[MW:4640] Back gouging of SS

Dear  Friends

 

What is the best method of back gouging of SS weld of heavy thickness plate?

Do you prefer

i)                    Back Gouging by Carbon Arc rod

ii)                   By Plsama gouging with hand torch

 

Ia)If By Carbon Arc rod – How much gouged surface you prefer to grind ? to remove carbon contamination

Iia) Is there any special plasma torch available for back gouging

 

Regards

 

Hegde P.b.