A PQR that uses an S-number qualifies for which materials?

A PQR that uses an S-number qualifies for which materials?

• A. S-number Materials only
• B. P-number Materials only
• C. Neither
• D. Both S-number and P-number Materials

Answer: (D)

In welding procedure qualification, a PQR records how a specific welding procedure performed on a given base metal group (P-number) using a particular filler metal group (S-number). When the test shows acceptable welds, the approved procedure and its associated WPS apply to materials within that same base-metal group and using that same filler-metal group. So, if a PQR was conducted with an S-number filler metal, it validates welding for that S-number and for the base metals in the specified P-number group. Because the qualification covers both the base metal category and the filler metal category, the PQR qualifies for both S-number and P-number materials.

In welding procedure qualification, a PQR records how a specific welding procedure performed on a given base metal group (P-number) using a particular filler metal group (S-number). When the test shows acceptable welds, the approved procedure and its associated WPS apply to materials within that same base-metal group and using that same filler-metal group. So, if a PQR was conducted with an S-number filler metal, it validates welding for that S-number and for the base metals in the specified P-number group. Because the qualification covers both the base metal category and the filler metal category, the PQR qualifies for both S-number and P-number materials.