Hi,
for CE upto 0.46 & WT upto 12.7 mm , you can use 10deg celsius as preheat temp.
On Sun, Jul 18, 2010 at 6:29 PM, shibu simon <shibusimon2000@yahoo.co.uk> 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 ShibuWhat is thickness range of the pipe and CE value ?Piramarayan BOn 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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Regards
AAKARSH PP
QA/QC-Welding
LTCS Shop-Hyundai Engg. & Construction
Karan Gas Field Development Project
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