Dear All,
-- Pl clarify the below.
One of vessel under fabrication will under go the fallowing heat treatments. (Material-516 G 70, shell-63 mm, dish end -75mm, dish end in one piece only)
- Dishends Normalising-2 cycle.
- PWHT for whole vessel.
Now shall I need to do all three heat treatment cycles to qualify WPS?
OR
Only two normalising cycles are enough?
Regards,
Venkatramulu
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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