Yes you can.
Section IX does not dictate the form of the WPS (or the PQR for that matter) but only dictates the variables or components that must be addressed. A single WPS can be written for both conditions as long as the essential variables and non-essential variables are addressed for both conditions (and if appropriate, supplementary essential variables). I have frequently seen WPS's of this type and upon review have approved them on the basis of addressing all required variables. In a previous job, it was not uncommon to weld a single coupon, split it into two parts and test one half with PWHT and the other tested as welded and then write a single WPS. However, a single welded coupon is not required.
The biggest problem is to avoid confusion for the welder caused by a too complex a WPS. Remember that the ultimate purpose of the WPS is to provide guidance to the welder on how to complete the weld.
Don't import your personal bias into requirements for qualification. Apply what is required by the Code and, if necessary, the ever annoying customer.
Enjoy.
From: 'Dinesh Gaur' via Materials & Welding [mailto:materials-welding@googlegroups.com]
Sent: Monday, July 18, 2016 10:46 PM
To: materials-welding@googlegroups.com
Subject: Re: [MW:25116] ASME Section 9
Dear Mr.Parvan
Can you brief that on what basis you can made a single WPS?
As per ASME Sec IX, You Can"t.
On Tuesday, 19 July 2016 6:41 AM, "p_chavdarov@mail.bg" <p_chavdarov@mail.bg> wrote:
Yes, you can, as long as all other variables are equal.
Best regards
Dr. Parvan Chavdarov
----- Цитат от Kannayeram Gnanapandithan (kgpandithan@gmail.com), на 15.07.2016 в 06:13 -----
Having 2 PQRs ,one with PWHT and another without PWHT. With these 2 PQRS, can a single WPS be made addressing both conditions by keeping other variable in the order..
THANKS & BEST REGARDS,
KG.PANDITHAN, IWE, AWS-CWI, CSWIP 3.1,
CONSULTANT-WELDING & QUALITY
Mobile no: +919940739349
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