ISO 23213:2022
(Main)Carbon steel wire for bedding and seating springs
Carbon steel wire for bedding and seating springs
This document specifies requirements for carbon steel wire of round cross-section supplied in the cold-draw condition intended for the manufacture of springs for bedding and seating used in the automotive and furniture manufacturing industries. This document is applicable to wire supplies in the uncoated condition, that is, without a metallic coating.
Fil d’acier au carbone pour ressorts de literie et sièges
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INTERNATIONAL ISO
STANDARD 23213
First edition
2022-03
Carbon steel wire for bedding and
seating springs
Fil d’acier au carbone pour ressorts de literie et sièges
Reference number
ISO 23213:2022(E)
© ISO 2022
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ISO 23213:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© 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 2022 – All rights reserved
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ISO 23213:2022(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Classification and marking .2
4.1 Classification . 2
4.2 Marking . 2
5 Information supplied by the purchaser . 3
6 Requirements . 3
6.1 Diameter, appearance, coil weight . 3
6.1.1 Diameter range . 3
6.1.2 Diameter and tolerance . 3
6.1.3 Ovality . 3
6.1.4 Cast . 3
6.1.5 The minimum coil weight . 4
6.1.6 Welds . . 4
6.2 Steel grade and chemical composition . 5
6.3 Mechanical properties . 5
6.3.1 Tensile strength . 5
6.3.2 Wrapping test . 6
6.3.3 Torsion test . 7
6.4 Surface quality . 7
6.5 Special requirements . 7
7 Inspection and testing .7
7.1 Requirements . 7
7.2 Inspection and acceptance . . . 7
7.3 Batching rule . 7
8 Retest. 7
9 Packing and identification .8
iii
© ISO 2022 – All rights reserved
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ISO 23213:2022(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 17, Steel, Subcommittee SC 17, Steel wire
rod and wire products.
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.
iv
© ISO 2022 – All rights reserved
---------------------- Page: 4 ----------------------
INTERNATIONAL STANDARD ISO 23213:2022(E)
Carbon steel wire for bedding and seating springs
1 Scope
This document specifies requirements for carbon steel wire of round cross-section supplied in the cold-
draw condition intended for the manufacture of springs for bedding and seating used in the automotive
and furniture manufacturing industries.
This document is applicable to wire supplies in the uncoated condition, that is, without a metallic
coating.
2 Normative 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 6892-1, Metallic materials — Tensile testing — Part 1: Method of test at room temperature
ISO 7800, Metallic materials — Wire — Simple torsion test
ISO 7802, Metallic mat
...
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 23213
ISO/TC 17/SC 17
Carbon steel wire for bedding and
Secretariat: SAC
seating springs
Voting begins on:
2021-11-26
Voting terminates on:
2022-01-21
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 SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 23213:2021(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2021
---------------------- Page: 1 ----------------------
ISO/FDIS 23213:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© 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: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
© ISO 2021 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/FDIS 23213:2021(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Classification and marking .2
4.1 Classification . 2
4.2 Marking . 2
5 Information supplied by the purchaser . 3
6 Requirements . 3
6.1 Diameter, appearance, coil weight . 3
6.1.1 Diameter range . 3
6.1.2 Diameter and tolerance . 3
6.1.3 Ovality . 3
6.1.4 Cast . 3
6.1.5 The minimum coil weight . 4
6.1.6 Welds . 4
6.2 Steel grade and chemical composition . 5
6.3 Mechanical properties . 5
6.3.1 Tensile strength . 5
6.3.2 Wrapping test . 6
6.3.3 Torsion test . 7
6.4 Surface quality . 7
6.5 Special requirements . 7
7 Inspection and testing .7
7.1 Requirements . 7
7.2 Inspection and acceptance . . . 7
7.3 Batching rule . 7
8 Retest. 7
9 Packing and identification .8
iii
© ISO 2021 – All rights reserved
---------------------- Page: 3 ----------------------
ISO/FDIS 23213:2021(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 17, Steel, Subcommittee SC 17, Steel wire
rod and wire products.
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.
iv
© ISO 2021 – All rights reserved
---------------------- Page: 4 ----------------------
FINAL DRAFT INTERNATIONAL STANDARD ISO/FDIS 23213:2021(E)
Carbon steel wire for bedding and seating springs
1 Scope
This document specifies requirements for carbon steel wire of round cross-section supplied in the cold-
draw condition intended for the manufacture of springs for bedding and seating used in the automotive
and furniture manufacturing industries.
This document is applicable to wire supplies in the uncoated condition, that is, without a metallic
coating.
2 Normative 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.
...
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