ISO 16120-1:2001
(Main)Non-alloy steel wire rod for conversion to wire — Part 1: General requirements
Non-alloy steel wire rod for conversion to wire — Part 1: General requirements
Fil-machine en acier non allié destiné à la fabrication de fils — Partie 1: Exigences générales
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Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 16120-1
First edition
2001-08-15
Non-alloy steel wire rod for conversion to
wire —
Part 1:
General requirements
Fil-machine en acier non allié destiné à la fabrication de fils —
Partie 1: Exigences générales
Reference number
ISO 16120-1:2001(E)
©
ISO 2001
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ISO 16120-1:2001(E)
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ii © ISO 2001 – All rights reserved
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ISO 16120-1:2001(E)
Contents
Foreword.iv
1 Scope .1
2 Normative references .1
3 Terms and definitions .2
4 Classification.2
5 Ordering information to be supplied by the purchaser .3
6 Production process .3
7 Requirements.4
8 Dimensions, mass and tolerances.4
9 Inspection.4
10 Marking .7
11 Complaints after delivery.7
Annex A (normative) Determination of core segregation .8
© ISO 2001 – All rights reserved iii
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ISO 16120-1:2001(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.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.
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 part of ISO 16120 may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights.
International Standard ISO 16120-1 was prepared by Technical Committee ISO/TC 17, Steel, Subcommittee
SC 17, Steel wire rod and wire products.
This first edition of ISO 16120-1, together with parts 2, 3 and 4 cancels and replaces ISO 8457-2 (1989) which has
been technically revised and augmented.
ISO 16120 consists of the following parts, under the general title Non-alloy steel wire rod for conversion to wire:
� Part 1: General requirements
� Part 2: Specific requirements for general purpose wire rod
� Part 3: Specific requirements for rimmed and rimmed-substitute, low-carbon steel wire rod
� Part 4: Specific requirements for wire rod for special applications
Annex A forms a normative part of this part of ISO 16120.
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INTERNATIONAL STANDARD ISO 16120-1:2001(E)
Non-alloy steel wire rod for conversion to wire —
Part 1:
General requirements
1 Scope
1.1 This part of ISO 16120 is applicable to wire rod of non-alloy steel intended for wire drawing and/or cold
rolling. The cross-section may be circular, oval, square, rectangular, hexagonal, octagonal, half-round or other
shape and generally with at least 5 mm nominal dimension. Wire rod has a smooth surface and is generally
intended for subsequent conversion.
1.2 It is not applicable to products for which standards exist or are under study, e.g.:
� steel wire rod intended for heat treatment;
� rod for free-cutting steels;
� steel rod for cold heading and cold extrusion;
� steel rod intended for the production of electrodes and products for welding;
� steel rod for welded fabric for reinforcement for concrete;
� steel rod for wire for high fatigue strength mechanical springs, such as valve springs.
1.3 In addition to the requirements of this part of ISO 16120 the general technical delivery requirements specified
in ISO 404 apply.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of
this part of ISO 16120. For dated references, subsequent amendments to, or revisions of, any of these publications
do not apply. However, parties to agreements based on this part of ISO 16120 are encouraged to investigate the
possibility of applying the most recent editions of the normative documents indicated below. For undated
references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain
registers of currently valid International Standards.
ISO 377:1997, Steel and steel products — Location and preparation of samples and test pieces for mechanical
testing
ISO 404:1992, Steel and steel products — General technical delivery requirements
ISO 3887:1976, Steel, non-alloy and low-alloy — Determination of depth of decarburization
ISO 4885:1996, Ferrous products — Heat treatments — Vocabulary
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ISO 16120-1:2001(E)
ISO 4948-1:1982, Steels — Classification — Part 1: Classification of steels into unalloyed and alloyed steels
based on chemical composition
ISO 4948-2:1981, Steels — Classification — Part 2: Classification of unalloyed and alloyed steels according to
main quality classes and main property or application characteristics
ISO 6892:1998, Metallic materials — Tensile testing at ambient temperature
ISO 6929:1987, Steel products — Definitions and classification
ISO 8457-1:1989, Steel wire rod — Part 1: Dimensions and tolerances
ISO/TR 9769:1991, Steel and iron — Review of available methods of analysis
ISO 10474:1991, Steel and steel products — Inspection documents
ISO 14284:1996, Steel and iron — Sampling and preparation of samples for the determination of chemical
composition
ISO 16120-3:2001, Non-alloy steel wire rod for conversion to wire — Part 3: Specific requirements for rimmed and
rimmed-substitute, low-carbon steel wire rod
ISO 16120-4:2001, Non-alloy steel wire rod for conversion to wire — Part 4: Specific requirements for wire rod for
special applications
3 Terms and definitions
For the purpose of this part of ISO 16120, the terms and definitions given in ISO 377, ISO 404, ISO 4885,
ISO 4948-1, ISO 4948-2 and ISO 6929 as well as the following apply.
3.1
rod
hot-rolled finished product hot wound into irregular coils
NOTE Rod used for wire-drawing purposes in coil form is generally termed wire rod.
3.2
heat analysis
chemical analysis representative of the heat, by a method determined at the steelmaker’s discretion
3.3
product analysis
chemical analysis carried out on a sample of the product taken after the final hot rolling operation
4 Classification
The classification of the steel grades covered by this part of ISO 16120 are indicated in ISO 16120-2, ISO 16120-3
and ISO 16120-4 for the corresponding steel grades.
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ISO 16120-1:2001(E)
5 Ordering information to be supplied by the purchaser
The following information shall be supplied by the purchaser at the time of enquiry and order, to enable the supplier
to comply satisfactorily with the requirements of this part of ISO 16120:
a) product type (wire rod);
b) reference to this part of ISO 16120, i.e. ISO 16120-1;
c) steel grade;
d) cross-section (round, square, hexagonal, etc.);
e) nominal dimensions of the wire rod;
f) quantity to be delivered;
g) dimensions and mass of coils;
h) reference to the dimensional standard ISO 8457-1;
i) surface condition (where different from the as-rolled condition);
j) where applicable, indication of the type of descaling (chemical or mechanical);
k) where applicable, the type of inspection and inspection document in accordance with ISO 404 and ISO10474
respectively (see 9.1);
l) where applicable, the method of binding and labelling;
m) where applicable, if the steel grade shall be suitable for galvanizing;
n) where applicable, suitable for direct drawing;
o) where applicable, suitable for patenting;
p) where applicable, the austenitic grain size;
q) where applicable, the microscopic structure;
r) where appli
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