Centrifugally Cast Pipe

2 cases · 4 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

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The macrography of a transverse section of the new tube shows that there are shrinkage voids close to the internal surface, that is exposed to high temperature air. The tube is a 4" diameter and 1/4" thick.
62
VIEW
ML00097 / Nov.2017
Cast SS Tube Removed From High Temperature Service
M - Heat Resistant SteelP - Centrifugally Cast PipeAp - SiderurgyCd - High Temperature
Cm - Transverse Section AspectDf - Casting Structure
Macrography of the NEW TUBE, centrifugally cast, in the transverse section, presenting columnar grains close to the external surface.
50
VIEW
ML00038 / Apr.2017
Cast SS Tube for High Temperature Service
M - Heat Resistant SteelP - Centrifugally Cast PipeAp - SiderurgyCd - Creep
Cm - Kalling Etched MacroDf - Transverse Section

More from these cases

ML00097 — Cast SS Tube Removed From High Temperature ServiceM - Heat Resistant SteelP - Centrifugally Cast PipeAp - SiderurgyCd - High Temperature
The macrography of a transverse section of the tube removed from service after 6 months, with damage close to the internal tube surface. The tube is a 4" diameter and 1/4" thick.
41
VIEW
ML00097 / Nov.2017
Cast SS Tube Removed From High Temperature Service
M - Heat Resistant SteelP - Centrifugally Cast PipeAp - SiderurgyCd - High Temperature
Cm - Transverse Section AspectDf - Casting Structure
ML00038 — Cast SS Tube for High Temperature ServiceM - Heat Resistant SteelP - Centrifugally Cast PipeAp - SiderurgyCd - Creep
Macrography of the TUBE REMOVED FROM SERVICE, centrifugally cast, in the transverse section, presenting thickness loss and macrostructure deterioration.
33
VIEW
ML00038 / Apr.2017
Cast SS Tube for High Temperature Service
M - Heat Resistant SteelP - Centrifugally Cast PipeAp - SiderurgyCd - Creep
Cm - Kalling Etched MacroDf - Transverse Section