is the 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 and standards make them mandatory. Pre & Tec Sdn Bhd is licensed to provide the documents to clients who requires the WPS. The purpose of the document is to guide welders with sufficient details to enable any competent person to apply the information and produce a weld to the accepted procedures so that repeatable and trusted welding techniques are used. Our WPS has been verified by Bureau Veritas (BV) and endorsed by Malaysian Department of Occupational Safety and Health (DOSH)

EN ISO 15609-1 (formally EN 288 Part 2) European Standard For Welding Procedure Specifications

EN ISO 15609 Defines the contents of a Welding Procedure Specification in the form of a list of information that should be recorded.  For some applications it may be necessary to supplement or reduce the list. For example only in the case of a procedure requiring heat input control would there be a necessity to quote travel speed or run-out length for manual processes.

ASME IX American Boiler and Pressure Vessel Code

QW 250 Lists the variables for each welding process, all the variables stated should be addressed. The range permitted by the WPS is dictated by the PQR or PQR’s used to qualify it.