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EN 13134 – Brazing Procedure Qualification

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Definition: EN 13134 is a European standard for the qualification of brazing procedures for load-bearing steel components. It describes requirements for specimen preparation, testing and ranges of validity. The aim is to demonstrate reproducible brazing quality.

Practical relevance: The standard requires mechanical testing, metallographic examinations and visual inspections. Ranges of validity relate to material groups, filler metals, temperature control and joint gap. It is relevant for safety-critical designs.

Decision-making perspectives:

  • Technical decision-makers: Ensuring qualified brazing processes.
  • Purchasing/project management: Requiring standard-compliant procedure qualification.
  • Science: Analysis of diffusion zones and microstructural changes.
  • Insurance/law: Documented qualification record.

Typical testing or verification methods: Tensile/shear test, micrograph examination, visual inspection.

FAQ:

  • What does EN 13134 apply to?
  • The qualification of brazing procedures on load-bearing steel components.
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