08 Oct,2024
Welding procedure qualification
Welding process qualification WPQ is to use test pieces of a certain shape and size to weld, test and record under specified conditions, and conduct comparative analysis to verify and obtain a complete welding joint process with certain performance.
It is widely used in the manufacturing, installation and maintenance of boilers, pressure vessels, pressure pipelines, bridges, metal structures, ships, aerospace, nuclear energy and other equipment. The welding methods involved include: gas welding, welding
Strip arc welding, tungsten arc welding, gas metal arc welding, submerged arc welding, plasma arc welding, electroslag welding, stud welding, laser welding, pressure welding, plastic welding, brazing and friction welding, etc.
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