Welding Procedure Specification WPS

WPS is an abbreviation for Welding Procedure Specification. The WPS is a written welding document that provides the tolerances of variables for welding process parameters which craftsman performing welding or joining process shall comply with in production.

Procedure Qualification Record PQR

PQR is an abbreviation for Procedure Qualification Record. The PQR is a record of the welding variables which were used during the original qualification of the test coupon and the PQR record includes the destructive testing of that coupon.