[MW:10223] Looking for WPS for A182 F22 to HP Nb Mod ( 35% Ni , 25%Cr Material)

We need to butt weld many joints in the outlet of ethylene furnace
with following material specs:-

Base Metals :- HP Nb Mod. (35% Ni & 25% Cr) & A 335 F22 ( 2.25% Cr &
1 Mo)

Pipe Thicknesees : 11 mm ( both pipes)

Service Temperature : 900 Deg C

Please help to prepare WPS for this typical joint and also what NDT is
required to esptablish the integrity.

Regards

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