Prequalfied wps means you can use welding processes, base metal, filler metal and other welding variables as given in AWS D1.1 only..you can't deviate otherwise you need to qualify it.
Hope to have your understanding on above
Aly
On 15 Nov 2016 11:48 am, "pankaj phuse" <pankaj.phuse@gmail.com> wrote:
--Dear Sridhar,Here we are talking about Pre-Qualified WPS i.e..pWPS.To initiate the welding, pWPS required.
On Tuesday, November 15, 2016 at 9:09:41 AM UTC+5:30, sridhar wrote:It means if you have already qualified a procedure for similar P nos,say, as per ASME sec IX or any code, you can refer it in your newWPS if done with AWS D 1.1 for same P nos. No need to do a PQRfor the new WPS.Sridhar.
From: pankaj phuse <pankaj...@gmail.com>
To: Materials & Welding <material...@googlegroups.com>
Sent: Monday, 14 November 2016 10:41 AM
Subject: [MW:25687] Re: what is pre qualified WPS as per AWS D1.1
--Prequalified welding procedure specification includes a weld joint specified in a governing code that does not require validation of welding parameters through the performance of a procedure qualification test. So, a prequalified WPS does not need a supporting Procedure Qualification test Record (PQR).RegardsPankaj PhuseWelding EngineerCSWIP 3.1
On Sunday, November 13, 2016 at 7:00:56 PM UTC+5:30, Anil Kumar wrote:Dear All
What is pre qualified WPS as per AWS D1.1
Its allows to write a WPS without PQR...?
Please explain
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