Re: [MW:21777] RE: Cracks hair line apprearing after welding hard facing electrode

Dear Sir,

 

It is stress releiving crack

 

with best wishes
= s p raman=
J.Suryanarayanan
7, Biplabi Rash Behari Basu Road
Kolkata - 700001
Phone no 40010934/40010806

----- Original Message -----

From: george.dilintas@gr.bureauveritas.com

To: materials-welding

Sent: Saturday, August 30, 2014 6:43 PM

Subject: 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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