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Section IX

Section IX

Section IX

(OP)
If I have a WPS using GTAW root and hot pass and SAW fill and cap that only states 1G position can I weld the GTAW root and hot passes in the 5G position?  Is this legal in ASME Section IX?  If so where in Section IX can I find this?

RE: Section IX

If you have a separate WPS for GTAW that would allow for the 5G position, material, and thickness, I wouldn't think that you would have a problem doing that.  The real question is why you'd want to.

Reference ASME Section IX, QW-200.4(a), 2010 Edition

RE: Section IX

Quote:

If I have a WPS using GTAW root and hot pass and SAW fill and cap that only states 1G position can I weld the GTAW root and hot passes in the 5G position?

For WPS qualified without impact testing, yes. However, you need to revise the WPS. See QW-405.2 for GTAw and QW-405.1 for SAW.

RE: Section IX

(OP)
I have someone saying that if my welder is qualified in the 5G position that it is legal.
 

RE: Section IX

(OP)
My WPS is required to be qualified with impact testing.

RE: Section IX

Vertical up qualifies all positions for impact test qualification.  

RE: Section IX

(OP)
In order for me to make this weld in accordance with Section IX, when I am required to weld using a WPS qualified with impact testing, my WPS/PQR should be qualified in and state 5G GTAW for root / hot passes and the 1G SAW filler and cap.
Just having my welders qualified to weld GTAW in the 5G is not acceptable. My requirement for impact testing dictates that I should develop a new WPS to be in accordance with Section IX.
Is this correct?  

RE: Section IX

Quote:

when I am required to weld using a WPS qualified with impact testing, my WPS/PQR should be qualified in and state 5G GTAW for root / hot passes and the 1G SAW filler and cap.

No, it depends on the welding process(es) used. look at QW-203. Welder qualification are discussed in QW-303.

RE: Section IX

And yes, a new PQR/WPS will be required due to Impact Testing requirements.  Without Impact Toughness -- suplementary essential variable -- it would just be a 'paperwork' revision to your existing WPS to go from '1G only' to 5G or 'All Positions'.

All the WPS proves is that the listed weld filler and the type of weld process will successfully 'stick' two pieces of the listed P# of material togather.  It is a test of joint strength and soundness.

It is the WPQ - welder qual - that is a test of skill.

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