26 февр. 2015 г. · To qualify a PQR for a certain weld setup this can be done on a piece of plate ( taking in consideration the plate thickness material etc }in the G1 position.

15 авг. 2012 г. · They include position provisions as a supplementary essential variable when notch toughness is a requirement because the position and direction ...

4 нояб. 2002 г. · I have noticed a difference among certain codes regarding welding procedure qualification and post weld heat treatment as an essential variable.

21 апр. 2018 г. · If you are outside the limits of the prequalified joint details, then you are limited by the requirements and tolerances of variables 31 and 33.

12 апр. 2019 г. · All of the essential and supplementary essential variables remained the same except for the coupon thickness. Question: May the above PQRs ...

22 мар. 2017 г. · All the variables remains similar except heat treatment. Can i use the PQR-1 for writing WPS to weld normalized and tempered base material?

26 дек. 2020 г. · According to ASME IX this means that all supplementary variables shall be treated as essential variable.

5 мар. 2012 г. · The supporting PQR must address all essential and supplementary essential variables. I always record the nonessential variables on the PQR ...

5 мар. 2012 г. · For welder qualification, it is an essential variable if the electrode does not have an F number. For procedure qualification, it is only an ...

30 сент. 2020 г. · Fraud is a stretch. Section IX would allow these two procedures to be combined into one. PQRs exist for both the heat treat and as welded ...