Atlas

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

The head of the bolts presented the marks that indicated they were manufactured to meet ASTM A449 type 1 bolt, that is  a medium strength low alloy steel, quenched and tempered.
148
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 - At the Surface
xx
117
ML00041 / Jun.2017
Fatigue Fracture of Inconel 718 Spline Shaft
M - NiCrFe AlloyP - ShaftAp - Oil and GasCd - Vibration Induced Fatigue
Cm - Aspect Before AnalysisDf - At the Surface