preheat is always better, if not possible, ok for 12mm plate
since it is plate and both side welding is possible, so tig for root
not require
Pandithan/9940739349
welding consultant
Madurai
On 11/19/12, Vivek Jain <vivek.anuj.jain@gmail.com> wrote:
> Sir,
> I am carrying out a final Year project on Effect of PWHT on
> "Mechanical properties of Weldmenst of SA387 GR11 Cl2 (Cr1.25%, Mo0.5%)".
> I need to know that is it important to Preheat the Material before
> welding and how we should arry out welding(Is it Important to carry its
> root pass from TIG)
> How Many passes we should do for welding the 12 MM plater of this
> material.
>
>
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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