The correct consumable would be only 25/35 H type electrodes
They are commonly used for reformer tubes with same composition Pl refer selectarc Industries -France web site for this
On Tue, Mar 8, 2011 at 9:28 PM, ak1965 <akashverma1965@gmail.com> wrote:
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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