Welder Qualifications & Welding Procedures
Twins Industrial Services provides end-to-end welding procedure and qualification services: from drafting WPS documents to performing PQR tests, witnessing welder qualifications, and managing records for ASME, AWS, API, and client-specific codes. We ensure welding workmanship meets specified mechanical and metallurgical requirements.
Our Welder Qualifications & Welding Procedures Services
Twins Industrial Services provides professional welding procedure and welder qualification services performed under AWS Certified Welding Inspector (CWI) oversight. Services support code-compliant welding for new construction, repairs, and alterations in accordance with ASME, AWS, API, and client-specific requirements.
Welding Procedure Specifications (WPS)
Development and documentation of Welding Procedure Specifications (WPS) for SMAW, GMAW, GTAW, FCAW, SAW, and other welding processes. WPS are prepared based on applicable codes, base materials, joint designs, and project requirements.
Procedure Qualification Records (PQR)
Performance and witnessing of Procedure Qualification Record (PQR) testing, including test coupon fabrication, required mechanical testing (tensile, bend, and impact testing where applicable), and review and documentation of test results to validate WPS parameters.
Welder Performance Qualification
Witnessing, testing, and documentation of welder performance qualifications in accordance with ASME Section IX, AWS D1.1, API, and other applicable client codes. Services include welder qualification records and certification documentation.
Procedure & Welder Re-qualification
Management of welding procedure and welder re-qualification due to changes in essential variables, welding process, position, or materials, including maintenance of current qualification records for audits and compliance.
Technical Support & Consulting
Technical welding support related to procedure qualification and welder performance, including review of welding variables, filler material selection, preheat and post-weld heat treatment requirements, and process controls to support sound welding practices and defect prevention.
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