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SLOVENSKI STANDARD
01-april-2023
Plinske jeklenke - Konstruiranje, izdelava in preskušanje ponovno polnljivih
plinskih jeklenk in velikih jeklenk iz celega iz jekla - 4. del: Nerjavne jeklenke iz
jekla z vrednostjo Rm, manjšo od 1100 MPa (ISO 9809-4:2021)
Gas cylinders - Design, construction and testing of refillable seamless steel gas cylinders
and tubes - Part 4: Stainless steel cylinders with an Rm value of less than 1 100 MPa
(ISO 9809-4:2021)
Gasflaschen - Auslegung, Herstellung und Prüfung von wiederbefüllbaren nahtlosen
Gasflaschen aus Stahl - Teil 4: Flaschen aus Edelstahl mit einem Rm-Wert von weniger
als 1 100 MPa (ISO 9809-4:2021)
Bouteilles à gaz - Conception, construction et essais des bouteilles à gaz et des tubes
rechargeables en acier sans soudure - Partie 4: Bouteilles en acier inoxydable avec une
valeur Rm inférieure à 1 100 MPa (ISO 9809-4:2021)
Ta slovenski standard je istoveten z: EN ISO 9809-4:2022
ICS:
23.020.35 Plinske jeklenke Gas cylinders
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 9809-4
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2022
EUROPÄISCHE NORM
ICS 23.020.35
English Version
Gas cylinders - Design, construction and testing of
refillable seamless steel gas cylinders and tubes - Part 4:
Stainless steel cylinders with an Rm value of less than 1
100 MPa (ISO 9809-4:2021)
Bouteilles à gaz - Conception, construction et essais des Gasflaschen - Auslegung, Herstellung und Prüfung von
bouteilles à gaz et des tubes rechargeables en acier wiederbefüllbaren nahtlosen Gasflaschen aus Stahl -
sans soudure - Partie 4: Bouteilles en acier inoxydable Teil 4: Flaschen aus Edelstahl mit einem Rm-Wert von
ayant une valeur de Rm inférieure à 1 100 MPa (ISO weniger als 1 100 MPa (ISO 9809-4:2021)
9809-4:2021)
This European Standard was approved by CEN on 11 December 2022.
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, Türkiye 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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 9809-4:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
The text of ISO 9809-4:2021 has been prepared by Technical Committee ISO/TC 58 "Gas cylinders” of
the International Organization for Standardization (ISO) and has been taken over as EN ISO 9809-
4:2022 by Technical Committee CEN/TC 23 “Transportable gas cylinders” 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 June 2023, and conflicting national standards shall be
withdrawn at the latest by June 2023.
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.
This document has been prepared under a Standardization Request given to CEN by the European
Commission and the European Free Trade Association.
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, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 9809-4:2021 has been approved by CEN as EN ISO 9809-4:2022 without any
modification.
INTERNATIONAL ISO
STANDARD 9809-4
Second edition
2021-11
Gas cylinders — Design, construction
and testing of refillable seamless steel
gas cylinders and tubes —
Part 4:
Stainless steel cylinders with an R
m
value of less than 1 100 MPa
Bouteilles à gaz — Conception, construction et essais des bouteilles à
gaz et des tubes rechargeables en acier sans soudure —
Partie 4: Bouteilles en acier inoxydable avec une valeur R
m
inférieure à 1 100 MPa
Reference number
ISO 9809-4:2021(E)
ISO 9809-4:2021(E)
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: [email protected]
Website: www.iso.org
Published in Switzerland
ii
ISO 9809-4:2021(E)
Contents Page
Foreword .v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 3
5 Inspection and testing .4
6 Materials . 4
6.1 General requirements . 4
6.2 Controls on chemical composition . 5
6.3 Heat treatment. 5
6.4 Cold working or cryoforming . 5
6.5 Failure to meet test requirements . 6
7 Design . 6
7.1 General requirements . 6
7.2 Design of cylindrical shell thickness . 6
7.3 Design of convex ends (heads and bases) . 7
7.4 Design of the concave base ends . 8
7.5 Neck design . 9
7.6 Foot rings . . 9
7.7 Neck rings . 9
7.8 Design drawing . 10
8 Construction and workmanship .10
8.1 General . 10
8.2 Wall thickness . 10
8.3 Surface imperfections . 10
8.4 Ultrasonic examination . 10
8.5 Out-of-roundness . 11
8.6 Mean diameter . 11
8.7 Straightness . 11
8.8 Verticality and stability . 11
8.9 Neck threads .12
9 Type approval procedure .12
9.1 General requirements . 12
9.2 Prototype test . 13
9.2.1 General requirements . 13
9.2.2 Pressure cycling test . 14
9.2.3 Base check . 14
9.2.4 Torque test for taper thread only .
...