'matter of fact the lower range value is equally important. If the heat input is reduced as compared to PQR values, tendency to harden increases as cooling rate is increased. In your WPS, you need to mention the range as recorded in the PQR.
TG
Hi Nilesh,
Being impact as a requirement, you will have to limit the maximum Heat Input value in WPS as qualified in the PQR. You will have to indicate the values on WPS with upper limit restricted to that in PQR.
Thanking you,
Rgds,
Prashant
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of waman nilesh
Sent: Friday, March 23, 2012 11:07 AM
To: materials-welding@googlegroups.com; materials-welding@goolegroups.com
Cc: wamannp@yahoo.com
Subject: [MW:13977] Heat input value in WPS
Dear Experts,
I have question we are doing WPS, PQR & WPQ ( Material- IS 2062 GR B & thickness- 20 mm ) as per EN 15614 standard in which impact is essential.
So which value of heat input is to be mention on WPS.
With Regards,
Nilesh
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