any hard facing which is having more 35 hrc, bound to have stress relieve cracks, to avoid this keep inter pass temp very low or give some water cooling while welding??
THANKS & BEST REGARDS
KG.PANDITHAN, AWS-CWI, CSWIP 3.1
CONSULTANT-WELDING & QUALITY
On Mon, Sep 1, 2014 at 9:51 AM, jsn <jsn@cal2.vsnl.net.in> wrote:
--Dear Sir,It is stress releiving crackwith best wishes
= s p raman=
J.Suryanarayanan
7, Biplabi Rash Behari Basu Road
Kolkata - 700001
Phone no 40010934/40010806----- Original Message -----Sent: Saturday, August 30, 2014 6:43 PMSubject: Re: [MW:21764] RE: Cracks hair line apprearing after welding hard facing electrodeYou 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 REGARDSKG.PANDITHAN, AWS-CWI, CSWIP 3.1CONSULTANT-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 electrodeI have used a build up electrode layer - 2and 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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