Dear Rayan,
Please refer to clause no. QW-211 of ASME Sec. IX. Also note that pipe diameter is not essential variable for PQR qualifications as per Sec. IX. However, it is essential variable for Welder performance qualifications.
For API 1104, pipe diameter is essential variable for PQR and welder performance qualification as well.
Regards,
L. Prabhu kumar,
Sr. Principal Engineer,
Equipments & Materials Dept.,
Saipem India Projects Limited,
Tel:+91 44 43906588, Ext.: 588, Fax:+91 44 66840345,
Mobile Ph. No.: +91 9003010978.
From:
Sent: Tuesday, May 04, 2010 9:39 AM
To: Material Welding
Subject: RE: [MW:5038] Pipe or Plate PQR ?
Yes you can use plate PQR for qualification a pipe WPS as per ASME sect IX provided applicable P number, Group number is within limit.
As per QW 451 table no restriction for pipe diameter
However there is restriction for pipe diameter PQR for certain consrtuction code i.e API 1104
Bharat B. Gole
> Date: Mon, 3 May 2010 20:33:25 -0700
> Subject: [MW:5037] Pipe or Plate PQR ?
> From: rmjiran@gmail.com
> To:
>
> Hi dear all
> Please somebody tell me if I can use a plate PQR for qualification a
> pipe WPS according to ASME Sec. IX?
> I could not find any thing about that in ASME code. If it's possible
> then why there is pipe diameter limit in PQRs?
> Please refer to ASME paragraph.
>
> Thanks
>
> --
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