Atlas

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Tempered Martensite Standard: API Capture method: Fracture Surface Aspect clear all

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View of the fracture. The internal green coating was removed only close to the fracture.
29
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ML00169 / Nov.2020
Drill Pipe Fracture in the Pipe Body
M - Low Alloy Medium Carbon QTP - Drill PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Fracture Surface AspectDf - Fracture
Detail of the flat fracture surface of the pin, after disassembling from the TJ box. ID in the top and OD in the bottom of the figure. Radial marks are clear in the fracture surface.
57
VIEW
ML00088 / Dec.2017
Hydrogen Cracking of an API 5D S135 Drill Pipe
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Fracture Surface AspectDf - Brittle Fracture