The main differences between a PQR and a WPS

Further to our last article where we discussed what a PQR and WPS is: This week we wanted to delve a little deeper and discuss the main differences. In case you are wondering, a WPS stands for ‘welding procedure specification’ and a PQR is ‘procedure specification record’. A WPS and PQR are mandatory documents when […]


A welding procedure specification (WPS) is a written procedure or set of instructions prepared to provide welding parameters for the making of a defect free weld. It can be used on production only after successful qualification of the supporting PQR. A WPS can be supported by one or multiple PQRs. Basically, a WPS allows welders […]

What is Non-Destructive Testing?

Non-destructive testing (NDT) is an assessment of the integrity of a product without causing damage to the component being tested. NDT  from Weldtest New Zealand ensures the safe and efficient operation of your equipment and assets by detecting defects before they result in severe damage and assures compliance with national and international standards. Our NDT […]