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EN ISO 13479:2022

(Main)

Polyolefin pipes for the conveyance of fluids - Determination of resistance to crack propagation - Test method for slow crack growth on notched pipes (ISO 13479:2022)

Polyolefin pipes for the conveyance of fluids - Determination of resistance to crack propagation - Test method for slow crack growth on notched pipes (ISO 13479:2022)

This document specifies a test method for determining the resistance to slow crack growth of polyolefin pipes, expressed in terms of time to failure in a hydrostatic pressure test on a pipe with machined longitudinal notches in the outside surface. The test is applicable to pipes of wall thickness greater than 5 mm.

Rohre aus Polyolefinen für den Transport von Fluiden - Bestimmung des Widerstandes gegen Rissfortpflanzung - Prüfverfahren für langsames Risswachstum an gekerbten Rohren (Kerbprüfung) (ISO 13479:2022)

Dieses Dokument legt ein Prüfverfahren zur Bestimmung des Widerstandes gegen langsames Risswachstum von Rohren aus Polyolefinen fest, ausgedrückt als Versagenszeit bei einer Prüfung unter hydrostatischem Druck an einem Rohr mit in die Außenoberfläche eingefrästen Längskerben. Die Prüfung ist anwendbar für Rohre mit einer Wanddicke größer 5 mm.

Tubes en polyoléfines pour le transport des fluides - Détermination de la résistance à la propagation de la fissure - Méthode d’essai de la propagation lente de la fissure d’un tube entaillé (essai d’entaille) (ISO 13479:2022)

Le présent document spécifie une méthode de détermination de la résistance des tubes en polyoléfine à la propagation lente d’une fissure, exprimée en fonction du temps à la rupture, lors d’un essai de pression hydrostatique sur un tube entaillé longitudinalement par usinage sur sa surface extérieure. L’essai est applicable aux tubes ayant une épaisseur de paroi supérieure à 5 mm.

Cevi iz poliolefinov za transport tekočin - Ugotavljanje odpornosti proti širjenju razpoke - Metoda za preskus počasnega širjenja razpoke na zarezani cevi (ISO 13479:2022)

Ta dokument določa preskusno metodo za ugotavljanje odpornosti proti počasnemu širjenju razpok v poliolefinskih ceveh, ki je izražena v času za odpoved pri hidrostatičnem tlačnem preskusu na cevi s strojno izdelanimi vzdolžnimi zarezami na zunanji površini. Preskus se uporablja za cevi z debelino stene nad 5 mm.

General Information

Status
Published
Publication Date
14-Jun-2022
Withdrawal Date
30-Dec-2022
ICS
23.040.20 - Plastics pipes
Technical Committee
CEN/TC 155 - Plastics piping systems and ducting systems
Drafting Committee
CEN/TC 155/WG 12 - Systems for water supply and pressure drainage and sewerage - PE, PP (solid wall)
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
15-Jun-2022
Completion Date
15-Jun-2022
Ref Project
SIST EN ISO 13479:2022 - Polyolefin pipes for the conveyance of fluids - Determination of resistance to crack propagation - Test method for slow crack growth on notched pipes (ISO 13479:2022)

Relations

Replaces
EN ISO 13479:2009 - Polyolefin pipes for the conveyance of fluids - Determination of resistance to crack propagation - Test method for slow crack growth on notched pipes (ISO 13479:2009)
Effective Date
22-Jun-2022

