1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 16120-4:2011Non-alloy steel wire rod forconversion to wirePart 4: Specific requirements for wire rodfor special applications (ISO 16120-4:2011)BS EN ISO 16120-4:2011 BR
2、ITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO16120-4:2011. It supersedes BS EN 10016-4:1995 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ISE/106, Wire Rod and Wire.A list of organizations represented on this
3、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 0 580 59723 7ICS 77.140.60; 77.140.65Compliance with a British Standard cannot confer immuni
4、ty 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 affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 16120-4 July 2011 ICS 77.140.60 Supersedes EN 1
5、0016-4:1994English Version Non-alloy steel wire rod for conversion to wire - Part 4: Specific requirements for wire rod for special applications (ISO 16120-4:2011) Fil-machine en acier non alli destin la fabrication de fils - Partie 4: Exigences spcifiques au fil-machine pour applications spciales (
6、ISO 16120-4:2011) Walzdraht aus unlegiertem Stahl zum Ziehen - Teil 4: Besondere Anforderungen an Walzdraht fr Sonderanwendungen (ISO 16120-4:2011) 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 th
7、e 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
8、 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 nationa
9、l 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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerlan
10、d and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management 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 IS
11、O 16120-4:2011: EBS EN ISO 16120-4:2011EN ISO 16120-4:2011 (E) 3 Foreword This document (EN ISO 16120-4:2011) 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 Europea
12、n Standard shall be given the status 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 elemen
13、ts 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 10016-4:1994. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
14、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, Romania, Slovakia,
15、Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 16120-4:2011 has been approved by CEN as a EN ISO 16120-4:2011 without any modification. BS EN ISO 16120-4:2011ISO 16120-4:2011(E) ISO 2011 All rights reserved iiiContents Page Foreword iv 1 Scope1 2 Norm
16、ative references1 3 Designation 2 4 Requirements.2 4.1 General .2 4.2 Chemical composition and mechanical properties .2 4.3 Internal soundness and surface quality4 4.4 Depth of surface discontinuities4 4.5 Depth of decarburization 4 4.6 Non-metallic inclusions 5 4.7 Core segregation .5 4.8 Tensile s
17、trength.6 4.9 Scale characteristics.6 4.10 Mechanical damage.6 4.11 Microstructure .6 Annex A (informative) Steel designations in accordance with ISO 16120-4 and designation of comparable steel grades in national or regional standards .7 Bibliography9 BS EN ISO 16120-4:2011ISO 16120-4:2011(E) iv ISO
18、 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 ISO technical committees. Each member body interested i
19、n 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 Commis
20、sion (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
21、 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
22、 not be held responsible for identifying any or all such patent rights. ISO 16120-4 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 edition (ISO 16120-4:2001), which has been technically re
23、vised. 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
24、 Part 4: Specific requirements for wire rod for special applications BS EN ISO 16120-4:2011INTERNATIONAL STANDARD ISO 16120-4:2011(E) ISO 2011 All rights reserved 1Non-alloy steel wire rod for conversion to wire Part 4: Specific requirements for wire rod for special applications 1 Scope This part of
25、 ISO 16120 is applicable to steel wire rod with improved characteristics intended for drawing and/or cold rolling. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated refer
26、ences, the latest edition of the referenced document (including any amendments) applies. ISO 4948-1, Steels Classification Part 1: Classification of steels into unalloyed and alloy steels based on chemical composition ISO 4948-2, Steels Classification Part 2: Classification of unalloyed and alloy st
27、eels according to main quality classes and main property or application characteristics ISO/TS 4949, Steel names based on letter symbols ISO 4967, Steel Determination of content of nonmetallic inclusions Micrographic method using standard diagrams ISO 16120-1:2011, Non-alloy steel wire rod for conve
28、rsion to wire Part 1: General requirements ISO 16120-2:2011, Non-alloy steel wire rod for conversion to wire Part 2: Specific requirements for general-purpose wire rod ASTM E45, Standard Test Methods for Determining the Inclusion Content of Steel BS EN ISO 16120-4:2011ISO 16120-4:2011(E) 2 ISO 2011
29、All rights reserved3 Designation In the designation C#D2, “C” means non-alloy steel (see ISO/TS 4949); # is the indicative average content of carbon;. “D” signifies that it is for wire-drawing; “2” means wire rod for special applications. If steels are ordered according to the chemical composition,
30、# means that values are to be inserted by the purchaser according to the steel names as 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 desig
