Martensitic Stainless Steel

1 case · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Detail focus: Base Metal Right Side clear all

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Inserted casting base metal presenting a coarse martensitic structure with a small amount of delta ferrite.
24
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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 Right 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 inserted casting structure. The martensite presents a less tempering aspect than the original casting revealing that it was heat treated in a different condition. The average hardness level measured in this side is 370 HV.
157
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 Right Side
Higher magnification of the martensitic structure of the inserted casting structure, hardness level of 370HV10.
23
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 Right Side