Taken from Sec9, pl see the attachment
On Sun, Aug 18, 2013 at 12:16 PM, Ali Asghari <asgharialigl@gmail.com> wrote:
Dear All--
what is difference between buttering& build up?because both of them are surfacing activities acc to AWS A.3.0
we have a branch connection in piping that header cut,the hole has a 2in bigger than O.D of branch.
we have a qualified groove wps acc to ASME IX that have a thickness range of 5-30mm.the thickness of header is 25mm.
Now which word must be used in this case?we can build up header with thick of 25mm and width of 45-50mm acc to groove wps?
Regards.
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