S9074-AQ-GIB-010/248 Rev 1
Table 7-10. Performance Qualification Test Limitations 7/, 12/
Thickness of Base Material to be Qualified
Required Qualification Test Assembly
Form of Base Material Qualified
0.058 inch and greater 1/
Test no. 1 or 2 9/ (figure 7-12 or 7-14) Test no. 3 or 5 9/ (figure 7-15 or 7-22) Test no. 4 or 6 9/ (figure 7-15 or 7-22)
Plate, castings, forgings, and shapes
Pipe 2/, 3/, 4/, 5/, 6/, 13/, 14 /
0.058 inch to 2T 1/
0.058 inch and greater
Test no. 8 8/, 12/ (figure 7-16)
Pipe or plate (for tack and fillet welds only, not socket welds) Socket welds, seal welds, tube-to-tubesheet welds, and internal tube-to-header welds Pipe or plate (for cladding, hardfacing, buttering)
All thicknesses
15/
15/
T or 1 inch, whichever is less, to unlimited; for weld thickness, see footnote 16
Test no. 9 (figure 7-17 [plate] or 7-17A [pipe]) 17/
Pipe or plate 10/
11/
Test no. 10 (figure 7-26)
Friction stir (see Appendix A)
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NOTES:
1/ Performance qualification for thicknesses under 0.058 inch may be accomplished by welding a thinner test piece similar to test number 1, 3, or 5, as applicable, using a qualified thickness range of T to 2T, where T is the test plate thickness. Also, performance qualification can be accomplished on thicknesses 0.058 inch or greater but less than the specified qualification test assembly thickness and the qualification range will be 0.058 inch to 2T. 2/ Welders qualified to either test number 3 or 4 or the fill portions of test number 5, 6, or 10 shall be considered qualified to weld (with the process employed) all types of pipe joints, except for: (a) The root, or root plus one layer in preplaced filler metal insert root butt joints, (b) Full penetration joints welded from one side with no backing ring or preplaced insert, and (c) Joints requiring separate qualifications by 5-3.5 and 5-3.6. 3/ A welder or welding operator may perform only part of the preplaced filler metal insert or other root performance qualification test (i.e., just the root, root plus one layer or subsequent layers), but he or she shall be qualified only for that part of the insert joint actually made during qualification testing. Qualifications for welding the root only or root plus one layer are not subject to the thickness limitations of this table. 4/ Qualification test numbers 3 or 4 will qualify for root connections, fillets, bosses, and partial penetration welds, except for: Qualification test numbers 5 or 6 (i.e., insert root and fill portions) will qualify for use of the processes employed for all joint types, except for full penetration joints welded from one side with no backing ring or preplaced insert, and use of a different insert shape, and the welds addressed by 5-3.5 and 5-3.6. 6/ Qualification on a pipe test shall qualify the same thickness for plate welding. 7/ Qualified welders are also qualified as tack and fillet welders. 8/ Welders qualified on test number 8 are qualified as tack and fillet welders only (see table 7-9, footnote 2 for structural pipe size limit). For socket welds, see footnotes 12 and 15. 9/ For full penetration butt joints welded from one side with no backing or preplaced insert, the weld joint design used for performance qualification shall be that used for procedure qualification. 10/ (a) The insert root or insert root plus one layer of preplaced filler metal insert root butt joints, (b) All full penetration joints welded from one side with no backing ring or preplaced insert, and (c) Joints requiring separate qualification by 5-3.5 and 5-3.6. 5/ Performance qualification test, no. 10 plasma arc welding, keyhole technique, will qualify other processes used for the remainder of the weld for all joint types, except for full penetration butt joints, welded from one side with a root gap and no backing ring or with a preplaced insert.
(Footnotes continued on next page.)
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