Re: [MW:7632] Normalizing of Weld joints

We had tried one sample of our coupon for impact testing after normalizing the value has got reduced.

ie., it has failed in the pwht for 1 hour and at the same time after normalizing.(as per  asme sec viii div1/ug84)

counsumable batch tested at much lower impact than required and plate is Sa 516 Gr65 N

Even all supplementary essential variables are taken care.

Ganesh

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From: "Kattimani, Madiwalappa" <Madiwalappa.Kattimani@jacobs.com>
To: materials-welding@googlegroups.com
Sent: Mon, 18 October, 2010 6:17:11 AM
Subject: RE: [MW:7617] Normalizing of Weld joints

Impact value will increase.

 

Regards

M.G.Kattimani

 

-----Original Message-----
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of GANESH GANESH
Sent: Sunday, October 17, 2010 9:02 PM
To: materials-welding@googlegroups.com
Subject: Re: [MW:7615] Normalizing of Weld joints

 

whether impact value after normalizing of weld joint decrease or increase

 

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From: Vanchinath S.A. <vanchinaths@gmail.com>
To: materials-welding@googlegroups.com
Sent: Sun, 17 October, 2010 4:38:35 PM
Subject: Re: [MW:7611] Normalizing of Weld joints

normalising temp should be in the range of 880 to 920 degC and soaking time 1/2 hr per inch thk. higher soaking time will result in lowering of weld strength.

vanchi

On Sat, Oct 16, 2010 at 5:40 PM, pavainathan <pavainathan@gmail.com> wrote:

Hi Memebers,
                     We have welded fitting (A 234 WPBW) which needs
to be Normalized after welding around temeperature 825 DegC .I look
for some specification reference to calculate the soaking time for the
thickness range 20-25mm . Any one can suggest me the options.

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