As per ASME Sec VIII Dev 1, nozzles on CS/LS is per permitted provided additional NDE as specified in UW-14 shall be complied.
The main reason for restricting weld to weld distance is to reduce stress concentration.
Regards
Sudhir
On Tue, Nov 20, 2012 at 1:31 PM, Pinaki Boxi <boxi.pinaki@gmail.com> wrote:
Dear All,
Can you please confirm if there are any mandatory limitations on weld to weld distance (nozzle to CS/ LS, CS to CS, LS to LS, welds of attachments to other welds etc.)
Details:
Governing code: ASME Sec VIII Dev 1&2 and ASME B31.3 & 31.1
PWHT – Application on requirement basis.
NDT: 100% &10% RT & MPI on attachment/ fillet welds.
Does a weld meeting all above criteria (2 to 4) have an issue, metallurgically, when welds are too close or don't have even spacing e.g. weld long seam to long seam, (piping) reinforcement pad to support etc.
Thanks & regards
Pinaki Boxi.
Paradeep, PDRP Project.
Mob :- 9178466059.
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