Saturday, August 30, 2014

Re: [MW:21764] RE: Cracks hair line apprearing after welding hard facing electrode

You mean residual stresses cracks
Best regards
Dr Georgios Dilintas
Authorized Nuclear Inspector
Authorized Inspector Supervisor
HBS Regional Technical Manager


  From: Kannayeram Gnanapandithan [kgpandithan@gmail.com]
  Sent: 08/30/2014 10:19 AM ZE5B
  To: materials-welding@googlegroups.com
  Subject: Re: [MW:21758] RE: Cracks hair line apprearing after welding hard facing electrode


it is stress relief cracks

THANKS & BEST REGARDS
KG.PANDITHAN, AWS-CWI, CSWIP 3.1
CONSULTANT-WELDING & QUALITY


On Sat, Aug 30, 2014 at 10:02 AM, jsn <jsn@cal2.vsnl.net.in> wrote:
Dear ,
 
Can please explain why hair line cracks are appearing after welding with ahand facing electrode
 
I have used a build up electrode  layer - 2
and 1 or two layers with hard facing electrode  a hair line crack at varius intervals.
 
I am informed that since it is hardfacing electrode hair line cracks will appear
 
= s p raman=
J.Suryanarayanan

 

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