1、BRITISH STANDARD Steel rod, bars and wire for cold heading and cold extrusion - Part 2: Technical delivery conditions for steels not intended for heat treatment after cold working The European Standard EN 10263-2:2001 has the status of a British Standard ICs 77.140.60; 77.140.65 BS EN 10263-2:200 1
2、Incorporating Corrigendum No. 1 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 10263-2:2001 Amd. No. National foreword Date Comments This British Standard is the official English language version of EN 10263-2:2001. Together with BS EN 10263-1:2001, BS EN 10263-3:2001 a
3、nd BS EN 10263-4:2001 it supersedes BS 3111-1:1987, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee ISE/71, Steel rods for wire drawing, which has the responsibility to: 13450 Corrigendum No. 1 O BSI 13 September 2001 - - aid enquirers to understand t
4、he text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. - A list of organizations represented on this committee can
5、be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “
6、Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from le
7、gal obligations. 13 September Addition of supersession details 2001 This British Standard. having been prepared under the - direction of the Engineering Sector Committee. was Summary Of pages This document comprises a front cover, an inside front cover, the EN title page, published under the authori
8、ty of the Standards Committee and cames into effect on pages 2 to 8, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the 15 August 2001 document was last issued. ISBN O 580 37621 4 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10263-2 Ju
9、ne 2001 ICs 77.140.60; 77.140.65 English version Steel rod, bars and wire for cold heading and cold extrusion - Part 2: Technical delivery conditions for steels not intended for heat treatment after cold working Barres, fil machine et fils en acier pour transformation froid et extrusion froid - Part
10、ie 2: Conditions techniques de livraison des aciers n?tant pas destins un traitement thermique aprs travail froid Walzdraht, Stbe und Draht aus Kaltstauch- und Kalttliepresthlen - Teil 2: Technische Lieferbedingungen fr nicht fr eine Wrmebehandlung nach der Kaliverarbeitung vorgesehene Sthle This Eu
11、ropean Standard was approved by CEN on 19 April 2001. CEN members are bound to comply with the CENICENELEC, Intemal 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 c
12、oncerning such national standards may be obtained on application to the 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 traklation under the responsibility of a CEN member into its own
13、 language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Noway, Portugal, Spain, Sweden
14、, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPISCHES KOMITEE FUR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels O 2001 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Memb
15、ers. Ref. No. EN 10263-2:2001 E Page 2 EN 10263-2:2001 Con tents Page Foreword 3 1 Scope . 3 2 Normative references . 3 3 Terms and definitions . 3 4 Classification and designation 4 4.1 Classification 4 4.2 Designation 4 5 Production process 4 5.1 General 4 5.2 Deoxidation 4 6 Requirements 4 6.1 De
16、livery condition . 4 6.2 Chemical composition 4 6.3 Mechanical properties 4 6.4 Surface quality 5 6.5 Supplementary or special requirements . 5 O BSI 13 September 2001 Page 3 EN 10263-2:2001 Foreword This European Standard has been prepared by Technical Committee ECISSTTC 15, Wire-rod - Qualities, d
17、imensions, tolerances and specific tests, the Secretariat of which is held by UNI. 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 December 2001, and conflicting national standards shall be withdr
18、awn at the latest by December 2001. This European Standard EN 10263 is subdivided as follows: - Part I: General technical delivery conditions; - Part 2: Technical delivery conditions for steels not intended for heat treatment after - Part 3: Technical delivery conditions for case hardening steels; -
19、 Part 4: Technical delivery conditions for steels for quenching and tempering; - Part 5: Technical delivery conditions for stainless steels. cold working; According to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Eur
20、opean Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. 4 1 Scope 1 .I This part of EN 10263 is applicable to round rod and bars and wire with a
21、 diameter up to and including 100 mm, of non-alloy and alloy steel, intended for cold heading and cold extrusion without subsequent heat treatment on the final components. 1.2 This part of EN 10263 is complemented by EN 10263-1. 2 Normative references This European Standard incorporates by date or u
22、ndated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For date references, subsequent amendments to or revisions of, any of these publications apply to this European Standard only wh
23、en incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). EN 10020 EN 10263-1 Definitions and classification of grades of steel. Steel rod, bars and wire for cold heading and cold extrusion - Part 1: Gener
24、al technical delivery conditions. 3 Terms and definitions For the purposes of this standard the definitions in EN 10263-1 apply. O BCI 13 September 2001 Page 4 4 Classification and designation EN 10263-2:2001 4.1 Classification Ail steel grades covered by this part of EN 10263 are non-alloy or alloy
25、 (8MnSi7) quality steels according to EN 10020. 4.2 Designation 4.2.1 Steel names See EN 10263-1 :2001. 4.2.2 Steel numbers See EN 10263-1 :2001. 5 Production process 5.1 General See EN 10263-1:2001. 5.2 Deoxidation All steel grades quoted in Table 2, except 8MnSi7, are aluminium-killed steels. By a
26、greement aluminium may be replaced by another suitable element having a similar effect. 6 Requirements 6.1 Delivery condition The delivery conditions in which the products covered by this part of this European Standard are normally supplied, the product forms and the applicable requirements, are giv
27、en in Table 1. I 6.2 Chemical composition 6.2.1 Heat analysis The chemical composition shall be in accordance with the values specified in Table 2 for the heat analysis. 6.2.2 Product analysis In cases where a product analysis is requested, the admissible deviations from the values specified for the
28、 heat analysis are indicated in Table 3. 6.3 Mechanical properties The mechanical properties of the products, to be determined by the tensile test, shall be in accordance with the prescriptions given in Table 4. O BSI 13 September 2001 Page 5 EN 10263-212001 6.4 Surface quality See EN 10263-1 :2001.
