Tuesday, February 21, 2012

Re: [MW:13762] Incomplete pen vide B31.3 2004 Ed

Hi,

As per ASME B31.3, acceptance criteria for incomplete penetration is:- between ≤1mm ann ≤0.2Tw

was it caught by Radiography or ultrasonic testing?

If UT then there is possibility that what you are referring to "incomplete penetration" might
actually be "Lack of sidewall fusion" for which table 341.3.2 Note 7 states that
"tightly butted unfused root faces are unacceptable".

Regards
Manpreet Singh



On Tue, 21 Feb 2012 09:11:51 +0530 wrote
>Gents,
REF:
B31.3 Ed 2010, Table 341.3.2
Weld joint of 8" dia x 7 mm thick 106 Gr B, Fluid Service Normal, Category M.
Welding Process: GTAW + SMAW.
Is incomplete pen allowed as per this code to any extent ? Please advise.
Regards,
Shashank Vagal






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