WPS
Welding Procedure Specification
The written recipe for a weld: process, material, filler, position, preheat, current and travel speed. A welder must work to a qualified WPS; the PQR is the test record that proves the WPS produces a sound weld.
Piping inspection and supervision, explained from scratch
Welding Procedure Specification
The written recipe for a weld: process, material, filler, position, preheat, current and travel speed. A welder must work to a qualified WPS; the PQR is the test record that proves the WPS produces a sound weld.