It means that a particular welding procedure specification wps gets qualified for a particular thickness range and if we have to weld beyond that thickness range then we need a new wps and procedure qualification.
Asme section ix qualified weld procedures.
A review of the welding processes and variables as well as a review of basic welding metallurgy is conducted to provide participants with sufficient background in welding technology.
After completion of welding and heat treatment if needed you need to send the test specimen to the metallurgical lab for mechanical testing.
The thickness range for which a welding procedure specification wps gets qualified is given in asme bpvc section ix table qw 451 1.
First prepare a welding procedure specification wps.
This is a fundamental course that trains participants to comply with the requirements of asme bpv code section ix welding brazing and fusing qualifications.
However qualification for a new welding procedure specification and performance qualification shall be carried out in accordance with the latest edition of asme section ix.
Asme sec ix welding procedure and performance qualification.
Wps welding procedure specification pqr procedure qualification record wpq welder performance qualification.