P Numbers for Welding and Brazing

Javed Nasir · **Posted:** Tue Sep 06, 2011 8:56 am

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.

Javed Nasir · **Posted:** Sat Sep 10, 2011 7:40 pm

The same question I also put on Eng-Tips and www.thepertostreet.com. You may read question and answers by using the following link.

http://www.eng-tips.com/viewthread.cfm? ... 052&page=1

http://www.thepetrostreet.com/forums/vi ... ac03e72a08

P Numbers for Welding and Brazing

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