Recent Questions tagged [duplex]

Hydrogen induced stress cracking for duplex stainless steel in subsea use
Asked 4 years, 2 months ago by palagianom 1 Answer

Duplex stainless steels (22Cr duplex and 25Cr super duplex) are susceptible to hydrogen induced stress cracking (HISC) under cathodic protection (CP). Industry subsea failures have resulted from HISC under load-control scenarios where local strain levels...

Inconel-lined carbon steel valves instead of 25% Chrome Super Duplex stainless steel material?
Asked 5 years, 9 months ago by alsieg 2 Answers

Is it possible to use Carbon Steel with 625 clad valves in flowline riser piping service instead of 25% Chrome Super Duplex stainless steel material?