No doubts about the client requirement,b'coz always NDT can done after
PWHT.
Thanks,
Sandeep.k.p
On May 29, 2:12 pm, "PAMULA " <vasantharao2...@rediffmail.com> wrote:
> Dear All,
>
> I have conducted Overlay PQR qulification (316L OVERLAY ON SA516 Gr.70N) as per ASME Sec IX.
>
> As per ASME SEC IX QW-453, note 4, 5, 9, we have conducted
>
> 1. DP test after every layer(total 3layers) in as-welded condition.
> 2. 4-Side bend tests in PWHT condition.
> 3. Chemical analysis from overlay specimen in as-welded condition.
>
> Job requirement:
> 316L weld overlay on SA516 Gr.70, vessel will under PWHT at 620 Deg.C.
> ASME Div.1 Cladded Vessel.
>
> Client Comments on PQR.
>
> client is demanding us to provide DP report After PWHT of the overlay.
>
> Client says PWHT is essential variable, DP test & bend tests should be conducted after PWHT.
>
> Query.
>
> Is it Code (Sec.IX or Div.1 ) requirement to conduct DP test after PWHT ?.
>
> If it is code requirement, pl. provide the reference from code.
>
> if any code interpretations available, pl. provide the same.
>
> regards
>
> P.Rao.
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