2.25Cr. 1 Mo. steel

[Adnan_Akhter]

Hello Friends....
What are the advantage and disadvantage of 2.25Cr. 1Mo. 0.25V steel over conventional 2.25Cr. 1Mo. Steel
Thanks...

 

[SJones]

As per API TR 934-B:
"The advantages include: increased resistance to hydrogen attack; a lower susceptibility to hydrogen embrittlement; increased resistance to weld overlay disbonding; higher strength."
The disadvantages include: higher hardness; higher PWHT temperatures; susceptibility to low toughness from inadequate heat teatment


Steve Jones
Corrosion Management Consultant

http://www.linkedin.com/in/drstevejones

All answers are personal opinions only and are in no way connected with any employer.