Dear friends,
I want to prepare WPS & PQR for weld overlay of Monel inside the NB 6" nozzle (material SA 106 Gr B, length 8-10").
i have a query whether i have to prepare two different WPS ( for 1.nozzle pipe to flange & 2. weld overlay inside the nozzle)
What type of procedure i should follow?
Nozzle pipe is having Sch 80 thickness & thickness of weld overlay of monel is 5 mm.
What type of NDT i should do to check the integrity of weld overlay.
what type of special techniques required in the above mentioned job.
Thanks & regards
M P Singh
Inspection Engineer
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