Sampling and Analysis

2 cases · 4 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Standard: API Capture method: Transverse Section Aspect clear all

Sampling and Analysis — sub-branches

General View 1Transverse Section 3

Results

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Detail of the transverse section of the 4" pipe 90° from the seam weld. The thickness of the pipe is 8 mm. No evidences of general corrosion or pitting were identified.
77
VIEW
ML00140 / May.2019
Preferential Corrosion of Pipe Seam Weld
M - Low Carbon SteelP - Longitudinal Seam Welded PipeAp - ShipCd - Preferential Dissolution
Cm - Transverse Section AspectDf - Transverse Section
Wire rope, nominal diamater 2". The wire includes an independent core (IWRC) with 7 wires of 2.0 mm and 6 strands with 26 wires (1+5+[5+5]+10). The external strand layer presents a 3.8mm wire, and there are two internal strand layers with different wire sizes. The wire rope presents plastic reinforcement. It is a right regular lay AACI made by extra improved plow steel (EIPS) wires.
876
VIEW
ML00117 / Jan.2018
High Carbon Steel Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Typical manufacturing
Cm - Transverse Section AspectDf - General View

More from these cases

ML00140 — Preferential Corrosion of Pipe Seam WeldM - Low Carbon SteelP - Longitudinal Seam Welded PipeAp - ShipCd - Preferential Dissolution
Detail of the transverse section of the 4" pipe 90° from the seam weld. The thickness of the pipe is 8 mm. No evidences of general corrosion or pitting were identified.
70
VIEW
ML00140 / May.2019
Preferential Corrosion of Pipe Seam Weld
M - Low Carbon SteelP - Longitudinal Seam Welded PipeAp - ShipCd - Preferential Dissolution
Cm - Transverse Section AspectDf - Transverse Section
Detail of the transverse section of the 4" pipe 180° from the seam weld. The thickness of the pipe is 8 mm. No evidences of general corrosion or pitting were identified.
64
VIEW
ML00140 / May.2019
Preferential Corrosion of Pipe Seam Weld
M - Low Carbon SteelP - Longitudinal Seam Welded PipeAp - ShipCd - Preferential Dissolution
Cm - Transverse Section AspectDf - Transverse Section