Kalling Etched Micrography by OM

1 case · 8 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Used clear all

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Original casting base metal presenting a coarse martensitic structure with a small amount of delta ferrite.
50
VIEW
ML00055 / Apr.2017
CA6NM Blade Remanufactured by Welding
M - Martensitic Stainless SteelP - Remanufacture by WeldingAp - EnergyCd - Removed From Service
Cm - Kalling Etched Micrography by OMDf - Base Metal Left Side

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ML00055 — CA6NM Blade Remanufactured by WeldingM - Martensitic Stainless SteelP - Remanufacture by WeldingAp - EnergyCd - Removed From Service
Inserted casting base metal presenting a coarse martensitic structure with a small amount of delta ferrite.
24
VIEW
ML00055 / Apr.2017
CA6NM Blade Remanufactured by Welding
M - Martensitic Stainless SteelP - Remanufacture by WeldingAp - EnergyCd - Removed From Service
Cm - Kalling Etched Micrography by OMDf - Base Metal Right Side
Micrography of the original casting blade at the fusion line of the welding with the insert casting. There is a refinement effect on the coarse base metal structure.
24
VIEW
ML00055 / Apr.2017
CA6NM Blade Remanufactured by Welding
M - Martensitic Stainless SteelP - Remanufacture by WeldingAp - EnergyCd - Removed From Service
Cm - Kalling Etched Micrography by OMDf - HAZ Left Side
Micrographic detail of the fusion line of the original casting blade welded to the insert casting. There is a refinement effect on the coarse base metal structure.
21
VIEW
ML00055 / Apr.2017
CA6NM Blade Remanufactured by Welding
M - Martensitic Stainless SteelP - Remanufacture by WeldingAp - EnergyCd - Removed From Service
Cm - Kalling Etched Micrography by OMDf - HAZ Left Side
Micrography of the inserted casting at the heat affected zone of the welding with the original casting. There is a refinement effect on the coarse base metal structure.
20
VIEW
ML00055 / Apr.2017
CA6NM Blade Remanufactured by Welding
M - Martensitic Stainless SteelP - Remanufacture by WeldingAp - EnergyCd - Removed From Service
Cm - Kalling Etched Micrography by OMDf - HAZ Right Side
Micrographic detail of the fusion line of the inserted casting welded to the original casting. There is a refinement effect on the coarse base metal structure.
15
VIEW
ML00055 / Apr.2017
CA6NM Blade Remanufactured by Welding
M - Martensitic Stainless SteelP - Remanufacture by WeldingAp - EnergyCd - Removed From Service
Cm - Kalling Etched Micrography by OMDf - HAZ Right Side

+2 more from this case →