Monday, August 30, 2010

[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

--
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
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.

No comments:

Re: [MW:34913] Filler wire

E71T-1C  is Charpy Impact tested at -20degC E71T-1CJ is Charpy impact tested at -40degC. AWS Classification for FCAW is only a supplementary...