Friday, March 4, 2011

RE: [MW:10127] Why small bore piping is Socket welded?

G’day Jagdish, I would not recommend socket weld piping if it is in a vibrating environment eg. Reciprocating compressors. Butt welds are much stronger.

 

If you do go with socket weld, make sure they leave a small gap at the end of the pipe when they insert it. If the socket is installed flush then you will introduce residual stress when you weld i.e. heat expansion.


Cheers

 

Kim

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Fitria Rahman
Sent: Friday, 4 March 2011 9:57 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:10122] Why small bore piping is Socket welded?

 

Hi Jagdish

below is my view;
the socket weld are easier to be installed.
yes, you can use a butt weld for small bore piping. This has been proven successfully in our project.
Lastly, some disadvantage such as overstress, fatigue and others disadvantage most likely happens in SW. Other thing also is BW strength is better than FW.

2011/3/2 jagadish.dodiya@gmail.com <jagadish.dodiya@gmail.com>

Why small bore piping is socket welded?
can i butt weld smallbore piping?
reson is bore geting ruduce OR less thichness?

regards,
Jagdish

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