My dear Yogesh,
In my opinion the slag is high melting point compound and it will not melt during the hot pass(in a short span of time).But it will remain as a inclusion if it is present in the weld
With thanks & regards,
With thanks & regards,
N.Shanmuga sundaram
On Fri, Nov 26, 2010 at 6:48 PM, yogesh <yogeshandpini@gmail.com> wrote:
** More current is required to melt the already solidified root + the
slag deposits if any lying on the root pass needs more current to melt
on
** not neccesarily ,welding process in hot pass need not be same
yogesh
On Nov 24, 9:46 pm, srinivas rao <ksrv...@gmail.com> wrote:
> Hi Gents,
>
> I have doubt reg HOT PASS.
>
> 1. what is the purpose of doing HOT PASS with more speed and high current?
>
> 2. Should the Welding Process used for Root be the same for HOT PASS? If not
> necessarily then how should we decide?
>
> Thank you All
>
> Regards,
>
> Vasu
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