ALLOY

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: Kalling Etched Macro clear all

ALLOY — sub-branches

15-5 PH 1218 12304 12507 15083 1625 3718 1939 1AA 6061 T6 1AR500 1Non Specified 1P550 1

Results

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Macrography of the flat position welded joint. It was welded in three passes, with the following parameters. Root pass - 159A, 21V, 147mm/s (wire speed), 3.5 mm/s (welding speed), 979 J/mm. Second pass - 170A, 22V, 168mm/s (wire speed), 7.7 mm/s (welding speed), 538 J/mm. Third pass - 172A, 23V, 168mm/s (wire speed), 7.0 mm/s (welding speed), 587 J/mm.
43
VIEW
ML00118 / Jan.2018
Non qualified GMAW of Aluminum Plates
M - Aluminum Magnesium ManganeseP - Welded Testpiece for QualificationAp - ShipCd - Non qualified
Cm - Kalling Etched MacroDf - Overhead Position
Macrography of a longitudinal section of the fitting to tubing weld, with the longitudinal cracking at the tubular fitting position.
69
VIEW
ML00094 / Sep.2017
MIC of a Subsea Hydraulic Line
M - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Brittle Behavior
Cm - Kalling Etched MacroDf - Longitudinal Section

More from these cases

ML00094 — MIC of a Subsea Hydraulic LineM - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Brittle Behavior
Macrography of the fitting to tubing welded joint. The internal surface of the fitting (left side) is rough compared to the internal surface of the tubing (right side). The cracking is located only in the fitting and presented no association with the welded joint.
41
VIEW
ML00094 / Sep.2017
MIC of a Subsea Hydraulic Line
M - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Brittle Behavior
Cm - Kalling Etched MacroDf - Longitudinal Section