NF EN

3 cases · 5 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: Kalling Etched Macro clear all

NF EN — sub-branches

10025-2 110088-1 110088-2 110216-2 110216-4 110217-7 110222-5 210283 11706 1755-7 2

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Macrography of the welded joint upper part. Transverse section showing the different zones studied in this ML. See the schematic drawing in the next image.
454
VIEW
ML00045 / Aug.2017
Subsea Tubular F6NM Martensitic SS
M - Martensitic Stainless SteelP - Fabrication WeldAp - OffshoreCd - Welding
Cm - Kalling Etched MacroDf - Welded Joint
Macrography of a transverse section of the welded joint between the original casting and the inserted casting, in the side of the original part.
23
VIEW
ML00055 / Apr.2017
CA6NM Blade Remanufactured by Welding
M - Martensitic Stainless SteelP - Remanufacture by WeldingAp - EnergyCd - Removed From Service
Cm - Kalling Etched MacroDf - Fusion Line Left Side
The macrography of a transverse section shows the carbon steel tube, externally cladded with stainless steel. The tube was removed from service where it was welded to other tubes to form a wall.
156
VIEW
ML00056 / May.2018
Seamless Tube Externally Cladded with SS
M - Carbon Steel / Stainless SteelP - CladdingAp - Pulp and PaperCd - Removed From Service
Cm - Kalling Etched MacroDf - Transverse Section

More from these cases

ML00045 — Subsea Tubular F6NM Martensitic SSM - Martensitic Stainless SteelP - Fabrication WeldAp - OffshoreCd - Welding
Macrography of the welded joint, at the root position, presenting the different zones studied in this ML. Transverse section. See the schematic drawing in the next image.
47
VIEW
ML00045 / Aug.2017
Subsea Tubular F6NM Martensitic SS
M - Martensitic Stainless SteelP - Fabrication WeldAp - OffshoreCd - Welding
Cm - Kalling Etched MacroDf - Welded Joint
ML00055 — CA6NM Blade Remanufactured by WeldingM - Martensitic Stainless SteelP - Remanufacture by WeldingAp - EnergyCd - Removed From Service
Macrography of a transverse section of the welded joint between the original casting and the inserted casting, in the side of the inserted part.
17
VIEW
ML00055 / Apr.2017
CA6NM Blade Remanufactured by Welding
M - Martensitic Stainless SteelP - Remanufacture by WeldingAp - EnergyCd - Removed From Service
Cm - Kalling Etched MacroDf - Fusion Line Right Side