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SLOVENSKI STANDARD
01-september-2022
Nadomešča:
SIST EN ISO 13479:2010
Cevi iz poliolefinov za transport tekočin - Ugotavljanje odpornosti proti širjenju
razpoke - Metoda za preskus počasnega širjenja razpoke na zarezani cevi (ISO
13479:2022)
Polyolefin pipes for the conveyance of fluids - Determination of resistance to crack
propagation - Test method for slow crack growth on notched pipes (ISO 13479:2022)
Rohre aus Polyolefinen für den Transport von Fluiden - Bestimmung des Widerstandes
gegen Rissfortpflanzung - Prüfverfahren für langsames Risswachstum an gekerbten
Rohren (Kerbprüfung) (ISO 13479:2022)
Tubes en polyoléfines pour le transport des fluides - Détermination de la résistance à la
propagation de la fissure - Méthode d’essai de la propagation lente de la fissure d’un
tube entaillé (essai d’entaille) (ISO 13479:2022)
Ta slovenski standard je istoveten z: EN ISO 13479:2022
ICS:
23.040.20 Cevi iz polimernih materialov Plastics pipes
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 13479
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2022
EUROPÄISCHE NORM
ICS 23.040.20 Supersedes EN ISO 13479:2009
English Version
Polyolefin pipes for the conveyance of fluids -
Determination of resistance to crack propagation - Test
method for slow crack growth on notched pipes (ISO
13479:2022)
Tubes en polyoléfines pour le transport des fluides - Rohre aus Polyolefinen für den Transport von Fluiden -
Détermination de la résistance à la propagation de la Bestimmung des Widerstandes gegen
fissure - Méthode d'essai de la propagation lente de la Rissfortpflanzung - Prüfverfahren für langsames
fissure d'un tube entaillé (essai d'entaille) (ISO Risswachstum an gekerbten Rohren (Kerbprüfung)
13479:2022) (ISO 13479:2022)
This European Standard was approved by CEN on 19 May 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, 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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 13479:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 13479:2022) has been prepared by Technical Committee ISO/TC 138 "Plastics
pipes, fittings and valves for the transport of fluids" in collaboration with Technical Committee CEN/TC
155 “Plastics piping systems and ducting systems” the secretariat of which is held by NEN.
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 December 2022, and conflicting national standards
shall be withdrawn at the latest by December 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.
This document supersedes EN ISO 13479:2009.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. 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 13479:2022 has been approved by CEN as EN ISO 13479:2022 without any modification.

INTERNATIONAL ISO
STANDARD 13479
Third edition
2022-06
Polyolefin pipes for the conveyance of
fluids — Determination of resistance
to crack propagation — Test method
for slow crack growth on notched
pipes
Tubes en polyoléfines pour le transport des fluides — Détermination
de la résistance à la propagation de la fissure — Méthode d'essai de la
propagation lente de la fissure d'un tube entaillé (essai d'entaille)
Reference number
ISO 13479:2022(E)
ISO 13479:2022(E)
© ISO 2022
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: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 13479:2022(E)
Contents Page
Foreword .iv
1 Scope .1
2 Normative references .1
3 Terms and definitions .1
3.1 Terms related to geometrical dimensions . 1
3.2 Terms related to machining of notches . 2
4 Symbols and abbreviation .3
4.1 Symbols . 3
4.2 Abbreviated terms . 3
5 Principle .3
6 Apparatus .4
7 Test piece preparation .4
7.1 General . 4
7.2 Test pieces . . 5
7.3 Notch location and measurement of dimensions . 5
7.4 Machining the notches . 5
7.5 Number of test pieces . 7
8 Conditioning .7
9 Procedure .7
9.1 Hydrostatic-pressure testing . 7
9.2 Ligament thickness measurement after testing . 7
10 Test report .8
Annex A (normative) Ligament thicknesses .10
Annex B (informative) Test-pressure levels for polyethylene .13
Annex C (informative) Recommended requirements for polyethylene .14
Annex D (normative) Test procedure for the accelerated notched pipe test (ANPT) for PE
100-RC pipes .15
Annex E (normative) Method of measuring notch radius .18
Bibliography .19
iii
ISO 13479:2022(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves
for the transport of fluids, Subcommittee SC 5, General properties of pipes, fittings and valves of plastic
materia
...

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CEN
EN ISO 10468:2023(Main)
Glass-reinforced thermosetting plastics (GRP) pipes - Determination of the ring creep properties under wet or dry conditions (ISO 10468:2023)
SIST EN ISO 10468:2023

This document specifies methods for determining the ring creep properties for glass-reinforced thermosetting plastics (GRP) pipes. Properties include the creep factor and the long-term creep stiffness. Testing is performed under either wet (total immersion in water) or dry conditions.
Dry creep testing is typically performed for the assessment and control of raw material consistency. Wet creep testing is typically undertaken to determine the long-term creep performance in simulated use conditions.

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