Welding

[Brahim2013]

Hello,
please could you tell me if this statement is true or not?
PQR does not show backing ring, hence production weld also can not be with backing ring?
Regards

 

[stanweld]

No.

 

[Brahim2013]

Thanks for the response standweld

 

[stanweld]

Backing is a non-essential variable.