IS this a NCR?
YES, As you are applying an PWHT on an non-PWHT PQR this is against ASME Sec IX QW-407.1 irrespective of the Building Code this is a clear violation.
Does the 4th WPS have to be requalified in order to rectify as per ASME IX?
YES, ASME Sec IX QW-407.1 is an essential parameter...
Hello All,
I have a PQR with 635 deg C PWHT temp for 1 hour/inch Soak for P No. 1 material
Can I use this to write a WPS with 600 deg C soak temp for 90 Mins soak time. with supplementary impact test required?
Hi All,
I have a PQR as follows:
Base metal thickness: 20mm
GTAW deposit: 6mm
SMAW deposit: 14mm
if i write a WPS for GTAW what base metal thickness do i use and WHY?
Thanks for the response all.
Impact test requirement came as client is given operating temp at -15 Deg C.
Since it is clear that invoking QW-193 will not get us impact test. I can proceed with the same.
Hello All,
I Have a question regarding the Impact test requirement for Tube tubesheet welding. Since ASME gives us permission to Combines PQR, i was curious to know if i can combine a butt weld PQR with impact test as supporting to a Tube tubesheet welding PQR for a WPS for Tube to tubesheet...
