High Alloy Steel

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Welded Joint Detail focus: Crack clear all

High Alloy Steel — sub-branches

Austenitic Stainless Steel 4Ferritic Stainless Steel 1Martensitic Stainless Steel 2Nickel Alloy Steel 1Super Duplex Stainless Steel 5

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Detailed microstructure of the plate base metal, exposed to high temperature exhausting gases. Refined austenite, precipitation of carbides in the grain boumdaries and some cracks.
24
VIEW
ML00174 / Jul.2021
Carburization of a 347 SS Welded Joint
M - Austenitic Stainless SteelP - Fabrication WeldAp - EnergyCd - Carburization
Cm - Oxalic Acid Electrolytic EtchDf - Crack
Micrographic detail of the through wall cracking in the middle of the thickness, showing that the cracking is associated to ferrite network in the (super)duplex microstructure.
128
VIEW
ML00002 / Jan.2018
Preferential Dissolution and Cracks in SDSS
M - Super Duplex Stainless SteelP - Fabrication WeldAp - PipingCd - Preferential Dissolution
Cm - Micrography by SEMDf - Crack

More from these cases

ML00002 — Preferential Dissolution and Cracks in SDSSM - Super Duplex Stainless SteelP - Fabrication WeldAp - PipingCd - Preferential Dissolution
Micrographic detail of the cracking, associated to the ferrite network, that presents both corrosion (preferential dissolution) and fracture (clevage) aspects.
128
VIEW
ML00002 / Jan.2018
Preferential Dissolution and Cracks in SDSS
M - Super Duplex Stainless SteelP - Fabrication WeldAp - PipingCd - Preferential Dissolution
Cm - Electrolytic Etch Micrography by SEMDf - Crack