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

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