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A Procedure Qualification Record (PQR) is the record of the actual weld test parameters used.It is the founding document as far as procedures are concerned and is used to produce welding procedure specification sheets (WPS) for production welds.

WPQR: Welding Procedure Qualification Record The samples are welded with a procedure called WPQR under the surveillance of an inspector and then sent to a laboratory to be subjected to various tests (hardness and compression testing, macroscopy, tensile testing, bending, etc.).

The WPS contains details that are necessary to create the desired weld. This includes information such as base metal grade, filler metal classification, amperage range, shielding gas composition, and pre-heat and interpass temperatures.

A Welding Procedure Specification (WPS) is a formal document describing welding procedures. It is an internal document used by welding companies to instruct welders (or welding operators) on how to achieve quality production welds that meet all relevant code requirements.

A Welding Procedure Specification, or WPS, is essential to creating consistent, high-quality products with a confidence that they will withstand the expected service conditions. A WPS purpose is to detail proven welding parameters procedures to guide welders as they weld components.

There are essentially four steps to writing a complete welding procedure specification WPS. What Do You Need to Complete Your Weld. ... Add essential information to the Preliminary Welding Procedure Specification pWPS. ... Welding Procedure Qualification Record PQR. ... Create one final Weld Procedure Specification.

There are some additional details that are, nonetheless, relevant to making WPS ing to ISO 15609-1 and ISO 15614-1. Although less important, they should be mentioned. The most important here would be the torch angle and number of electrodes. The torch angle will directly influence the morphology of the weld bead.

What is a WPS? A Welding Procedure Specification, or WPS, is a formal written document describing standard welding procedures. Like a recipe for welders, these procedures provide clear direction for your welders to make quality products that are up to code and industry standards.