Re: [MW:9057] RE: 9054] UT of Fillet weld

On Mon, Jan 3, 2011 at 1:32 PM, Firman Bhaktiwinaya <firman.bhaktiwinaya@profab-group.com> wrote:

Does we need UT for fillet welds ? could you tell me more as per client
spec or Code req. ?

Regards,
Firman Bhaktiwinaya

-----Original Message-----
From: materials-welding@googlegroups.com
[mailto:materials-welding@googlegroups.com] On Behalf Of Sadique Sheikh
Sent: Monday, January 03, 2011 3:10 PM
To: materials-welding@googlegroups.com
Subject: [MW:9054] UT of Fillet weld

Dear All,
During UT inspection of fillet weld, Does we need both angle probe and
normal or TR probe?

Thanks & Regards,
Mohd. Sadique Sheikh

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You can not UT a fillet weld. RT could serve you but, you would need an experienced film reader who could recognize the difference between a crack and the root it self. You could use the DC mode with MT unit that is effective to about 1/4 inch in depth.  Forget PT that is only applicable for surface defects. My question would be is there a reason why you think there might be cracking. Did you have failure of the welds? If you established you weld procedure in accordance with AWS D1.1 there in not a need to investigate the root of a fillet weld unless, there are indication of cracking in the weld. If that is the case you have to establish why is it cracking. To investigate roots of fillets on fear is not pratical nor reasonable or required unless established by supplication specification.

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Regards,
MUHAMMAD ASIM MUNIR
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MOODY INT.
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"QUALITY IS MORE IMPORTANT THAN QUANTITY"

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