Hi priama PQR test coupon thickness is 12.7 mm. and CE - 0.38
Regards. shibu
--- On Sun, 18/7/10, pirama rayan <piramarayan@gmail.com> wrote:
From: pirama rayan <piramarayan@gmail.com>
Subject: Re: [MW:6011] Pre heat temperature
To: materials-welding@googlegroups.com
Date: Sunday, 18 July, 2010, 10:53
Dear Shibu What is thickness range of the pipe and CE value ? Piramarayan B
On Sat, Jul 17, 2010 at 9:08 PM, shibu simon <shibusimon2000@yahoo.co.uk> wrote: Dear all,
Carbon steel base metal initial temperature was 32 deg celcius, during PQR qualification as per API 1104. Decreasing pre heat temperature is an essential variable as per API 1104. So what minimum preheat temperature to give in WPS.
Thanks.
shibu simon
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