----- Original Message -----
From: Sujeet Sangle
To: materials-welding@googlegroups.com
Sent: Sat, 4 Jul 2009 12:00:59 +0530 (IST)
Subject: [MW:2619] 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
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
>
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>
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>>
>
PREM S NAUTIYAL
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