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6 cases · 8 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Pipe Capture method: Identification drawing clear all

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Schematic drawing of the API 5L X52 pipe, butt welded to another pipe, showing the 4 cap passes. The pipe is nominal diameter 8" and thickness 1/2". The qualification of the WPS was conducted according to the structural code, with toughness requirements (Charpy V at 0°C), with 4 lateral bending tests, all approved, and 2 welded joint tensile tests, one with ruptured in the base metal and the other ruptured in the weld metal, both presenting strenght level higher than the minimum specified. The pipe was tensile tested.
95
VIEW
ML00153 / Jan.2019
X52 in a Tubular Structure
M - CMn SteelP - Seamless PipeAp - StructureCd - Qualified
Cm - Identification drawingDf - Welded Joint
Schematic drawing presenting the longitudinal section of the pipe and connector at the welded joint
105
VIEW
ML00072 / Jan.2018
Liquation Cracks in a High Strength Joint
M - Low Alloy Medium Carbon QTP - Longitudinal Seam Welded PipeAp - O&G Well DrillingCd - Welding Defect
Cm - Identification drawingDf - Longitudinal Section
Schematic drawing presenting the transversal section of the 625 nickel alloy multipass weld
55
VIEW
ML00066 / May.2017
GMAW Welded Joint in 9%Ni Alloy Steel
M - Nickel Alloy SteelP - Welded Testpiece for QualificationAp - PipelineCd - Welding
Cm - Identification drawingDf - Welded Joint
Schematic drawing presenting the general view of the 2" branch line that was supporting an instrument in a 12" gas piping of an offshore unity.
94
VIEW
ML00012 / Aug.2017
Vibration Induced Fatigue in a 316/316L SS
M - Austenitic Stainless SteelP - Seamless PipeAp - OffshoreCd - Vibration Induced Fatigue
Cm - Identification drawingDf - General View
Schematic drawing presenting the External piping surface
339
VIEW
ML00065 / May.2017
Erosion Corrosion of Monel Piping
M - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Cm - Identification drawingDf - Leakage
Schematic drawing presenting the two passes, the first welded from the internal side and the second welded from the external side.
75
VIEW
ML00053 / Mar.2017
SAW Longitudinal Seam of X70 Pipe
M - Microalloyed SteelP - Longitudinal Seam Welded PipeAp - SubseaCd - Welding
Cm - Identification drawingDf - Welded Joint

More from these cases

ML00012 — Vibration Induced Fatigue in a 316/316L SSM - Austenitic Stainless SteelP - Seamless PipeAp - OffshoreCd - Vibration Induced Fatigue
Schematic drawing presenting the cracking surface aspect.
71
VIEW
ML00012 / Aug.2017
Vibration Induced Fatigue in a 316/316L SS
M - Austenitic Stainless SteelP - Seamless PipeAp - OffshoreCd - Vibration Induced Fatigue
Cm - Identification drawingDf - Internal Surface
ML00065 — Erosion Corrosion of Monel PipingM - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Schematic drawing presenting the internal piping surface
234
VIEW
ML00065 / May.2017
Erosion Corrosion of Monel Piping
M - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Cm - Identification drawingDf - Leakage