Dear Mr. Rao
As per ASME sec viii div 1,No 42 , VIII-1-98-09,NDT can be performed
before PWHT as well.
in my opinion, Doing a DP test is not a big deal,if client asking for
it,you should fulfill his requirements.
Regards
Manpreet Singh
Welding Engineer
Spiecapag
On Sun, 30 May 2010 12:34:57 +0530 wrote
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Dear All,
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I have conducted Overlay PQR qulification (316L OVERLAY ON SA516 Gr.70N) as per ASME Sec IX.
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>
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.
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>
Client Comments on PQR.
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client is demanding us to provide DP report After PWHT of the overlay.
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Client says PWHT is essential variable, DP test & bend tests should be conducted after PWHT.
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Query.
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Is it Code (Sec.IX or Div.1 ) requirement to conduct DP test after PWHT ?.
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If it is code requirement, pl. provide the reference from code.
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>
if any code interpretations available, pl. provide the same.
>
>
regards
>
>
P.Rao.
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>
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
As per ASME sec viii div 1,No 42 , VIII-1-98-09,NDT can be performed
before PWHT as well.
in my opinion, Doing a DP test is not a big deal,if client asking for
it,you should fulfill his requirements.
Regards
Manpreet Singh
Welding Engineer
Spiecapag
On Sun, 30 May 2010 12:34:57 +0530 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.
>
>
>
>
>
>
>
>
>
>
>
>
--
>
To post to this group, send email to materials-welding@googlegroups.com
>
To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com
>
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
>
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
>
 |
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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