abstract:A Welding Procedure Specification (WPS) is a formal written document describing welding procedures, which provides direction to the welder or welding operators for making sound and quality production welds as per the code requirements . The purpose of the document is to guide welders to the accepted procedures so that repeatable and trusted welding techniques are used.
Steelweldingprocedurequalificationunder the pressureofJB / T 4708-2000 determine the product of welding procedure qualification program, to complete the projectwelding procedure specification.