API

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Damage Capture method: Optical Microscope Detail focus: Intergranular Cracking clear all

API — sub-branches

5CT 25D 55L 2

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Micrography of a longitudinal section of the pin, at the fracture position, showing the main fracture surface and secondary cracks associated to a segregation band, with an intergranular morphology.
49
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ML00009 / Sep.2017
Hydrogen Cracking of a 5" Drill Pipe S135
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Nital Etched Micrography by OMDf - Intergranular Cracking
Micrographic detail of a secondary intergranular cracking at the pin longitudinal section (transverse to the fracture).
38
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ML00088 / Dec.2017
Hydrogen Cracking of an API 5D S135 Drill Pipe
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Nital Etched Micrography by OMDf - Intergranular Cracking