P Numbers for Welding and Brazing
P Numbers for Welding and Brazing
(OP)
Dear Members,
Does anybody knows why different P.Number is assigned to the same material for welding and brazing as we see QW-422 in Section IX?
For example SA-36 (the first material of QW-422) is assigned P.No.1 for welding but P.No.101 for brazing.
Does anybody knows why different P.Number is assigned to the same material for welding and brazing as we see QW-422 in Section IX?
For example SA-36 (the first material of QW-422) is assigned P.No.1 for welding but P.No.101 for brazing.
Nasir
Welding Engineer
DESCON ENGINEERING LIMITED
PAKISTAN





RE: P Numbers for Welding and Brazing