Hello,
I would like to ask if anyone has information about ASME Sec. IX regarding PQR essential variables as per QW-288.3(e)for Tube to Tubesheet heat exchanger weld:
QW-288.3 Gas Tungsten Arc, Plasma Arc, and Gas Metal Arc Welding:
(e) For GTAW or PAW, a change in the nominal diameter of the...
Hello Everyone,
I would like to ask if anyone has information about ASME Sec. IX regarding PQR essential variables as per QW-288.3(e)for Tube to Tubesheet heat exchanger weld:
QW-288.3 Gas Tungsten Arc, Plasma Arc, and Gas Metal Arc Welding:
(e) For GTAW or PAW, a change in the nominal diameter...