Cladding

4 cases · 5 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: Naked Eye or Stereoscope clear all

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The macrography of a longitudinal section shows the low alloy (C-Mn) steel pipe, internally cladded with Ni alloy clad plate.
72
VIEW
ML00133 / May.2018
Seam Welded Pipe Cladded with Alloy 625
M - LAS / Ni AlloyP - Longitudinal Seam Welded PipeAp - Oil and GasCd - Welding
Cm - Electrolytically Etched MacroDf - Longitudinal Section
The macrography of a longitudinal section shows the low alloy (C-Mn) steel pipe, internally cladded by overlay in two layers.
88
VIEW
ML00132 / May.2018
Seamless Pipe Overlaid with Alloy 625
M - LAS / Ni AlloyP - Seamless PipeAp - Oil and GasCd - Welding
Cm - Electrolytically Etched MacroDf - Longitudinal Section
Macrography of the tubular forging, butt welded using a LAS filler metal, and overlaid using Inconel 625 filler metal. The micrographic characterization was conducted for the HAZ of the overlay and for the HAZ of the butt weld, at the root position (with several welding cycles) and at the face.
608
VIEW
ML00102 / May.2018
AISI 4130 Forging Welded and Overlaid
M - Low Alloy SteelP - CladdingAp - Oil and GasCd - Welding
Cm - Electrolytically Etched MacroDf - Welded Joint
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

ML00056 — Seamless Tube Externally Cladded with SSM - Carbon Steel / Stainless SteelP - CladdingAp - Pulp and PaperCd - Removed From Service
Macrography of the tube transversal section presenting the studied assembly.
136
VIEW
ML00056 / May.2018
Seamless Tube Externally Cladded with SS
M - Carbon Steel / Stainless SteelP - CladdingAp - Pulp and PaperCd - Removed From Service
Cm - Macro Oxalic Acid Electrolytic EtchedDf - Transverse Section