Microstructure

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Standard: API Capture method: Naked Eye or Stereoscope clear all

Microstructure — sub-branches

Fusion Line 1

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Micrography of the fusion line of the second pass (not reheated). The HAZ is bainitic and the weld metal presents columnar grains (of the previous austenite).
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ML00053 / Mar.2017
SAW Longitudinal Seam of X70 Pipe
M - Microalloyed SteelP - Longitudinal Seam Welded PipeAp - SubseaCd - Welding
Cm - NItal Etched MacroDf - Fusion Line