Atlas

2 cases · 7 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Tubular Forging Microstructure: Duplex Ferritic Austenitic Detail focus: Microstructure clear all

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Micrography of the longitudinal section, in the center of the thickness of the pin, presenting an aligned ferritic-austeinitic structure.
180
VIEW
ML00146 / Jul.2018
Plastic Deformation of a SDSS Riser Pin
M - Super Duplex Stainless SteelP - PinAp - O&G Well DrillingCd - Bending
Cm - NaOH Electrolytic Etched MicroDf - Ferrite and Austenite
Micrography of the superduplex stainless steel tubing (base metal), in the longitudinal direction. Refined ferritic-austenitic structure.
55
VIEW
ML00100 / Nov.2017
Superduplex Tubing to Forging Welded Joint
M - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Welding
Cm - NaOH Electrolytic Etched MicroDf - Duplex structure

More from these cases

ML00146 — Plastic Deformation of a SDSS Riser PinM - Super Duplex Stainless SteelP - PinAp - O&G Well DrillingCd - Bending
Micrography of a longitudinal section, at the surface of the pin, where the thermal spray layer is sound. The thickness of the layer is about 0.3 mm.
168
VIEW
ML00146 / Jul.2018
Plastic Deformation of a SDSS Riser Pin
M - Super Duplex Stainless SteelP - PinAp - O&G Well DrillingCd - Bending
Cm - NaOH Electrolytic Etched MicroDf - Coating Layer
Micrographic detail of a longitudinal section of the pin, at the surface, evidencing the thermal spray layer, about 0.3 mm. The layer presents typical characteristics of multiple layers, low amount of entrapped oxides and pores. The interface presents a high roughness level for a good adherence and some entrapped oxides. The structure of the SDSS substrate did not show thermal effects.
154
VIEW
ML00146 / Jul.2018
Plastic Deformation of a SDSS Riser Pin
M - Super Duplex Stainless SteelP - PinAp - O&G Well DrillingCd - Bending
Cm - NaOH Electrolytic Etched MicroDf - Coating Layer
ML00100 — Superduplex Tubing to Forging Welded JointM - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Welding
Micrographic detail of the superduplex stainless steel tubing (base metal), in the longitudinal direction. Refined ferritic-austenitic structure.
53
VIEW
ML00100 / Nov.2017
Superduplex Tubing to Forging Welded Joint
M - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Welding
Cm - NaOH Electrolytic Etched MicroDf - Duplex structure
Micrography of the superduplex stainless steel forging connector (base metal), in the longitudinal direction. Coarse ferritic-austenitic structure.
32
VIEW
ML00100 / Nov.2017
Superduplex Tubing to Forging Welded Joint
M - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Welding
Cm - NaOH Electrolytic Etched MicroDf - Duplex structure
Micrographic detail of the superduplex stainless steel forging connector (base metal), in the longitudinal direction. Coarse ferritic-austenitic structure.
38
VIEW
ML00100 / Nov.2017
Superduplex Tubing to Forging Welded Joint
M - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Welding
Cm - NaOH Electrolytic Etched MicroDf - Coarse Structure