[MW:11695] Using 10018-G Electrode replacing 9018-G in WB-36 Material with out qualifying PQR.

Dear Friends,

We have a qualified PQR for WB-36 Material using E 9018-G material and
we are using it in site.Now a vendor is supplying us 10018-G which is
more available.

Can I use 10018-G instead of 9018-G without qualifying PQR.I think in
both cases essential varialbles are same....

Also Is there any problem in using 9018-G instead of 10018-G without
qualifying PQR....

Regards,
Jose

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