1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 16120-2:2011Non-alloy steel wire rod forconversion to wirePart 2: Specific requirements for general-purpose wire rod (ISO 16120-2:2011)Licensed Copy: Wang Bin, ISO/EXCH
2、ANGE CHINA STANDARDS, 21/11/2011 02:08, Uncontrolled Copy, (c) BSIBS EN ISO 16120-2:2011 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO16120-2:2011. It supersedes BS EN 10016-2:1995 which is withdrawn.The UK participation in its preparation was entrusted to
3、 TechnicalCommittee ISE/106, Wire Rod and Wire.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0
4、 580 59721 3ICS 77.140.60; 77.140.65Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2011.Amendments issued since publicationDate Text affectedLicensed Copy
5、: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 21/11/2011 02:08, Uncontrolled Copy, (c) BSIEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 16120-2 July 2011 ICS 77.140.60 Supersedes EN 10016-2:1994English Version Non-alloy steel wire rod for conversion to wire - Part 2: Specific requirements for
6、 general-purpose wire rod (ISO 16120-2:2011)Fil-machine en acier non alli destin la fabrication de fils - Partie 2: Exigences spcifiques au fil-machine dusage gnral (ISO 16120-2:2011) Walzdraht aus unlegiertem Stahl zum Ziehen - Teil 2: Besondere Anforderungen an Walzdraht fr allgemeine Verwendung (
7、ISO 16120-2:2011) This European Standard was approved by CEN on 30 June 2011. 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 bibl
8、iographical 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 respon
9、sibility 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, Gre
10、ece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Managem
11、ent Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 16120-2:2011: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 21/11/2011 02:08, Uncontrolled Copy, (c) BSIBS EN ISO 1612
12、0-2:2011EN ISO 16120-2:2011 (E) 3 Foreword This document (EN ISO 16120-2:2011) has been prepared by Technical Committee ISO/TC 17 “Steel“ in collaboration with Technical Committee ECISS/TC 106 “Wire rod and wires” the secretariat of which is held by AFNOR. This European Standard shall be given the s
13、tatus of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2012, and conflicting national standards shall be withdrawn at the latest by January 2012. Attention is drawn to the possibility that some of the elements of this document may be the
14、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 10016-2:1994. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implemen
15、t 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, Romania, Slovakia, Slovenia, Spain, Sweden, Switze
16、rland and the United Kingdom. Endorsement notice The text of ISO 16120-2:2011 has been approved by CEN as a EN ISO 16120-2:2011 without any modification. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 21/11/2011 02:08, Uncontrolled Copy, (c) BSIBS EN ISO 16120-2:2011ISO 16120-2:2011(E) ISO 2
17、011 All rights reserved iiiContents Page Foreword iv 1 Scope1 2 Normative references1 3 Designation 1 4 Requirements.1 4.1 General .1 4.2 Chemical composition 2 4.3 Internal soundness and surface quality2 4.4 Depth of surface discontinuities3 4.5 Core segregation .3 4.6 Tensile strength.3 4.7 Scale
18、characteristics.4 4.8 Mechanical damage.4 Annex A (informative) Steel designations in accordance with ISO 16120-2 and designation of comparable steel grades in national or regional standards .5 Bibliography7 Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 21/11/2011 02:08, Uncontrolled Copy,
19、(c) BSIBS EN ISO 16120-2:2011ISO 16120-2:2011(E) iv ISO 2011 All rights reservedForeword 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
20、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
21、 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.
22、 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
23、document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 16120-2 was prepared by Technical Committee ISO/TC 17, Steel, Subcommittee SC 17, Steel wire rod and wire products. This second edition cancels and replaces the first ed
24、ition (ISO 16120-2:2001), which has been technically revised. 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
25、rimmed and rimmed substitute, low-carbon steel wire rod Part 4: Specific requirements for wire rod for special applications Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 21/11/2011 02:08, Uncontrolled Copy, (c) BSIBS EN ISO 16120-2:2011INTERNATIONAL STANDARD ISO 16120-2:2011(E) ISO 2011 All
26、 rights reserved 1Non-alloy steel wire rod for conversion to wire Part 2: Specific requirements for general-purpose wire rod 1 Scope This part of ISO 16120 is applicable to general-purpose steel wire rod for drawing and/or cold rolling. 2 Normative references The following referenced documents are i
27、ndispensable 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 4948-1, Steels Classification Part 1: Classification of steels into unalloyed and all
28、oy steels based on chemical composition ISO 4948-2, Steels Classification Part 2: Classification of unalloyed and alloy steels according to main quality classes and main property or application characteristics ISO/TS 4949, Steel names based on letter symbols ISO 16120-1:2011, Non-alloy steel wire ro
29、d for conversion to wire Part 1: General requirements 3 Designation In the designation C#D, “C” means non-alloy steel (see ISO/TS 4949); # is the indicative average content of carbon; “D” signifies that it is for wire-drawing. If steels are ordered according to chemical composition, # indicates the
