Not necessarily . Only pwht cycle. If dish is made of petal or any welding involved and same WPS , then u have to simulate all Heatreatment.
On Mon, 12 Aug 2019 3:44 pm chiluka venkatramulu, <ramuluchiluka@gmail.com> wrote:
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?OROnly two normalising cycles are enough?Regards,Venkatramulu
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