NF EN

3 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

The 8" ND, 1 1/4" thick, seamless pipe that was welded by GMAW process in 6G position. 
The testpiece was adopted for ASME IX qualification tests.
402
ML00066 / May.2017
GMAW Welded Joint in 9%Ni Alloy Steel
M - Nickel Alloy SteelP - Welded Testpiece for QualificationAp - PipelineCd - Welding
Cm - Aspect Before AnalysisDf - Welded Joint
The 2 1/2" nominal diameter seamless tube is externally cladded with stainless steel.
196
ML00056 / May.2018
Seamless Tube Externally Cladded with SS
M - Carbon Steel / Stainless SteelP - CladdingAp - Pulp and PaperCd - Removed From Service
Cm - Aspect Before AnalysisDf - Welded Joint
Aspect of the heat exchanger plate showing the rupture of the plate in multiple cracks, starting at the side of the crude oil with high salinity.
727
ML00051 / Apr.2020
Chloride SCC of 316 Heat Exchanger Plate
M - Austenitic Stainless SteelP - Heat Exchanger PartAp - FPSOCd - Stress Corrosion
Cm - Aspect Before AnalysisDf - Cracking