EN 13445-8:2021
(Main)Unfired pressure vessels - Part 8: Additional requirements for pressure vessels of aluminium and aluminium alloys
Unfired pressure vessels - Part 8: Additional requirements for pressure vessels of aluminium and aluminium alloys
This document specifies requirements for unfired pressure vessels and their parts made of aluminium and aluminium alloys in addition to the general requirements for unfired pressure vessels under EN 13445:2019 Parts 1 to 5. This document specifies unfired pressure vessels for loads up to 500 full cycles.
NOTE Cast materials are not included in this version. Details regarding cast materials will be subject to an amendment to or a revision of this document.
Unbefeuerte Druckbehälter - Teil 8: Zusätzliche Anforderungen an Druckbehälter aus Aluminium und Aluminiumlegierungen
Dieses Dokument legt zusätzlich zu den allgemeinen Anforderungen an unbefeuerte Druckbehälter nach EN 13445:2021, Teile 1 bis 5, Anforderungen an aus Aluminium und Aluminiumlegierungen hergestellte unbefeuerte Druckbehälter und deren Bauteile fest. Dieser Teil der Europäischen Norm gilt für unbefeuerte Druckbehälter für Druckbelastungen bis zu 500 vollen Lastzyklen.
ANMERKUNG Gusswerkstoffe sind in der vorliegenden Fassung nicht enthalten. Angaben zu Gusswerkstoffen werden in einer Ergänzung bzw. Überarbeitung dieser Norm aufgenommen.
Récipients sous pression non soumis à la flamme - Partie 8: Exigences complémentaires pour les récipients sous pression en aluminium et alliages d'aluminium
Nekurjene tlačne posode - 8. del: Dodatne zahteve za tlačne posode iz aluminija in aluminijevih zlitin
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-september-2021
Nadomešča:
SIST EN 13445-8:2014
SIST EN 13445-8:2014/A1:2015
Nekurjene tlačne posode - 8. del: Dodatne zahteve za tlačne posode iz aluminija in
aluminijevih zlitin
Unfired pressure vessels - Part 8: Additional requirements for pressure vessels of
aluminium and aluminium alloys
Unbefeuerte Druckbehälter - Teil 8: Zusätzliche Anforderungen an Druckbehälter aus
Aluminium und Aluminiumlegierungen
Récipients sous pression non soumis à la flamme - Partie 8: Exigences complémentaires
pour les récipients sous pression en aluminium et alliages d'aluminium
Ta slovenski standard je istoveten z: EN 13445-8:2021
ICS:
23.020.32 Tlačne posode Pressure vessels
77.150.10 Aluminijski izdelki Aluminium products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 13445-8
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2021
EUROPÄISCHE NORM
ICS 23.020.30 Supersedes EN 13445-8:2014
English Version
Unfired pressure vessels - Part 8: Additional requirements
for pressure vessels of aluminium and aluminium alloys
Récipients sous pression non soumis à la flamme - Unbefeuerte Druckbehälter - Teil 8: Zusätzliche
Partie 8: Exigences complémentaires pour les Anforderungen an Druckbehälter aus Aluminium und
récipients sous pression en aluminium et alliages Aluminiumlegierungen
d'aluminium
This European Standard was approved by CEN on 24 February 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 13445-8:2021 E
worldwide for CEN national Members.
Issue 1 (2021-05)
Contents
Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms, definitions, symbols and units . 7
4 General . 7
5 Materials . 7
5.1 General . 7
5.2 Elongation after fracture . 7
5.3 Prevention of brittle fracture . 7
5.4 Lamellar tearing . 8
5.5 Chemical composition . 8
5.6 Material grouping system . 8
6 Design . 9
6.1 General . 9
6.2 Design temperature and properties. 9
6.3 Time-independent nominal design stress . 9
6.4 Thick walled, small bore piping for shells .10
6.5 Fatigue design .10
6.6 Lapped joints, joggle joints, permanent backing strips .10
6.6.1 General .10
6.6.2 Lapped joints .10
6.6.3 Joggle joints .11
6.6.4 Joints with permanent backing strips .11
6.7 Flat ends .11
6.8 Design by experiment .12
6.9 Port-hole-extruded tubes .12
7 Manufacture .12
7.1 General .12
7.2 Materials .12
7.3 Tolerances .12
7.4 Welding procedure specification (WPS) .13
7.5 Qualification of welding procedure specifications (WPQR) .13
7.6 Qualification of welders and welding operators .13
7.7 Joint preparation .13
7.8 Preheat .14
7.9 Production test, reference criteria .14
7.10 Extent of testing .15
7.11 Performance of test and acceptance criteria .15
7.12 Forming procedures .15
7.13 Heat treatment after forming .16
7.14 Sampling of formed products .17
Issue 1 (2021-05)
7.15 Tests . 18
7.15.1 Base material . 18
7.15.2 Butt welds . 18
7.16 Post weld heat treatment (PWHT) . 18
8 Inspection and testing . 18
8.1 General . 18
8.2 Non-destructive testing of welded joints . 19
8.2.1 General . 19
8.2.2 Demonstration of satisfactory experience for testing group 2 . 20
8.2.3 Symbols . 20
8.3 Determination of extent of non destructive testing . 20
8.4 Applicable non-destructive testing techniques . 23
8.4.1 NDT methods . 23
8.4.2 Acceptance criteria for radiographic testing (RT) . 24
8.4.3 Acceptance criteria for visual and surface penetrant testing . 24
8.4.4 Acceptance criteria for penetrant testing (PT) . 25
8.5 Selection of non-destructive testing methods for internal imperfections. 25
8.6 Standard hydrostatic test . 26
8.7 Pneumatic testing . 26
9 Inspection and testing of serially produced pressure vessels — Model approval . 26
9.1 General . 26
9.2 Inspection and testing of pressure vessels subject to cyclic loads . 26
Annex A (normative) Allowable design strength values . 27
A.1 General . 27
A.2 Extruded rod/bar, tube and profile . 27
A.3 Cold drawn rod/bar and tube . 29
A.4 Forgings . 30
Annex Y (informative) History of EN 13445-8 . 34
Y.1 Differences between EN 13445-8:2014 and EN 13445-8:2021 . 34
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of Directive 2014/68/EU aimed to be covered . 35
Bibliography . 37
Issue 1 (2021-05)
European foreword
This document (EN 13445-8:2021) has been prepared by Technical Committee CEN/TC 54 “Unfired pressure
vessels”, the secretariat of which is held by BSI.
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 November 2021, and c
...
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