Thank you very much for this resource. It is very helpful.
I notice what TWI describes as "lack of root fusion" and what ASME B31.3 describes as "incomplete penetration" are in fact one and the same.
In normal service, a girth butt weld designed under ASME B31.3, a weld is allowed 38 mm of "incomplete penetration" for every 150 mm of weld. BUT zero "lack of fusion". Many RT interpreters under ASME B31.3 confuse the 2 indications, leading to unnecessary rework and an artificially high repair rate. Can any of our experts speak to this?
Warm regards,
Darcy Morin
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Anil Hegde
Sent: Wednesday, November 2, 2011 11:24 AM
To: materials-welding@googlegroups.com
Cc: harryeng.09@gmail.com
Subject: Re: [MW:12831] Welding Defect Photo
Hope this will help you.
-- tc
On Wed, Nov 2, 2011 at 3:39 PM, Harry Patel <harryeng.09@gmail.com> wrote:
Dear Sirs,Anybody have welding defect photo like incomplet fusion,incomplete penetration, root concavity in pipe.I hope for your reply.Thank you very much in advance.--
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