5L

1 case · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Structure Microstructure: Refined ferritic Detail focus: Weld Metal clear all

5L — sub-branches

grade X52 1

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Micrography of the weld metal in the last bead, presenting previous austenite columnar grains, primary ferrite in the grain boundaries, some regions of ferrite with aligned second phases and acicular ferrite.
58
VIEW
ML00153 / Jan.2019
X52 in a Tubular Structure
M - CMn SteelP - Seamless PipeAp - StructureCd - Qualified
Cm - Nital Etched Micrography by SEMDf - Weld Metal

More from these cases

ML00153 — X52 in a Tubular StructureM - CMn SteelP - Seamless PipeAp - StructureCd - Qualified
Micrography of the weld metal in the root, reheated by the fill pass, presenting a refined ferritic structure and some islands of second phases, probably agglomerated carbides.
46
VIEW
ML00153 / Jan.2019
X52 in a Tubular Structure
M - CMn SteelP - Seamless PipeAp - StructureCd - Qualified
Cm - Nital Etched Micrography by OMDf - Weld Metal