What is the code of construction?
Many codes do not address this issue.
If it is not prohibited by specification, then it should be acceptable.
Thanks,
Chip Frizzell
CWI / ASNT NDT Lvl III / CRI / NACE CIP Lvl 2 – Certified
CELL: 520-510-8093
Price is what you pay – Value is what you get.
Seldom does the lowest price result in the best value!
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Dear Mahmood,
There is no clear quote for minimum weld distance length in ASME B31.1 Power piping standards, where there is minor guidance provided for a few locations as mentioned below:
1. 131 WELDING PREHEAT:
2. Figure 104.3.1-1 Reinforcement of Branch Connections (Cont’d)
3. Table D-1 Flexibility and Stress Intensification
Factors (Cont’d)
General
Note: In the cross-country pipeline, to maintain a minimum weld distance length is
so difficult in a position of mitre elbow. Your weld should have integrity as
mentioned in the specs. Use any type of NDE.
Olets fittings welds shall be carried out by the approved WPS. If there is no condition mentioned in your contract. You can waive it.
Thanks,
Kind Regards,
G.Gughan
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