Applied Technical Services tests WPS welder qualifications for clients needing welders capable of abiding by specific standards.
What is a WPS?
A WPS or Welding Procedure Specification is a document that details the production standards and requirements for the welding process. The document serves as a guideline for welders and includes specific details designed to produce welds with the desired mechanical. A WPS contains information on the following.
General Information
- Name of the company and developer
- Welding procedure specification number
- Reference the Procedure Qualification Record
- Date of the last revision
- Welding type and processes
Joints
Provide information on the welding joint and
include sketches or images to simplify the process for the reader.
Base and Filler Metals
Provide information on the base and filler metals, including the metalโs thickness and the type of weld.
Additional Information
Include information regarding the pre- and post-weld treatment processes, including the details about the gas and the welding positions.
Electrical Characteristics
Include information about each weld pass.
- Process
- Classification and diameter of the filler metal
- Current type and polarity
- Amp’s range
- Speed range of energy
- Power range of energy
- Additional electrical specifications
Technique
- Weave or string bead
- Gas cup or nozzle size
- Cleaning procedures
- Back gouging method
- Oscillation
- Single or multi pass (per side)
- Multiple or single electrodes
- Electrode spacing
- Peening
Procedure Qualifications Records
Procedure Qualification Records document the procedures and parameters followed during the welding process. A PQR serves as a checklist for contractors, inspectors, and manufacturers, allowing them to ensure that welders follow the procedures as written.
About Applied Technical Services
ATS has provided quality inspection, testing, training, and consulting engineering services for domestic and international companies in various industries since our founding in 1967. Our dedication to quality service has earned us the title of an ISO 9001:2015-registered management system and several internationally recognized certifications and accreditations.
Please complete our contact form or call us at +1 (888) 287-5227 for more information on our services regarding WPS welder qualifications.