Hi there, heat input limitations are applicable to each weld pass and do not apply cumulatively.
-----Original Message-----
From: Scott Loew
Sent: 17/08/2013, 21:16
To: materials-welding@googlegroups.com
Subject: [MW:18459] Re: heat input calculation in welding
take a look at this Video
http://vube.com/Data+Scope+Solutions
On Thursday, January 27, 2011 10:19:23 PM UTC-6, sandy wrote:
>
> Hi everybody
>
> I have one query regarding the heat input.
> If I am welding a joint with multipass, then I have diffrent heat
> input for every pass depening on the parameters. now I want to know
> which heat input shall be taken into consideration for the effect of
> heat input on base metal, cauz every pass has its effect on base metal
> and after every pass due to the previous heat input I am giving extra
> heat in the base metal.
> So I want to know should I take individual heat input or sum of all
> heat input for getting the exact effect of Heat input on base metal.
>
> Regards
> Sandeep Kumar
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