Ferrous Alloys

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Ferritic Capture method: Aspect Before Analysis Detail focus: Welded Joint clear all

Ferrous Alloys — sub-branches

Carbon Steel 5High Alloy Steel 2Low Alloy Steel 3

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Gas piping. Aspect of a branching line 2" ND, lateral to a horizontal main pipe ND 8", welded using a weldolet. In the lower part of the branch there are no cracks.
61
VIEW
ML00149 / Dec.2018
Vibration Induced Fatigue in a Gas Piping
M - Low Carbon SteelP - Piping spoolAp - FPSOCd - Vibration Induced Fatigue
Cm - Aspect Before AnalysisDf - Welded Joint
Aspect of the fillet weld between the superior plate (Low carbon 8 mm thick) and the inferior plate (C-Mn 12 mm thick), in an overlap geometry. In this region the welded joint was sound.
90
VIEW
ML00067 / May.2017
Cold Cracks in C-Mn SAW Weld Metal
M - CMn SteelP - Fabrication WeldAp - AutomotiveCd - Welding Defect
Cm - Aspect Before AnalysisDf - Welded Joint