NF ISO 21601

NF ISO 21601

June 2013
Standard Current

Corrosion of metals and alloys - Guidelines for assessing the significance of stress corrosion cracks detected in service

ISO 21601:2013 provides guidelines on the appropriate steps to take when a stress corrosion crack has been detected in service and an assessment has to be made of the implications for structural integrity. Such an evaluation should be made in the context of the perceived consequences of failure using appropriate risk-based management methodologies. Since this is application-specific, it is beyond the scope of ISO 21601:2013.

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Main informations

Collections

National standards and national normative documents

Publication date

June 2013

Number of pages

27 p.

Reference

NF ISO 21601

ICS Codes

77.060   Corrosion of metals

Classification index

A05-318

Print number

1 - 21/05/2013

International kinship

ISO 21601:2013
Sumary
Corrosion of metals and alloys - Guidelines for assessing the significance of stress corrosion cracks detected in service

ISO 21601:2013 provides guidelines on the appropriate steps to take when a stress corrosion crack has been detected in service and an assessment has to be made of the implications for structural integrity.

Such an evaluation should be made in the context of the perceived consequences of failure using appropriate risk-based management methodologies. Since this is application-specific, it is beyond the scope of ISO 21601:2013.

Table of contents
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  • Avant-propos
    iv
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Principe
    1
  • 4 Caractérisation de la nature et de l'origine de la fissure
    2
  • 5 Définition des conditions de service et de l'historique du système
    2
  • 5.1 Contraintes
    2
  • 5.2 Environnement de service
    4
  • 6 Caractéristiques du matériau
    5
  • 6.1 Écrouissage
    5
  • 6.2 Soudage
    5
  • 6.3 Vieillissement
    6
  • 6.4 Orientation microstructurale
    6
  • 7 Prévision de KISCC et des vitesses de propagation de fissure
    6
  • 7.1 KISCC
    6
  • 7.2 Prévision des vitesses de propagation en dessous de KISCC
    10
  • 7.3 Vitesse de propagation de fissure au-dessus de KISCC
    11
  • 7.4 Fissures non propageantes
    16
  • 7.5 Problèmes probabilistes
    16
  • 8 Évaluation de l'intégrité structurelle
    17
  • 9 Modification des conditions de service pour limiter la propagation des fissures
    20
  • 9.1 Variation de température
    20
  • 9.2 Réduction des contraintes en service
    20
  • 9.3 Modification ou contrôle plus rigoureux de l'environnement
    20
  • Bibliographie
    21
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