International Standard
ISO 11970:2025
Specification and qualification of welding procedures for production welding of steel and nickel-base castings
Reference number
ISO 11970:2025
Edition 3
2025-11
© ISO 2026
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Publicado (Edición 3, 2025)

ISO 11970:2025

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Resumen

This document specifies how a welding procedure specification (WPS) for production welding of steel castings is qualified. Tests are intended to be carried out in accordance with this document, unless additional tests are specified by the purchaser or by agreement between the contracting parties.

This document defines the conditions for the execution of welding procedure qualification tests and the limits of validity of a qualified welding procedure for all practical welding operations within the range of essential variables.

This document applies to the arc welding of steel castings. The principles of this document can be applied to other fusion welding processes subject to agreement between the contracting parties.

Informaciones generales

  • Estado
     : Publicado
    Fecha de publicación
     : 2025-11
    Etapa
    : Norma Internacional publicada [60.60]
  • Edición
     : 3
    Número de páginas
     : 17
  • Comité Técnico :
    ISO/TC 17/SC 11
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