Ferrous Alloys

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Forging Detail focus: Fusion Line clear all

Ferrous Alloys — sub-branches

Carbon Steel 2High Alloy Steel 4Low Alloy Steel 4Tool Steel 1

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Micrographic detail of the cracks at the fusion line of the welded joint, at the connector side. The cracking presents morphology of melting regions of impurities at grain boundaries of the large grains of the heat affected zone (HAZ).
57
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ML00072 / Jan.2018
Liquation Cracks in a High Strength Joint
M - Low Alloy Medium Carbon QTP - Longitudinal Seam Welded PipeAp - O&G Well DrillingCd - Welding Defect
Cm - Nital Etched Micrography by OMDf - Fusion Line
Fusion line micrographic detail. The weld metal is in the right and HAZ in the left.
27
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ML00045 / Aug.2017
Subsea Tubular F6NM Martensitic SS
M - Martensitic Stainless SteelP - Fabrication WeldAp - OffshoreCd - Welding
Cm - Kalling Etched Micrography by SEMDf - Fusion Line

More from these cases

ML00045 — Subsea Tubular F6NM Martensitic SSM - Martensitic Stainless SteelP - Fabrication WeldAp - OffshoreCd - Welding
Micrography of the weld metal close to the fusion line showing the previous austenite columnar grain boundaries.
25
VIEW
ML00045 / Aug.2017
Subsea Tubular F6NM Martensitic SS
M - Martensitic Stainless SteelP - Fabrication WeldAp - OffshoreCd - Welding
Cm - Kalling Etched Micrography by OMDf - Fusion Line