Thermoplastics pipes - Determination of tensile properties - Part 1: General test method (ISO 6259-1:2015)

The ISO 6259 series specifies a method of determining the tensile properties of thermoplastics pipes,
including the following properties:
— stress at yield;
— elongation at break.
This part of ISO 6259 is applicable to all types of thermoplastics pipe, regardless of their intended use.

Rohre aus Thermoplasten - Bestimmung der Eigenschaften im Zugversuch - Teil 1: Allgemeines Prüfverfahren (ISO 6259-1:2015)

Tubes en matières thermoplastiques - Détermination des caractéristiques en traction - Partie 1: Méthode générale d'essai (ISO 6259-1:2015)

La série ISO 6259 prescrit une méthode de détermination des caractéristiques en traction de tubes thermoplastiques,  y compris les propriétés suivantes: la contrainte au seuil d'écoulement, et l'allongement à la rupture.
L'ISO 6259-1:2015 est applicable à tous les types de tubes en matières thermoplastiques, quel que soit l'usage auquel ils sont destinés.

Plastomerne cevi - Ugotavljanje nateznih lastnosti - 1. del: Splošna preskusna metoda (ISO 6259-1:2015)

General Information

Status
Published
Public Enquiry End Date
14-Jan-2014
Publication Date
26-May-2015
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
16-Apr-2015
Due Date
21-Jun-2015
Completion Date
27-May-2015

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SLOVENSKI STANDARD
SIST EN ISO 6259-1:2015
01-julij-2015
1DGRPHãþD
SIST EN ISO 6259-1:2002
Plastomerne cevi - Ugotavljanje nateznih lastnosti - 1. del: Splošna preskusna
metoda (ISO 6259-1:2015)
Thermoplastics pipes - Determination of tensile properties - Part 1: General test method
(ISO 6259-1:2015)
Rohre aus Thermoplasten - Bestimmung der Eigenschaften im Zugversuch - Teil 1:
Allgemeines Prüfverfahren (ISO 6259-1:2015)
Tubes en matières thermoplastiques - Détermination des caractéristiques en traction -
Partie 1: Méthode générale d'essai (ISO 6259-1:2015)
Ta slovenski standard je istoveten z: EN ISO 6259-1:2015
ICS:
23.040.20 Cevi iz polimernih materialov Plastics pipes
SIST EN ISO 6259-1:2015 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

SIST EN ISO 6259-1:2015

---------------------- Page: 2 ----------------------

SIST EN ISO 6259-1:2015

EUROPEAN STANDARD
EN ISO 6259-1

NORME EUROPÉENNE

EUROPÄISCHE NORM
April 2015
ICS 23.040.20 Supersedes EN ISO 6259-1:2001
English Version
Thermoplastics pipes - Determination of tensile properties - Part
1: General test method (ISO 6259-1:2015)
Tubes en matières thermoplastiques - Détermination des Rohre aus Thermoplasten - Bestimmung der Eigenschaften
caractéristiques en traction - Partie 1: Méthode générale im Zugversuch - Teil 1: Allgemeines Prüfverfahren (ISO
d'essai (ISO 6259-1:2015) 6259-1:2015)
This European Standard was approved by CEN on 12 December 2014.

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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, 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: Avenue Marnix 17, B-1000 Brussels
© 2015 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 6259-1:2015 E
worldwide for CEN national Members.

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SIST EN ISO 6259-1:2015
EN ISO 6259-1:2015 (E)
Contents Page
Foreword .3
2

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SIST EN ISO 6259-1:2015
EN ISO 6259-1:2015 (E)
Foreword
This document (EN ISO 6259-1:2015) 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 October 2015, and conflicting national standards shall be withdrawn at
the latest by October 2015.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 6259-1:2001.
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, Former Yugoslav Republic of Macedonia, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
Endorsement notice
The text of ISO 6259-1:2015 has been approved by CEN as EN ISO 6259-1:2015 without any modification.