30、values to be inserted by the purchaser according to the steel names designated in Table 1, first column. Steels can also be ordered according to tensile strength. The mid-point of the required ultimate tensile strength (UTS) range shall be indicated as a suffix to the grade designation, e.g. C#D 102
31、0, where the required mid-point of the UTS is 1 020 MPa. “#” means “to be left blank” since the carbon content is at the discretion of the supplying mill, and the supplying mill indicates the exact number of # based on the grade designation until shipment. See Table 1 for the grade designation. 4 Re
32、quirements 4.1 General For the general requirements, see ISO 16120-1. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 21/11/2011 02:08, Uncontrolled Copy, (c) BSIBS EN ISO 16120-2:2011ISO 16120-2:2011(E) 2 ISO 2011 All rights reserved4.2 Chemical composition For the heat analysis, the values
33、shown in Table 1 shall apply. If a product analysis is required, the permissible deviations of the product analysis relative to the specified value of the heat analysis are given in Table 2. 4.3 Internal soundness and surface quality The wire rod shall have no internal and/or surface discontinuities
34、, such as shrink holes, cracks, folds, incrustations, notches, scabs or rolling burrs, that may be detrimental to its correct use. Table 1 Chemical analysis (heat analysis)aHeat analysis Steel gradebCc% Sid% Mne% P % max. S % max. Cr % max. Ni % max. Mo % max. Cuf% max. Alg% max. C4D C7D C9D C10D C1
35、2D C15D C18D C20D C26D C32D C38D C42D C48D C50D C52D C56D C58D C60D C62D C66D C68D C70D C72D C76D C78D C80D C82D C86D C88D C92D 0,06 0,05-0,09 0,10 0,08-0,13 0,10-0,15 0,12-0,17 0,15-0,20 0,18-0,23 0,24-0,29 0,30-0,35 0,35-0,40 0,40-0,45 0,45-0,50 0,48-0,53 0,50-0,55 0,53-0,58 0,55-0,60 0,58-0,63 0,
36、60-0,65 0,63-0,68 0,65-0,70 0,68-0,73 0,70-0,75 0,73-0,78 0,75-0,80 0,78-0,83 0,80-0,85 0,83-0,88 0,85-0,90 0,90-0,95 0,30 0,30 0,30 0,30 0,30 0,30 0,30 0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,
37、10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,10-0,30 0,30-0,60 0,30-0,60 0,30-0,60 0,30-0,60 0,30-0,60 0,30-0,60 0,30-0,60 0,30-0,60 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,
38、50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,50-0,80 0,035 0,035 0,035 0,035 0,035 0,035 0,035 0,035 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,035 0,035 0,035 0,035 0,035 0,035 0,035
39、0,035 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,25 0,25 0,
40、25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,20 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,05 0,30 0,30 0,
41、30 0,30 0,30 0,30 0,30 0,30 0,30 0,30 0,30 0,30 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,25 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 0,01 aElements no
42、t included in this table may not be added intentionally to the steel without the agreement of the purchaser, except those intended for finishing the heat. By agreement at the time of ordering, the grades can contain additions (commonly termed microalloying additions) of Cr and V. The content of Cr i
43、s up to 0,30 % and the content of V is 0,05 % to 0,10 %. bNon-alloy quality steel for general purposes shall comply with unalloyed quality steel in ISO 4948-2. cFor steel grades C26D to C92D, the carbon range may be enlarged by lowering the minimum by 0,01 % and by increasing the maximum by 0,01%, b
44、y agreement between the supplier and purchaser. dFor wire rod intended for galvanization, the required lower limit of silicon content should be specified at the time of ordering. By agreement at the time of ordering, the maximum silicon level for grades C4D to C20D may be further restricted. eFor gr
45、ades from C15D to C92D, a different range from the one indicated in this table, but of the same amplitude, can be agreed at the time of ordering, with a maximum not exceeding 1,20 % and a minimum not lower than 0,30 %. fA maximum copper content of 0,20 % may be agreed at the time of ordering. For st
46、eel grades C48D to C92D, Cu + Sn shall be 0,25 %. gBy agreement at the time of ordering, the value for aluminium can be fixed at 0,01 % to 0,06 %. In such cases, the value of silicon can be fixed at 0,10 % on request. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 21/11/2011 02:08, Uncontrol
47、led Copy, (c) BSIBS EN ISO 16120-2:2011ISO 16120-2:2011(E) ISO 2011 All rights reserved 3Table 2 Permissible deviation in the product analysis in relation to the specified heat analysisaElements Steel grade Permissible deviation in product analysis % C C4D to C20D C26D to C82D C86D to C92D 0,02 0,03
48、 0,04 Si All grades 0,04 Mn ll grades 0,06 P and S All grades +0,005 aIf agreed at the time of ordering, the permissible deviation between product analysis and heat analysis for carbon shall be in relation to the actual heat analysis instead of the specified range. 4.4 Depth of surface discontinuiti
49、es The wire rod shall not have any surface discontinuities with depths greater than those shown in Table 3. These limit values apply for the test chosen in accordance with 9.4.3 and 9.5.3 of ISO 16120-1:2011. Table 3 applies to round wire rod only; maximum discontinuity levels for other shapes may be agreed upon. Table 3 Limit values for the depth of surface discontinuities of round wire rod Dimensions in millimetres Nominal diameter dNMaximum permissible depth of surface discontinuities radial depthaM
