[MW:15788] Re: Why do we Use of clamps instead of TackWelds in pipeline?

Dear all,

Moreover,as per API1104,you will have to mention WPS at which point u
will removed external or internal clamps...mostly after 70% of root
completion.

Generally for line welding using internal clamps and tie in uses
external clamps...

Tack can be used with external clamps...if ur pipeline is properly
secure againts any bending..or misalignment...u can remvore clamps
after fit up...and tack welding remained for continuos welding.

Regards,
Mohd.
On Oct 26, 7:03 pm, rajesh ac <rajes...@yahoo.com> wrote:
> Dear ,
>
> It is for the ease of construction for continious pipe line to do fast welding .Tacking and weld removal is a time taking job for the completion of welding
>
> Regards
> Rajesh
>
> --- On Fri, 10/26/12, srinivas rao <ksrv...@gmail.com> wrote:
>
> From: srinivas rao <ksrv...@gmail.com>
> Subject: [MW:15775] Why do we Use of clamps instead of TackWelds in pipeline?
> To: materials-welding@googlegroups.com
> Date: Friday, October 26, 2012, 1:01 AM
>
> Dear Gents,
>
> Can anyone clarify Why can't we use tack weld for fit-up in pipeline?
>
> Regards
>
> Srinivas
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