3

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SIST EN ISO 6259-1:2015

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SIST EN ISO 6259-1:2015
INTERNATIONAL ISO
STANDARD 6259-1
Second edition
2015-04-01
Thermoplastics pipes —
Determination of tensile properties —
Part 1:
General test method
Tubes en matières thermoplastiques — Détermination des
caractéristiques en traction —
Partie 1: Méthode générale d’essai
Reference number
ISO 6259-1:2015(E)
©
ISO 2015

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SIST EN ISO 6259-1:2015
ISO 6259-1:2015(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2015
All rights reserved. Unless otherwise specified, 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
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2015 – All rights reserved

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SIST EN ISO 6259-1:2015
ISO 6259-1:2015(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative reference . 1
3 Terms and definitions . 1
3.1 Geometric definitions . 1
3.2 Definitions related to material characteristics . 3
4 Principle . 3
5 Apparatus . 3
6 Test Pieces . 4
6.1 Type of the test piece . 4
6.2 Preparation of test pieces . 4
6.2.1 Sampling from the pipe . 4
6.2.2 Selection of test pieces . 5
6.3 Checking test pieces . 6
7 Conditioning . 6
8 Test speed . 6
9 Procedure. 6
10 Expression of results . 7
10.1 Stress at yield . 7
10.2 Elongation at break . 7
10.3 Statistical parameters . 7
10.4 Retests . 7
11 Test report . 8
Bibliography . 9
© ISO 2015 – All rights reserved iii

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SIST EN ISO 6259-1:2015
ISO 6259-1:2015(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 on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO’s adherence to the WTO principles in the Technical Barriers
to Trade (TBT), see the following URL: Foreword — Supplementary information.
The committee responsible for this document is 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 materials
and their accessories — Test methods and basic specifications.
This second edition cancels and replaces the first edition (ISO 6259-1:1997), which has been
technically revised.
ISO 6259 consists of the following parts, under the general title Thermoplastics pipes — Determination
of tensile properties:
— Part 1: General test method
— Part 2: Pipes made of unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly (vinyl chloride)
(PVC-C), and high-impact poly (vinyl chloride) (PVC-HI)
— Part 3: Polyolefin pipes
iv © ISO 2015 – All rights reserved

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SIST EN ISO 6259-1:2015
ISO 6259-1:2015(E)

Introduction
This part of ISO 6259 specifies a short-term tensile test method for determining the tensile properties
of thermoplastics pipes.
It can provide data for further testing for the purpose of research and development.
It cannot be regarded as significant for applications in which the conditions of application of the force
differ considerably with those in this test method, such as applications requiring the appropriate impact,
creep, and fatigue tests.
The tests of tensile properties are intended to be principally regarded as tests of material in the form of
pipe. The results can be useful as a material process control test but are not a quantitative assessment
of long-term pipe performance.
[1][2]
ISO 6259 has been drawn up on the basis of ISO 527.
For ease of use, it has been thought preferable to draw up a complete document that can be used for
determining the tensile properties of thermoplastics pipes. For greater detail, reference can be made to
[1][2]
ISO 527.
[1][2]
However, let it be noted that ISO 527 is applicable to materials in sheet form, whereas ISO 6259 is
applicable to materials in pipe form.
As it was considered essential to test the pipes as supplied, i.e. without reduction in thickness, difficulties
are those in the choice of test piece.
[1][2]
ISO 527 specifies test pieces a few millimetres thick, whereas the thickness of a pipe can be in
excess of 50 mm. This is why certain changes have been made on this point.
For thin-walled pipes, the test piece can be obtained by die cutting, while for thick pipes, it can be
obtained only by machining.
At present, ISO 6259 comprises three parts. The first part gives the general conditions under which
the tensile properties of thermoplastics pipes are to be determined. The other two parts provide,
respectively, particular information on the execution of tests on pipe made from different materials
(see the Foreword).
The basic specifications for the various materials are given in informative annexes in the releva
...

