[MW:3308] Information on superduplex welding

Hi!
Can anyone please guide me in welding of super duplex stainless steels UNS S32750.Or is it possible i can get a sample WPS.Also please let me know what all test are required to qualify PQR as Per ASME Sec IX:
1)Apart from tensile testing, bend testing
Coupons thickness :16 Inch Sch 40 S (9.56 mm)
Process:GTAW & SMAW

MDMT: -29 degrees to 170 degree C
Preheat temp?
Max.Interpass temp?
Sour service
Is ferritic test required?
PWHT?
Impact test:Please advise the locations of impact:Is HAZ/WCL/FL for the whole process is required or is it required seperately for Gtaw & SMAW process.

Appreciate if anyone could reply to me at the earliest.
Thanks & Regards,
Vipin george
Specilaist services,
Dubai,UAE

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