29、 6.5 Supplementary or special requirements Other requirements that can be agreed at the time of enquiry and order are described in annex B Of EN 10263-1 12001. O BSI 13 September 2001 u) E c, E 2 a 2 .- CT xx xx 33 + U al - E! 2: a a .er O .- - y. 2: E E 3 v) I im F a 5 II w + a .wu al ma Q ri F O O
30、 (v N .- 8 U .- -o C 8 P .- $ P - I2 +- o 3 Y+ ?+ I X - X Y 3 U al (u c c 2 + 3 cn C .- 8 E O O -4- .- E CI al m U al cn m al S 5 CI L o 8 VI S O U C .- w .- 8 2 .- 9 - al U 8 8 i al Page 7 EN 10263-212001 Steel Steel name c2c c4c C8C c1 oc C15C C17C c20c 8MnSi7 grades Steel number 1 .O314 1 .O303 1
31、 .O21 3 1 .O214 1 .O234 1 .O434 1 .O41 1 1.51 13 - Chemical composition - Heat analysis % by mas I I I I Elements Limiting values of the cast (heat) analysis - Permissible deviation for the product .a AI 0,020/0,060 O, 020/0,060 0,020/0,060 0,020/0,060 O, 020/0,060 0,020/0,060 O, 020/0,060 C si Mn a
32、 Elements not quoted in this table should not be intentionally added to the steel without the agreement of the purchaser, except those intended for finishing the heat All reasonable precautions shall be taken in order to prevent the addition of elements from scrap or other material used in the produ
33、ction process. However, residual elements may be present provided that they do not affect the hardenability, mechanical properties and applicability. Aluminium may be replaced by another element or elements having a similar effect. For grades CIOC, C15C, C17C, C20C, a silicon content of 0,15/0,35 %
34、may be specified for hot dip galvanizing; in this case the mechanical properties as stated in Table 4 may be affected. For grades C2C and C20C a lower manganese content may be specified with a range of 0,20 %. b d I0,22 +0,02 I1,OO +0,03 1,oo +0,05 I 1,oo +O, 04 1,00 I 1,80 +0,05 AI ana lys is % by
35、massa % by mass I 0,060 +0,005 P I I 0,025 I +0,005 S I I 0,025 I +0,005 O BSI 13 September 2001 188 I ,II O0 iba I bb O0 lula3 I dd ImN O0 I mm O0 Iba I mm ,II I 9mm oaa 200 O0 I a-bb 288 I nmm o0 O00 ONN 1 baa I a-dd bbd I I ?88 I *dd I III nn O0 coco , O0 O0 ,NY I mm O0 irnb I mm O0 ir0 I Wo O0 l
36、ind I ci (II Q) c 8 rc , ooc bblc CI Q) CI E Q) c O E ci .- ci E B E CI E (II lu a ooc mmv I cocoa ooc I ooc bbd ooc I bbT ddT , ooc (DaCC , cococo , cocoa mmm mmu ooc I mmv dbd O00 ooc I aaa I (VNC ddd mmu 4 N o T $1 T Y d F Ir! T 9 T d 0 d o N 9 F 9 T I c o BS EN 10263-2:2001 BSI 389 Chiswick High
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