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2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Coarse Structure Capture method: Aspect Before Analysis Detail focus: General View clear all

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Aspect of the 3 1/2" diameter tube after the water leakage in high temperature.
962
VIEW
ML00180 / Mar.2022
Local Melting of Copper Cooling Tubes
M - Pure CopperP - Cooling TubeAp - SiderurgyCd - Overheating
Cm - Aspect Before AnalysisDf - General View
The shaft was removed from service without a failure. It was 4' long and the diameters varied from 2 1/2" to 4 1/2". It was analyzed to be specified for purchasing a new one but properties evidenced bad ductility and brittle behavior even at ambient temperature, associated to a microestruture "as hot rolled".
1238
VIEW
ML00152 / Dec.2018
Low Alloy Steel Pump Shaft
M - High Strength Low AlloyP - ShaftAp - Oil and GasCd - Removed From Service
Cm - Aspect Before AnalysisDf - General View