20/5/2020
Minimum distance between two circumferential pipe joints – General Technical knowledge
General Technical knowledge
Technical knowledge
PIPING SYSTEM, WELDING FIELD
Minimum distance between two circumferential
pipe joints
Date: March 17, 2018 Author: Thanh ( QC ) Nguyen Le
1. Took a look through old B31.3 Interpretations:
0 Comments
There’s no Code requirement for the minimum distance between welds.
Interpretation 14-03(b):
Question (4): Does ASME B31.3-1993 Edition, Addenda b, have requirements for the
minimum lengths of pipe sections between welds?
Reply (4): No.
other:
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Minimum distance between two circumferential pipe joints – General Technical knowledge
As per ASME B31.3 para 341.4.1.6.B ” when a circumferential weld with an interesting
longitudinal weld is examined, at least the adjacent 38mm(1.5 Inch) , of each interesting
weld shall be Examined”
ASME SC-VIII-1,UW9(d)
2. From BS standard:
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Minimum distance between two circumferential pipe joints – General Technical knowledge
3. From other standard:
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Minimum distance between two circumferential pipe joints – General Technical knowledge
Document for refer:
+ h p://65.57.255.42/ubbthreads/ubbthreads.php?ubb=showflat&Number=36192
+ ASME B31.3
+ h p://www.eng-tips.com/viewthread.cfm?qid=194119
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20/5/2020
Minimum distance between two circumferential pipe joints – General Technical knowledge
Published by Thanh ( QC ) Nguyen Le
-QA/QC in offshore / ship building / welding field -Worked at Triyards -Worked at Hyundai
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