Oil and Gas

7 cases · 36 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Typical manufacturing Capture method: Optical Microscope clear all

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Micrography of a longitudinal section of the core wire, 2.0 mm diameter, in the center of the thickness, showing a strain hardened structure, aligned.
113
VIEW
ML00117 / Jan.2018
High Carbon Steel Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - In the Center of the Thickness
Longitudinal section of the fitting in the center of the thickness (2"). Refined ferritic structure.
370
VIEW
ML00030 / Jan.2017
Forging for High Pressure Application
M - Microalloyed SteelP - Machined PartAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Bainitic Ferrite
Ferritic perlitic microstructure, banded, in the center of the 5/16" thick C-Mn plate. Refined Structure.
371
VIEW
ML00021 / Dec.2017
5/16" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Grain refined structure
Ferritic perlitic microstructure, banded, in the center of the 1/2" thick C-Mn plate. Refined Structure.
327
VIEW
ML00022 / Dec.2017
1/2" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Grain refined structure
Ferritic perlitic microstructure, banded, in the center of the 5/8" thick C-Mn plate. Refined Structure.
356
VIEW
ML00023 / Dec.2017
5/8" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Grain refined structure
Ferritic perlitic microstructure, banded, in the center of the 3/4" thick C-Mn plate. Refined Structure.
349
VIEW
ML00024 / Dec.2017
3/4" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Grain refined structure
Ferritic perlitic microstructure, banded, in the center of the 1" thick C-Mn plate. Refined Structure.
296
VIEW
ML00025 / Dec.2017
1" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Grain refined structure

More from these cases

ML00117 — High Carbon Steel Wire RopeM - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Typical manufacturing
Micrography of a longitudinal section of the core wire, 2.0 mm diameter, in the center of the thickness, showing a strain hardened pearlitic structure.
89
VIEW
ML00117 / Jan.2018
High Carbon Steel Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Longitudinal Section
Micrographic detail of a longitudinal section of the core wire, 2.0 mm diameter, in the center of the thickness, showing a strain hardened pearlitic structure.
81
VIEW
ML00117 / Jan.2018
High Carbon Steel Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Strain hardened pearlite
Micrography of a longitudinal section of the core wire, 2.0 mm diameter, at the surface of the wire, showing that the wire presents no protective layer (not galvanized nor plated) and the microstructure is strain hardened, aligned.
71
VIEW
ML00117 / Jan.2018
High Carbon Steel Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - At the Surface
Micrography of a longitudinal section of the core wire, 2.0 mm diameter, at the surface of the wire, showing that the wire presents no protective layer (not galvanized) and the microstructure is strain hardened, aligned.
60
VIEW
ML00117 / Jan.2018
High Carbon Steel Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Longitudinal Section
Micrographic detail of a longitudinal section of the core wire, 2.0 mm diameter, at the surface of the wire, showing that it presents no protective layer (not galvanized nor plated) and the microstructure is pearlitic, strain hardened.
77
VIEW
ML00117 / Jan.2018
High Carbon Steel Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - No Coating Layer

+12 more from this case →

ML00030 — Forging for High Pressure ApplicationM - Microalloyed SteelP - Machined PartAp - Oil and GasCd - Typical manufacturing
Longitudinal section of the fitting in the center of the thickness (2"). Refined ferritic structure.
67
VIEW
ML00030 / Jan.2017
Forging for High Pressure Application
M - Microalloyed SteelP - Machined PartAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Grain refined structure
Longitudinal section of the fitting in the center of the thickness (2"). Refined ferritic structure.
63
VIEW
ML00030 / Jan.2017
Forging for High Pressure Application
M - Microalloyed SteelP - Machined PartAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Grain refined structure
ML00021 — 5/16" CMn Steel Plate for Pressure VesselM - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Ferritic perlitic microstructure, banded, in the center of the 5/16" thick C-Mn plate. Refined Structure.
64
VIEW
ML00021 / Dec.2017
5/16" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Banded Pearlite
Ferritic perlitic microstructure, banded, in the center of the 5/16" thick C-Mn plate. Refined Structure.
54
VIEW
ML00021 / Dec.2017
5/16" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Longitudinal Section
ML00022 — 1/2" CMn Steel Plate for Pressure VesselM - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Ferritic perlitic microstructure, banded, in the center of the 1/2" thick C-Mn plate. Refined Structure.
32
VIEW
ML00022 / Dec.2017
1/2" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Banded Pearlite
Ferritic perlitic microstructure, banded, in the center of the 1/2" thick C-Mn plate. Refined Structure.
28
VIEW
ML00022 / Dec.2017
1/2" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Longitudinal Section
ML00023 — 5/8" CMn Steel Plate for Pressure VesselM - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Ferritic perlitic microstructure, banded, in the center of the 5/8" thick C-Mn plate. Refined Structure.
21
VIEW
ML00023 / Dec.2017
5/8" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Banded Pearlite
Ferritic perlitic microstructure, banded, in the center of the 5/8" thick C-Mn plate. Refined Structure.
14
VIEW
ML00023 / Dec.2017
5/8" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Longitudinal Section
ML00024 — 3/4" CMn Steel Plate for Pressure VesselM - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Ferritic perlitic microstructure, banded, in the center of the 3/4" thick C-Mn plate. Refined Structure.
31
VIEW
ML00024 / Dec.2017
3/4" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Banded Pearlite
Ferritic perlitic microstructure, banded, in the center of the 3/4" thick C-Mn plate. Refined Structure.
29
VIEW
ML00024 / Dec.2017
3/4" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Longitudinal Section
ML00025 — 1" CMn Steel Plate for Pressure VesselM - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Ferritic perlitic microstructure, banded, in the center of the 1" thick C-Mn plate. Refined Structure.
15
VIEW
ML00025 / Dec.2017
1" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Banded Pearlite
Ferritic perlitic microstructure, banded, in the center of the 1" thick C-Mn plate. Refined Structure.
10
VIEW
ML00025 / Dec.2017
1" CMn Steel Plate for Pressure Vessel
M - CMn SteelP - PlateAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Longitudinal Section