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RE: [MW:4387] ferrite number of duplex stainless steel weld

Anywhere between 40-60 for the weld and 35-55 for the HAZ should be acceptable... But the client normally has the last word on this issues.

-----Original Message-----
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Sukamal Naskar
Sent: 26 February 2010 05:22
To: materials-welding@googlegroups.com
Subject: Re: [MW:4376] ferrite number of duplex stainless steel weld

Optimum is 50FN, but 40 ~ 70 FN will be acceptable , but still it depends on the client's technical specifications.

Regards,

On 2/26/10, pankaj.johri@in.transport.bombardier.com
<pankaj.johri@in.transport.bombardier.com> wrote:
> Hi,
>
> We are welding duplex stainless steel.
>
> To control the parameters of welding, we are measuring ferrite number
> of weld.
>
> Can anybody tell us how acceptable values of ferrite numbers are decided.
>
>
> Regards,
>
> Pankaj
>
>
> Please consider the environment before you print / Merci de penser à
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--
Sukamal

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