High Alloy Steel

1 case · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: Naked Eye or Stereoscope Detail focus: Heat Affected Zone clear all

High Alloy Steel — sub-branches

Austenitic / Martensitic 1Austenitic Stainless Steel 19Duplex Stainless Steel 1Ferritic Stainless Steel 2Heat Resistant Steel 4High Mn Austenitic Steel 1Lean Duplex Stainless Steel 1Martensitic Stainless Steel 10Nickel Alloy Steel 1Precipitation Hardened Stainless Steel 4Super Duplex Stainless Steel 7Wear Resistant Steel 1

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Macrography of the pipe heat affected zone.
55
VIEW
ML00049 / Apr.2017
Pipe to Flange Welded Joint in a 14" ND Superduplex Spool
M - Super Duplex Stainless SteelP - Piping spoolAp - Oil and GasCd - Removed From Service
Cm - NaOH Electrolytic Etched MacroDf - Heat Affected Zone

More from these cases

ML00049 — Pipe to Flange Welded Joint in a 14" ND Superduplex SpoolM - Super Duplex Stainless SteelP - Piping spoolAp - Oil and GasCd - Removed From Service
Macrography of the flange HAZ. The macroscopic aspect shows a remarkable modified region.
56
VIEW
ML00049 / Apr.2017
Pipe to Flange Welded Joint in a 14" ND Superduplex Spool
M - Super Duplex Stainless SteelP - Piping spoolAp - Oil and GasCd - Removed From Service
Cm - NaOH Electrolytic Etched MacroDf - Heat Affected Zone