S number...?
S number...?
(OP)
Hii everyone...my question is related with S numbers...
is there any difference between S number and P number...?can we use WPS with a PQR supporting P1 to P1 to weld S1 base materials...? Thanks
is there any difference between S number and P number...?can we use WPS with a PQR supporting P1 to P1 to weld S1 base materials...? Thanks





RE: S number...?