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WPS and Welder Qualification

We approve the welding procedure specification (WPS) applied to steel bridges, railways, steel structures, and construction sites, as well as welders/welding operators according to internationally accredited standards requested by clients.
Applicable code
- ASME Sec IX : Welding, Brazing, and Fusing Qualifications
- AWS D 1.1 : Structural Welding Code - Steel
- EN ISO 15614 : Specification and qualification of welding procedures for metallic materials - Welding procedure test
- JIS B 8285 : Welding Procedure Qualification Test For Pressure Vessels
WPS approval procedure

Welder qualification procedure
