Try to have E80XX-B8 L electrodes to have Hardness control. Regards,
--- On Fri, 14/1/11, Bathula Raghuram (Mumbai - PIPING) <R.Bathula@ticb.com> wrote:
From: Bathula Raghuram (Mumbai - PIPING) <R.Bathula@ticb.com>
Subject: [MW:9217] Welding of P9 & P91 material
To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Date: Friday, 14 January, 2011, 2:22 PM
This is not a dissimilar weld, however consider it as special/critical weld in terms of Weldability, thermal treatment ... You can use either E80XX-B8 or E 90XX-B9, however separate PQR is required. From: piping_valves@yahoogroups.com [mailto:piping_valves@yahoogroups.com] On Behalf Of desaid@toyoindia.com
Sent: Friday, January 14, 2011 1:05 PM
To: materials-welding@googlegroups.com
Cc: piping_valves@yahoogroups.com
Subject: [piping_valves] <Security Level 2>Welding of P9 & P91 material Dear Respected members,
Which electrodes are used for welding of P9 & P91 material, Is this considered as dissimilar welding & Special Welding.
Can the electrode & process used for welding P9-P9 material be used for welding P9-P91 material also.
Your reply shall be highly appreciated.
Thanks & Regards,
Dhwani Desai
Planning & Piping Dept.
Ext.-7681
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