31、nation, e.g. C#D2 1020, 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 of ISO 161
32、20-2:2011 for the grade designation. 4 Requirements 4.1 General For the general requirements, see ISO 16120-1. 4.2 Chemical composition and mechanical properties For heat analysis, the values shown in Table 1 shall apply. If product analysis is required, the permissible deviations of the product ana
33、lysis relative to the specified value of the heat analysis are given in Table 2. BS EN ISO 16120-4:2011ISO 16120-4:2011(E) ISO 2011 All rights reserved 3Table 1 Chemical analysis (heat analysis)aHeat analysis Steel gradebCc% Sid,j% Mne% P max. % S max. % Crfmax. % Nifmax. % Mo max. % Cuf,gmax. % Alh
34、max. % Nimax. % C3D2 0,05 0,30 0,30 - 0,50 0,020 0,025 0,10 0,10 0,05 0,15 0,01 0,007 C5D2 0,07 0,30 0,30 - 0,50 0,020 0,025 0,10 0,10 0,05 0,15 0,01 0,007 C8D2 0,06 - 0,10 0,30 0,30 - 0,50 0,020 0,025 0,10 0,10 0,05 0,15 0,01 0,007 C10D2 0,08 - 0,12 0,30 0,30 - 0,50 0,020 0,025 0,10 0,10 0,05 0,15
35、0,01 0,007 C12D2 0,10 - 0,14 0,30 0,30 - 0,50 0,020 0,025 0,10 0,10 0,05 0,15 0,01 0,007 C15D2 0,13 - 0,17 0,30 0,30 - 0,50 0,020 0,025 0,10 0,10 0,05 0,15 0,01 0,007 C18D2 0,16 - 0,20 0,30 0,30 - 0,50 0,020 0,025 0,10 0,10 0,05 0,15 0,01 0,007 C20D2 0,18 - 0,23 0,30 0,30 - 0,50 0,020 0,025 0,10 0,1
36、0 0,05 0,15 0,01 0,007 C26D2 0,24 - 0,29 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C32D2 0,30 - 0,34 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C36D2 0,34 - 0,38 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C38D2 0,36 - 0,40 0,10
37、 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C40D2 0,38 - 0,42 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C42D2 0,40 - 0,44 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C46D2 0,44 - 0,48 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,0
38、3 0,15 0,01 0,007 C48D2 0,46 - 0,50 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C50D2 0,48 - 0,52 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C52D2 0,50 - 0,54 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C56D2 0,54 - 0,58 0,10 - 0,
39、30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C58D2 0,56 - 0,60 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C60D2 0,58 - 0,62 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C62D2 0,60 - 0,64 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,1
40、5 0,01 0,007 C66D2 0,64 - 0,68 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C68D2 0,66 - 0,70 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C70D2 0,68 - 0,72 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C72D2 0,70 - 0,74 0,10 - 0,30 0,
41、50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C76D2 0,74 - 0,78 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C78D2 0,76 - 0,80 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C80D2 0,78 - 0,82 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,0
42、1 0,007 C82D2 0,80 - 0,84 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C86D2 0,84 - 0,88 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C88D2 0,86 - 0,90 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C92D2 0,90 - 0,94 0,10 - 0,30 0,50 -
43、0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 C98D2 0,96 - 1,00 0,10 - 0,30 0,50 - 0,70 0,020 0,025 0,10 0,10 0,03 0,15 0,01 0,007 By agreement between the supplier and purchaser, fine-grained steels may be specified. Such agreement may make reference to the requirement being deemed to be fulfille
44、d if certain criteria (involving the use of Al, Nb or V, either singly or in combination) have been met”.aElements not 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
45、ordering, the grades can contain additions (commonly termed microalloying additions) of Cr and V. The content of Cr is up to 0,30 % and the content of V is 0,05 % to 0,10 %. bNon-alloy steel for special applications shall comply with the non-alloy special steel in ISO 4948-2. cFor steels C32D2 to C9
46、8D2 the carbon range may be enlarged by 0,01 %, either by lowering the minimum or by increasing the maximum, by agreement between the supplier and purchaser. dFor wire rod intended for galvanizing, the required lower limit of silicon content should be specified at the time of ordering. eFor the mang
47、anese content, a different range from the one indicated in the table may be agreed at the time of ordering, with an amplitude of 0,20 %, and with a maximum not exceeding 1,20 % and a minimum not lower than 0,30 %. fThe sum of the contents Cu + Ni + Cr shall not exceed 0,30 %, except when Cr is inten
48、tionally added at the request of the purchaser. gCu + Sn shall be 0,15 %. For certain applications, the Cu content may be restricted to 0,12 % max. by agreement and the content of Sn shall not exceed 0,03 %. hBy agreement between the supplier and purchaser, an Al range may be specified with a lower
49、limit 0,02 % and an upper limit of 0,06 %. The value for silicon can then be fixed at 0,10 % on request. iIf, in accordance with footnote h, the Al content is fixed, the limit value of N shall be agreed at the time of ordering. jFor the silicon content, a different range from the one indicated in this table may be agreed at the time of ordering. BS EN ISO 16120-4:2011ISO 16120-4:2011(E) 4 ISO 2011 All rights reservedTable 2 Permissible deviation in the product analysis in relation to the specified heat
