Pls note that , 9Cr-1Mo/9Cr-1Mo-V Steels are the Ferritic Steels.
Don't confuse Sigma embitterment of ASS with Ferritic Steels.
Regards,
K.Babu
Singapore
----- Original Message -----
From: "Abby Joseph" <abbyjoseph@gmail.com>
To: "Materials & Welding" <materials-welding@googlegroups.com>
Sent: Monday, August 30, 2010 4:37 PM
Subject: [MW:6775] 9Cr-1Mo/9Cr-1Mo-V steel welds
> Do 9Cr-1Mo/9Cr-1Mo-V steel welds also develop sigma phase during
> service, like some stainless steels?
> (Note- these alloys also contain substantial wt% of Cr, Fe and Mo.
> They are also exposed to the high temp at which sigma phase forms.)
> If not, why?
>
> Regards,
>
> Abby Joseph
>
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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