PWHT does not refine grain size per se
--- On Fri, 8/7/11, muthusrinivasan muthuselvam <msms2k@gmail.com> wrote:
From: muthusrinivasan muthuselvam <msms2k@gmail.com>
Subject: Re: [MW:11637] Impact value in HAZ
To: materials-welding@googlegroups.com
Date: Friday, 8 July, 2011, 5:06 PM
Dear Sandeeph..
A. As per mr.Dinesh you have to reduce/minimize the heat input as much as low.
B. You can try for any post weld heat treatment.. Both will refine your grain size in HAZ so you will get more impact valve. br, msms
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