead, although they were detected only after 6 month in operation, when the baffle was removed. The picture shows a macrography of the surface, with the cracking.
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ML00008 / Nov.2017
Cold Cracks in CMn Steel Pressure Vessel
M - CMn SteelP - In Field WeldAp - BoilerCd - Welding Defect
Cm - NItal Etched MacroDf - Cracking