EN ISO 18229:2021
(Main)Essential technical requirements for mechanical components and metallic structures foreseen for Generation IV nuclear reactors (ISO 18229:2018)
Essential technical requirements for mechanical components and metallic structures foreseen for Generation IV nuclear reactors (ISO 18229:2018)
ISO 18229:2018 defines the essential technical requirements that are addressed in the process of design and construction of Generation IV (GEN IV) nuclear reactors. It does not address operation, maintenance and in-service inspection of reactors.
Six reactor concepts are considered for GEN IV: the sodium fast reactor, the lead fast reactor, the gas fast reactor, the very high temperature reactor, the supercritical water reactor and the molten salt reactor.
Annex A details the main characteristics for the different concepts.
The scope of application of this document is limited to mechanical components related to nuclear safety and to the prevention of the release of radioactive materials
? that are considered to be important in terms of nuclear safety and operability,
? that play a role in ensuring leaktightness, partitioning, guiding, securing and supporting, and
? that contain and/or are in contact with fluids (such as vessels, pumps, valves, pipes, bellows, box structures, heat exchangers, handling and driving mechanisms).
Grundsätzliche technische Anforderungen an mechanische Komponenten und metallische Strukturen vorgesehen für Kernkraftwerke der Generation IV (ISO 18229:2018)
Exigences techniques essentielles pour les composants mécaniques et les structures métalliques destinés aux réacteurs nucléaires de quatrième génération (ISO 18229:2018)
Le présent document définit les exigences techniques essentielles qui sont traitées lors du processus de conception et de construction des réacteurs nucléaires de quatrième génération («GEN IV»). Il ne couvre ni l'exploitation, ni la maintenance, ni l'inspection en service des réacteurs.
La quatrième génération couvre six concepts de réacteurs: les réacteurs à neutrons rapides à caloporteur sodium, les réacteurs à neutrons rapides à caloporteur plomb, les réacteurs à neutrons rapides à caloporteur gaz, les réacteurs à très haute température, les réacteurs à eau supercritique et les réacteurs à sels fondus.
L'Annexe A décrit les principales caractéristiques des différents concepts.
Le domaine d'application du présent document se limite aux composants mécaniques en lien avec la sûreté nucléaire et la prévention de l'émission de matières radioactives:
— qui sont jugés importants sur le plan de la sûreté ou de la disponibilité;
— qui ont une fonction d'étanchéité, de cloisonnement, de guidage, de maintien ou de supportage;
— qui contiennent et/ou sont en contact avec des fluides (par exemple récipients, pompes, robinets-vannes, tuyauteries, soufflets, structures caissonnées, échangeurs et mécanismes de contrôle et de manutention).
Bistvene tehnične zahteve za mehanske komponente in kovinske konstrukcije, namenjene četrti generaciji jedrskih reaktorjev (ISO 18229:2018)
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
01-oktober-2021
Bistvene tehnične zahteve za mehanske komponente in kovinske konstrukcije,
namenjene četrti generaciji jedrskih reaktorjev (ISO 18229:2018)
Essential technical requirements for mechanical components and metallic structures
foreseen for Generation IV nuclear reactors (ISO 18229:2018)
Grundsätzliche technische Anforderungen an mechanische Komponenten und
metallische Strukturen vorgesehen für Kernkraftwerke der Generation IV (ISO
18229:2018)
Exigences techniques essentielles pour les composants mécaniques et les structures
métalliques destinés aux réacteurs nucléaires de quatrième génération (ISO
18229:2018)
Ta slovenski standard je istoveten z: EN ISO 18229:2021
ICS:
27.120.10 Reaktorska tehnika Reactor engineering
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 18229
EUROPEAN STANDARD
NORME EUROPÉENNE
August 2021
EUROPÄISCHE NORM
ICS 27.120.10
English Version
Essential technical requirements for mechanical
components and metallic structures foreseen for
Generation IV nuclear reactors (ISO 18229:2018)
Exigences techniques essentielles pour les composants Grundsätzliche technische Anforderungen an
mécaniques et les structures métalliques destinés aux mechanische Komponenten und metallische
réacteurs nucléaires de quatrième génération (ISO Strukturen vorgesehen für Kernkraftwerke der
18229:2018) Generation IV (ISO 18229:2018)
This European Standard was approved by CEN on 25 July 2021.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 18229:2021 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
The text of ISO 18229:2018 has been prepared by Technical Committee ISO/TC 85 "Nuclear energy,
nuclear technologies, and radiological protection” of the International Organization for Standardization
(ISO) and has been taken over as EN ISO 18229:2021 by Technical Committee CEN/TC 430 “Nuclear
energy, nuclear technologies, and radiological protection” the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by February 2022, and conflicting national standards
shall be withdrawn at the latest by February 2022.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 18229:2018 has been approved by CEN as EN ISO 18229:2021 without any modification.
INTERNATIONAL ISO
STANDARD 18229
First edition
2018-02
Essential technical requirements for
mechanical components and metallic
structures foreseen for Generation IV
nuclear reactors
Exigences techniques essentielles pour les composants mécaniques et
les structures métalliques prévus pour les réacteurs nucléaires de la
quatrième génération
Reference number
ISO 18229:2018(E)
©
ISO 2018
ISO 18229:2018(E)
© ISO 2018
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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ii © ISO 2018 – All rights reserved
ISO 18229:2018(E)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Units of measurements . 4
5 Management system . 4
6 Technical requirements . 4
6.1 General . 4
6.2 Materials . 4
6.2.1 General. 4
6.2.2 Specification of materials . 5
6.2.3 Material conformity declaration . 7
6.3 Design . 7
6.3.1 General. 7
6.3.2 Damages . 7
6.3.3 Considerations for operating conditions and load combinations . 8
6.3.4 Criteria levels . 9
6.3.5 Corrosion, erosion, erosion-corrosion, wear .11
6.3.6 Attachments .11
6.3.7 Sudden variation in the mechanical properties at junctions .11
6.3.8 Nuclear cleanliness requirements .11
6.3.9 Thermal ageing.12
6.3.10 Irradiation .12
6.3.11 Design methods .12
6.4 Fabrication .13
6.4.1 General.13
6.4.2 Identification of materials/parts .14
6.4.3 Preparation of parts .14
6.4.4 Welding .14
6.4.5 Forming and dimension tolerances .16
6.4.6 Cleaning .17
6.4.7 Heat treatment.17
6.5 Tests and examination methods .17
6.5.1 General.17
6.5.2 Methods .17
6.5.3 Procedures .17
6.5.4 Personnel qualification .18
6.6 Final inspection and testing .18
6.6.1 Final inspection .18
6.6.2 Final pressure test .18
6.7 Marking/labelling .18
7 Documentation .19
8 Conformity assessment .
...
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