You can give 6hours soaking time.
Regards,
C.Muniyandi
On Sun, Dec 14, 2008 at 3:55 PM, sanjay <sanju2705@yahoo.com> wrote:
Hi Friends,
I have a dissimilar material joint of P1 to P8, having PWHT. Thickness
of the joint is 75mm. As per UCS 56, we can perform PWHT at 620 Deg C
for 135minutes, but that will sensitise P8 material. So we want to
perform PWHT at 435 Deg C.
Please advice the duration of PWHT and how to arrive at that
duration.
Regards.
Sanjay Jain
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