Fastener

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Macroscopic aspect of the bolt fracture.   Part of it is flat from the bottom of the thread.
166
ML00130 / Jun.2018
Fatigue Fracture of Overloaded Bolts
M - Low Alloy Medium Carbon QTP - FastenerAp - O&G Well DrillingCd - Mechanical Fatigue
Cm - Aspect Before AnalysisDf - Fracture
Aspect of the bolt fracture.  The fracture appearance is irregular.
137
ML00077 / Jun.2018
Hydrogen Cracking of LAS Subsea Bolts
M - Low Alloy Medium Carbon QTP - FastenerAp - SubseaCd - Hydrogen Embrittlement
Cm - Aspect Before AnalysisDf - Fracture