You dont need to use a flange for the PQR. Just pick a pipe material with same P no, and if impact testing is required with same Group No.
Keep in mind that in asme diameter is not an essential variable for PQR.
Make your life easier by using large diameter samples
Στις Παρ, 26 Οκτ 2018, 09:12 ο χρήστης Noor Osama <noorkathir@gmail.com> έγραψε:
--Dear Expert,Is it possible to replace LTCS Flange A350 LF2 by Flange API 5L X65 during qualification of A333 GR 6 Pipes to A350 LF2 Flange.
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