Electrolytically Etched Macro

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Ferritic Bainitic clear all

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Macrography of the tubular forging, butt welded using a LAS filler metal, and overlaid using Inconel 625 filler metal. The micrographic characterization was conducted for the HAZ of the overlay and for the HAZ of the butt weld, at the root position (with several welding cycles) and at the face.
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ML00102 / May.2018
AISI 4130 Forging Welded and Overlaid
M - Low Alloy SteelP - CladdingAp - Oil and GasCd - Welding
Cm - Electrolytically Etched MacroDf - Welded Joint