On Jan 31, 2005, at 11:57 AM, aluser2 wrote:
> I'd always understood higher than 800F ie 1000F+
Checking back, I think you're right. An INCO publication I found has
the sensitization range as 1000F-1300F with 800F as a total lower
limit. The severity of sigma phase formation depends a lot on the time
and temperature.
Christopher Wright P.E. |"They couldn't hit an elephant at chrisw@skypoint.com | this distance" (last words of Gen.
.......................................| John Sedgwick, Spotsylvania1864)
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