Friday, September 26, 2014

Re: [MW:22000] tube to tube sheet qualification.

Thanks hegde sir for valuable revert,
Still have little bit query,
I have two separate qualifications of mock up for same pattern, but only thing is one is with addition of filler wire, another one is without addition of filler,
But in actual job, now welder is welded intially by fussing ( 90 % of welding without addition of filler) then unfilled portions are welded by adding filler wire to achieve good finish.

So shall I make single mock up wps using those two pqrs,
If no, then Wat to do in above case,
If I need to again qualify mock up procedure in single pqr using initially wihout filler and then by addtion of filler wire ,is it allowed by code?

Regards
Mahesh mirje

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