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EN ISO 15614 – Welding Procedure Test

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Definition: EN ISO 15614 is an international standard for the qualification of welding procedures by means of a procedure test (WPQR). It specifies the test conditions, specimen requirements and assessment criteria. The aim is to ensure reproducible welding quality.

Practical relevance: The tests comprise tensile, bend, notched-bar impact and hardness testing as well as macroscopic examinations. The qualified parameter range defines the scope of validity of the WPS. The standard is central to pressure equipment construction and steel construction.

Decision-making perspectives:

  • Technical decision-makers: Safeguarding the mechanical characteristic values of the weld seam.
  • Purchasing/project management: Binding proof of qualification prior to series production.
  • Science: Investigation of heat-affected zones.
  • Insurance/law: Standard-compliant process verification.

Typical testing or verification methods: Tensile test, notched-bar impact bending test, micrograph examination.

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