Welding Procedure Specification (WPS)
is a written document that provides direction to the welder
or welding operator for making production welds in accordance
with Code requirements. Any WPSs used by a manufacturer
or contractor that will have responsible operational
control of production welding shall be a WPS that has
been qualified by that manufacturer or contractor in accordance
with Article II, or it shall be an AWS Standard
Welding Procedure Specification (SWPS) listed in
Appendix E and adopted by that manufacturer or contractor
in accordance with Article V.