Martensitic Stainless Steel

1 case · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Detail focus: Base Metal Left Side clear all

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Original casting base metal presenting a coarse martensitic structure with a small amount of delta ferrite.
50
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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

More from these cases

ML00055 — CA6NM Blade Remanufactured by WeldingM - Martensitic Stainless SteelP - Remanufacture by WeldingAp - EnergyCd - Removed From Service
Micrographic detail of the original casting blade structure. The tempered martensite is more clearly revealed by the scanning electron microscopy. The average hardness level measured in this side is 270 HV.
70
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 SEMDf - Base Metal Left Side
Higher magnification of the martensitic structure of the original casting blade structure, hardness level of 270HV10.
26
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 SEMDf - Base Metal Left Side