Detection Content

Detection Purpose: Evaluate whether the welding unit has the ability to weld the welded joints that meet the requiremen

Detection range: It is applicable to the manufacture, installation and maintenance of steel equipment such as boilers

The full PQR specification is Welding procedure qualification record. PQR refers to the record of actual welding parameters and the results of non-destructive testing and mechanical property testing when the specimens are welded.Process evaluation record (PQR) is the record of welding data used in the welding of specimens. PQR is the record of welding variables when welding specimens, and it also records the test results of the specimens.PQR test items include macro metallography, stretch, bending, impact, hardness, nondestructive inspection and so on.