Sampling and Analysis

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Austenite Capture method: Kalling Etched Macro clear all

Sampling and Analysis — sub-branches

Transverse Section 3

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The macrography of a transverse section shows the carbon steel tube, externally cladded with stainless steel. The tube was removed from service where it was welded to other tubes to form a wall.
156
VIEW
ML00056 / May.2018
Seamless Tube Externally Cladded with SS
M - Carbon Steel / Stainless SteelP - CladdingAp - Pulp and PaperCd - Removed From Service
Cm - Kalling Etched MacroDf - Transverse Section
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

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