[MW:5196] Re: Welding of an attachment directly on the weld overlay

Thanks for your help Dindo, but my question was How should be
qualificated the WPS used? as a butt weld? as a buttering weld?

On May 18, 6:46 pm, Dindo <dindodelac...@gmail.com> wrote:
> You can do this by making sure that the weld to be welded on is clean and
> smooth to prevent any inclusions, you can use  your orginal WPS.
>
> On Tue, May 18, 2010 at 8:36 AM, fer <fernando.alvarez.f...@gmail.com>wrote:
>
>
>
>
>
> > ASME VIII div 2 allows you to weld an attachment directly on the weld
> > overlay of a pressure vessel.
>
> > How should be qualified the WPS to carry out this welding?
>
> > The coupon of the PQR should be done with a buttering between the
> > material of the shell and the material of the attachment?
>
> > Could be asigned a P number to the weld overlay material and weld the
> > coupon between the P number of the overlay material and the P number
> > of the attachment?
>
> > Any idea would be helpful
>
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