SLOVENSKI STANDARD
oSIST prEN ISO 6259-1:2013
01-december-2013
Plastomerne cevi - Ugotavljanje nateznih lastnosti - 1. del: Splošna preskusna
metoda (ISO/DIS 6259-1:2013)
Thermoplastics pipes - Determination of tensile properties - Part 1: General test method
(ISO/DIS 6259-1:2013)
Rohre aus Thermoplasten - Bestimmung der Eigenschaften im Zugversuch - Teil 1:
Allgemeines Prüfverfahren (ISO/DIS 6259-1:2013)
Tubes en matières thermoplastiques - Détermination des caractéristiques en traction -
Partie 1: Méthode générale d'essai (ISO/DIS 6259-1:2013)
Ta slovenski standard je istoveten z: prEN ISO 6259-1 rev
ICS:
23.040.20 Cevi iz polimernih materialov Plastics pipes
oSIST prEN ISO 6259-1:2013 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN ISO 6259-1:2013

---------------------- Page: 2 ----------------------
oSIST prEN ISO 6259-1:2013
DRAFT INTERNATIONAL STANDARD
ISO/DIS 6259-1
ISO/TC 138/SC 5 Secretariat: NEN
Voting begins on: Voting terminates on:
2013-09-26 2014-02-26
Thermoplastics pipes — Determination of tensile
properties —
Part 1:
General test method
Tubes en matières thermoplastiques — Détermination des caractéristiques en traction —
Partie 1: Méthode générale d’essai
[Revision of first edition (ISO 6259-1:1997)]
ICS: 23.040.20
ISO/CEN PARALLEL PROCESSING
This draft has been developed within the International Organization for
Standardization (ISO), and processed under the ISO lead mode of collaboration
as defined in the Vienna Agreement.
This draft is hereby submitted to the ISO member bodies and to the CEN member
bodies for a parallel five month enquiry.
Should this draft be accepted, a final draft, established on the basis of comments
received, will be submitted to a parallel two-month approval vote in ISO and
THIS DOCUMENT IS A DRAFT CIRCULATED
formal vote in CEN.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
To expedite distribution, this document is circulated as received from the
IN ADDITION TO THEIR EVALUATION AS
committee secretariat. ISO Central Secretariat work of editing and text
BEING ACCEPTABLE FOR INDUSTRIAL,
composition will be undertaken at publication stage.
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 6259-1:2013(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
©
PROVIDE SUPPORTING DOCUMENTATION. ISO 2013

---------------------- Page: 3 ----------------------
oSIST prEN ISO 6259-1:2013
ISO/DIS 6259-1:2013(E)

Copyright notice
This ISO document is a Draft International Standard and is copyright-protected by ISO. Except as
permitted under the applicable laws of the user’s country, neither this ISO draft nor any extract
from it may be reproduced, stored in a retrieval system or transmitted in any form or by any means,
electronic, photocopying, recording or otherwise, without prior written permission being secured.
Requests for permission to reproduce should be addressed to either ISO at the address below or ISO’s
member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Reproduction may be subject to royalty payments or a licensing agreement.
Violators may be prosecuted.
ii © ISO 2013 – All rights reserved

---------------------- Page: 4 ----------------------
oSIST prEN ISO 6259-1:2013
ISO/DIS 6259-1:2013
Contents                                                                    Page
Foreword . iv
Introduction . v
1 Scope . 1
2 Normative reference . 1
3 Terms and definitions . 2
4 Principle . 3
5 Apparatus . 3
6 Test Pieces . 4
7 Conditioning . 6
8 Test speed . 6
9 Procedure . 7
10 Expression of results . 7
11 Test report . 8
Bibliography . 9

© ISO 2011 – All rights reserved iii

---------------------- Page: 5 ----------------------
oSIST prEN ISO 6259-1:2013
ISO/DIS 6259-1:2013
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.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
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.
ISO 6259-1 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 materials and
their accessories - Test methods and basic specifications.
ISO 6259 consists of the following parts, under the general title Thermoplastics pipes — Determination of
tensile properties:
— Part 1: General test method
— Part 2: Pipes made of unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C)
and high-impact poly(vinyl chloride) (PVC-HI)
— Part 3: Polyolefin pipes
This second edition cancels and replaces the first edition (ISO 6259-1:1997), and has been technically revised.
Attention has been drawn to ISO 7500-1:2004 for verification and calibration of the load measuring system. A
note has been added concerning ‘pre-stress’ of the test specimen.
iv © ISO 2011 – All rights reserved

