Hi,
The F no will change only if use SMAW. But if you have used GTAW then Fno will not change and as you are going to purge which not essential vairable for welder qualificiaton. Deletion of purging is essential vairable, addtion of purging is not essential variable.
Regards
N.V. PRASAD
On Mon, Aug 9, 2010 at 12:07 PM, Eng/ Mostafa Kamel Hussein <mkh_200@yahoo.com> wrote:
If you speak about WPS according to ASME IX then under the conditions you wrote, your welding conditions are qualified for pipe 6" according to QW-452.3the P-No.1 to P-No.1 can not qualify P-NO.8 to P-No.8 as per QW-424.1 and also can not qualify P-NO.8 to P-No.8 as per QW-424.1If you speak about WPQ according to ASME IX then under the conditions you wrote, your welding conditions are qualified for pipe 6" according to QW-452.3the P-No.1 to P-No.1 can qualify P-NO.8 to P-No.8 as per QW-424.1 and also can qualify P-NO.10H to P-No.810H as per QW-423.1
1) I have qualified for welding pipe 2" (60.3mm OD) material P-No.1 to P-No.1.
Do I qualified for welding
a) pipe 6" (168.3mm OD)
b) material P-No.8 to P-No.8
c) pipe P-No.10H to P-No.10H with 2" (OD).
2) If we welding pipe, the qualification base on OD pipe or thickness pipe?
Thanks.
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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