Re: [MW:5587] Distance between welds

Hi,

         If we don't have any client specification, where can we get this type general detail. Is there any book for general engineering practice?

 

Louis

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From: B.Vaithiyanathan <pavainathan@gmail.com>
To: materials-welding@googlegroups.com
Sent: Sun, 13 June, 2010 11:48:55 PM
Subject: Re: [MW:5577] Distance between welds

Hi

 this is for your info

One of my client specification allows the Minimum distance between(toe to toe) weld can be 5 times the wall thickness provided both joint can be radiographicaly acceptable.If in case of sour service Hardness check on weld ,HAZ & Base metal is required.

 

vaithiyanathan

On Sat, Jun 12, 2010 at 10:17 AM, manpreet <manpreetsin88@rediffmail.com> wrote:

Dear All

My case is:-

code of construction- ASME B31.3
LPG/LNG pipeline

For Pig signaller, we have to weld a barred tee in the pup piece attached with valve.

pup piece material- API 5L X60 PSL2
barred tee- ASTM A860 WPHY 60

length of pup piece is 125 mm. Kindly find the attached drawing for welding connection.

Acc. to Australian std distance between welds should be 6 times of thickness, in this case we r not able to weld.
PLS confirm looking at the drawing, can the welding be performed?

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With Best Regards

B.Vaithiyanathan

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