---------------------- Page: 6 ----------------------
oSIST prEN ISO 6259-1:2013
ISO/DIS 6259-1:2013
Introduction

This part of ISO 6259 specifies a short-term tensile test method for determining the tensile properties of
thermoplastics pipes.
It can provide data for further testing for the purpose of research and development.
It cannot be regarded as significant for applications in which the conditions of application of the force differ
considerably with those in this test method, such applications requiring the appropriate impact, creep and
fatigue tests.
The tests of tensile properties should be principally regarded as tests of material in the form of pipe. The
results can be useful as a material process control test, but are not a quantitative assessment of long term
pipe performance.
ISO 6259 has been drawn up on the basis of ISO 527.
For ease of use, it has been thought preferable to draw up a complete document that can be used for
determining the tensile properties of thermoplastics pipes. For greater detail, reference should be made to
ISO 527.
It should however be noted that ISO 527 is applicable to materials in sheet form, whereas ISO 6259 is
applicable to materials in pipe form.
As it was considered essential to test the pipes as supplied, i.e. without reduction in thickness, difficulties are
those in the choice of test piece.
ISO 527 specifies test pieces a few millimetres thick, whereas the thickness of a pipe can be in excess of 50
mm. This is why certain changes have been made on this point.
For thin-walled pipes, the test piece can be obtained by die cutting, while for thick pipes, it can be obtained
only by machining.
At present, ISO 6259 comprises three parts. The first part gives the general conditions under which the tensile
properties of thermoplastics pipes are to be determined. The other two parts provide, respectively, particular
information on the execution of tests on pipe made from different materials (see the foreword).
The basic specifications for the various materials are given in informative annexes in the relevant parts.
© ISO 2011 – All rights reserved v

---------------------- Page: 7 ----------------------
oSIST prEN ISO 6259-1:2013

---------------------- Page: 8 ----------------------
oSIST prEN ISO 6259-1:2013
DRAFT INTERNATIONAL STANDARD ISO/DIS 6259-1

Thermoplastics pipes – Determination of tensile properties – Part 1:
General test method

1 Scope

This International Standard specifies a method of determining the tensile properties of thermoplastics pipes,
including in particular the following properties:
— stress at yield;
— elongation at break.
This part of ISO 6259 is applicable to all types of thermoplastics pipe, regardless of their intended use.

2 Normative reference
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.

ISO 527-1:2012, Plastics - Determination of tensile properties - Part 1: General principles
ISO 1167-1, Thermoplastics pipes, fittings and assemblies for the conveyance of fluids — Determination of
the resistance to internal pressure — Part 1: General method (ISO 1167-1:2006)
ISO 2602, Statistical interpretation of test results — Estimation of the mean — Confidence interval
ISO 5893:2002, Rubber and plastics test equipment — Tensile, flexural and compression types (constant rate
of traverse) — Description
ISO 6259-2:1997, Thermoplastics pipes — Determination of tensile properties — Part 2: Pipes made of
unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) and high-impact poly(vinyl
chloride) (PVC-HI)
ISO/CD 6259-3:2013, Thermoplastics pipes — Determination of tensile properties — Part 3: Polyolefin pipes
ISO 7500-1:2004, Metallic materials — Verification of static uniaxial testing machines — Part 1:
Tension/compression testing machines — Verification and calibration of the force-measuring system





© ISO 2011 – All rights reserved 1

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oSIST prEN ISO 6259-1:2013
ISO/DIS 6259-1:2013
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 Geometric definitions
3.1.1
nominal size DN/OD
numerical designation of the size of a component, other than a component designated by thread size, which is
a convenient round number, approximately equal to the manufacturing dimension, related to the outside
diameter
Note 1 to entry: It is expressed in millimetres (mm).
3.1.2
nominal outside diameter
d
n
specified outside diameter, assigned to a nominal size DN/OD
Note 1 to entry: It is expressed in millimetres (mm).
3.1.3
nominal wall thickness
e
n
numerical designation of the wall thickness of a component, which is a conve
...

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