[MW:2618] RE: 2616] Re: QW 407.3

 

I hope the  interpretation of clause is that if the production welding soaking time is X hrs (Includes total soaking time involved in production like intermediate, dehydrogenation, final PWHT etc…) then the supporting PQR soaking time shall be atleast 80% to the X hrs.  WPS can be written with this PQR to cover the Production time X hrs.

 

Regards,

Vasanth

 

 

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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Shashank Vagal
Sent: 03 July 2009 08:05
To: materials-welding@googlegroups.com
Subject: [MW:2616] Re: QW 407.3

 

The underlying meaning eludes me; why would one want to increase the soaking time at an additional cost and what not, over and above the WPS allowed one by way of a PQR? Something jinxes. Shashank Vagal --- On Tue, 30/6/09, PREM SHANKARDUTT NAUTIYAL <prem_nautiyal@rediffmail.com> wrote: From: PREM SHANKARDUTT NAUTIYAL <prem_nautiyal@rediffmail.com> Subject: [MW:2594] Re: QW 407.3 To: arunvani@gmail.com Cc: materials-welding@googlegroups.com Date: Tuesday, 30 June, 2009, 10:15 AM I think it is QW-407.2 you guys are referring, because QW407.3 does not appear in Sec.IX 2007 edition ! Regards Prem Nautiyal On Sun, 28 Jun 2009 19:41:18 +0530 wrote >you are right, rajagopal >arun > >On Sun, Jun 28, 2009 at 11:28 AM, rajagopal kannan < >rajagopal.kannan@gmail.com> wrote: > >> Hi, >> That is if you do heat treatment of your PQR Test coupon to 80 minutes >> soaking time, then you can write a WPS for production welds to the maximum >> of 100 minutes soaking time. >> Thanks, >> K.Rajagopal >> >>   On 6/27/09, Jamie Welding wrote: >>> >>> >>> Hi folks, >>> Can any one of u interpret the QW 407.3. >>> Especially the part PQR should be at least 80% aggregate times that in >>> production welds. >>> >> >>> > > >-- >ARUNVANI > >Smiling Opens the Heart > >Good feelings for others are like ointments that heal wounds and >re-establish friendships and relationships. Good feelings are generated in >the mind, are transmitted through your attitude and are reflected in your >eyes and smile. Smiling opens the heart and a glance can make miracles >happen. > >SMILE IS A COOLING SYSTEM OF HEART, >SPARKLING SYSTEM OF EYES, LIGHTING SYSTEM OF FACE, RELAXING SYSTEM OF >MIND.... >SO TO ACTIVATE ALL YOUR SYSTEM >==ALWAYS KEEP SMILING== > >> > PREM S NAUTIYAL CELL : 9820313278

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