Dear Sir,
Please tell the name of electrode to be used.
Thanks and regards.
VKJ
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Muni Andy
Sent: Monday, January 03, 2011 5:59 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:9049] Repair of Body cracks for A 217 Gr WC6
Dear Vinod,
It can be welded.But you have to dismantle the valve.
Do preheat as per A217,Weld it and then do Post weld heatreatment
at 700 Deg C.Soaking hours as per thickness.
Do the remachining where required because there
may be little distortion.
Do the crack removal by grinding.
Before proceeding grinding,arrest the crack at both ends.
Regards,
C.Muniyandi
Coimbatore
9994765591
On Sun, Jan 2, 2011 at 9:57 AM, Vinod Jotwani <poojvin@yahoo.com> wrote:
Dear All,
We have noticed multiple crack during the replica check in the control valve body ( Material A 217 Gr WC6 , size 2 " X 2500 RTJ, H2 service) during the fire incident at our Hydrocracker plant. We would like to carry out the repair jobs for the same,
Kindly share your experience and also advise whether advisable or not. Also share the WPS and cautions to be followed if repair performed by anyone in the group.
Vinod
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