Forging

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: NItal Etched Macro Detail focus: Welded Joint clear all

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Macrography of the welded joint between the forging and the pipe, showing it was welded in a narrow gap, indicating by the arrow the location of the crack at the margin of the weld, in the forging side.
129
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ML00178 / Jan.2022
Cold cracks in Cr-Mo Welded Forging
M - CrMo SteelP - ForgingAp - O&G Well DrillingCd - Welding Defect
Cm - NItal Etched MacroDf - Welded Joint
Hot cracking at the fusion line of the connector side, in a welded joint between a forging and a pipe, in a macrographic sample. The region of the heat affected zone of the connector presents a dendritic aspect suggesting that the forging reduction rate of the connector was not too high and did not broke the cast structure.
110
VIEW
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 MacroDf - Welded Joint