Sunday, May 18, 2008

[MW:783] Re:

EN8 which is having high carbon content (upto 0.44%) and CE in excess
of 0.45 needs preheating 100-150 deg.C
use low hydrogen eletrodes and PWHT to avoid hardening and cold
cracks.

you might try establishing PQR with the above.

On May 17, 3:43 pm, "PREM SHANKARDUTT NAUTIYAL"
<prem_nauti...@rediffmail.com> wrote:
>
> Dear Friends
>
> Can anyone tell whcih SMAW electrode to use to weld EN8 to SA516 Gr.70 and EN24 to SA 516 Gr.70.
>
> Both are butt joints around 50mm thk.
>
> Regards
>
> Prem Nautiyal
>
> PREM S NAUTIYAL
> CELL : 9820313278
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