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SLOVENSKI STANDARD
01-marec-2023
Nadomešča:
SIST EN ISO 10447:2015
Uporovno varjenje - Preskušanje zvarnih spojev - Preskus luščenja in dletenja
uporovnih točkovnih in bradavičnih zvarnih spojev (ISO 10447:2022)
Resistance welding - Testing of welds - Peel and chisel testing of resistance spot and
projection welds (ISO 10447:2022)
Widerstandsschweißen - Prüfung von Schweißverbindungen - Schäl- und Meißelprüfung
von Widerstandspunkt- und Buckelschweißverbindungen (ISO 10447:2022)
Soudage par résistance - Essais des soudures - Essais de pelage et de déboutonnage
au burin appliqués aux soudures par résistance par points et par bossages (ISO
10447:2022)
Ta slovenski standard je istoveten z: EN ISO 10447:2022
ICS:
25.160.40 Varjeni spoji in vari Welded joints and welds
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 10447
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2022
EUROPÄISCHE NORM
ICS 25.160.40 Supersedes EN ISO 10447:2015
English Version
Resistance welding - Testing of welds - Peel and chisel
testing of resistance spot and projection welds (ISO
10447:2022)
Soudage par résistance - Essais des soudures - Essais Widerstandsschweißen - Prüfung von
de pelage et de déboutonnage au burin appliqués aux Schweißverbindungen - Schäl- und Meißelprüfung von
soudures par résistance par points et par bossages Widerstandspunkt- und Buckelschweißverbindungen
(ISO 10447:2022) (ISO 10447:2022)
This European Standard was approved by CEN on 27 November 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 10447:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 10447:2022) has been prepared by Technical Committee ISO/TC 44 "Welding
and allied processes" in collaboration with Technical Committee CEN/TC 121 “Welding and allied
processes” the secretariat of which is held by DIN.
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 supersedes EN ISO 10447:2015.
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, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 10447:2022 has been approved by CEN as EN ISO 10447:2022 without any modification.
INTERNATIONAL ISO
STANDARD 10447
Fourth edition
2022-11
Resistance welding — Testing of welds
— Peel and chisel testing of resistance
spot and projection welds
Soudage par résistance — Essais des soudures — Essais de pelage et
de déboutonnage au burin appliqués aux soudures par résistance par
points et par bossages
Reference number
ISO 10447:2022(E)
ISO 10447:2022(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: [email protected]
Website: www.iso.org
Published in Switzerland
ii
ISO 10447:2022(E)
Contents Page
Foreword .iv
1 S c op e . 1
2 Nor m at i ve r ef er enc e s . 1
3 Terms and definitions . 1
4 Te s t s p e c i men s . 1
Test procedure .1
5 .1 C h i s el t e s t . 1
5.2 P eel test . 4
5.3 M easurement of weld size and recording failure modes . 6
6 Te s t r ep or t . 7
Bibliography . 8
iii
ISO 10447:2022(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 44, Welding and allied processes,
Subcommittee SC 6, Resistance welding and allied mechanical joining, in collaboration with the European
Committee for Standardization (CEN) Technical Committee CEN/TC 121, Welding and allied processes,
in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).
This fourth edition cancels and replaces the third edition (ISO 10447:2015), which has been technically
revised.
The main changes are as follows:
— the terms and definition given in ISO 17677-1 apply.
Any feedback or questions on this document should be directed to the user’s national standards
body. A complete listing of these bodies can be found at www.iso.org/members.html. Official
interpretations of ISO/TC 44 documents, where they exist, are available from this page:
https://committee.iso.org/sites/tc44/home/interpretation.html.
iv
INTERNATIONAL STANDARD ISO 10447:2022(E)
Resistance welding — Testing of welds — Peel and chisel
testing of resistance spot and projection welds
1 S cope
This document specifies the procedures and recommended tooling to be used for peel and chisel testing
of resistance spot and embossed projection welds. This document applies to welds made in two or more
sheets in the thickness range of 0,5 mm to 3,0 mm.
The aim of these tests is to determine:
— weld size and failure mode when welds are destructively tested;
— verification of welds by non-destructive chisel tests.
NOTE The preferred method of peel testing seam welds (mechanized peel testing) is covered in ISO 14270.
2 Normat ive references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 17677-1, Resistance welding — Vocabulary — Part 1: Spot, projection and seam welding
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 17677-1 apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
4 Test specimens
When used for quality control in production, tests shall be conducted on actual components or
specimens taken from actual components.
When used for setting welding parameters, where it is not practical to use actual components, separate
welded test pieces may be used. The test pieces shall be produced from the same material used for
the component and welded under conditions adapted to produce the same required weld quality. The
effects of different shunt or impedance conditions should be taken into account when producing the
test pieces by inserting sufficient material in the throat of the machine to approximate the magnetic
effect of the workpiece under production conditions.
5 Test procedure
5.1 Chisel test
A chisel shall be used to separate the sheets adjacent to the weld under test. There are two types of
chisel test.
ISO 10447:2022(E)
The destructive type of chisel test shall apply a force that results in stresses primarily normal to the
joint interface, as shown in Figure 1 a). This type of chisel test can be used to allow measurement of the
weld size after testing.
The non-destructive type of chisel test is used to verify the weld quality or soundness without measuring
the weld size. The chisel shall not strike the weld portion. The striking locations and procedure in t
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