Welding Procedure Specification
Welding, Welder Certification, Wps
978-613-9-13992-7
6139139929
176
2013-01-10
34.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A Welding Procedure Specification (WPS) is a formal document describing welding procedures. The purpose of the document is to guide welders to the accepted procedures so that repeatable and trusted welding techniques are used. A WPS is developed for each material alloy and for each welding type used. Specific codes and/or engineering societies are often the driving force behind the development of a company's WPS. A WPS is supported by a Procedure Qualification Record (PQR or WPQR). A PQR is a record of a test weld performed and tested (more rigorously) to ensure that the procedure will produce a good weld. Individual welders are certified with a qualification test documented in a Welder Qualification Test Record (WQTR) that shows they have the understanding and demonstrated ability to work within the specified WPS.
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