dear friends, is it possible to weld reinforcement pad over the longitudinal seam, if so please to give reference standard.

[sri kumar]

dear friends,  

       is it possible to weld reinforcement pad over the longitudinal seam, if so please to give reference standard.

 how to make a separation of reinforcement pad from the double seam pipe into three pad, is it seam also can include in the reinforcement pad ( normally pad is 120 degree )