1、BRITISH STANDARD Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications The European Standard EN 1013242000 has the status of a British Standard ICs 77.140.25 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT
2、LAW BS EN 10132-42000 COPYRIGHT European Committee for StandardizationLicensed by Information Handling Services STD-BSI BS EN 30332-4-ENGL 2000 3b24bb9 0853204 129 = BS EN 10132-42000 direction of the Engineering Amd.No. Sector Committee, was published under the authority of the Standards Committee
3、and comes into effect on 15 May 2000 O BSI Ob2000 National foreword Date Comments This British StanW is the official English language version of EN 101324.2000. Together with BS EN 10132-1, it supersedes BS 6770 Parts 1,2, and 31981. The UK participation in its preparation was entrusted to Technical
4、 Commitee ISE/31, Wrought steels, which has the responsibility to: - aid enquirers to undersand the text; - present to the responsible European committee any enquiries on the - monitor related international and European developments and promulgate interpretation, or proposals for change, and keep th
5、e UK interests informed them in the UK. A list of organizaions represented on this committee can 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 Catal
6、ogue under the section entitled “Internationai Standards Correspondence Index“, or by using the A British Standard does not purport to mclude all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does
7、not of itself confer immunity from legal obligations. facility of the BSI Standards Electronic Catalogue. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 14, an inside back cover and a back cover. The BSI copyright notice displayed in this
8、 document indicates when the document was last issued. I I ISBN O 580 35853 4 COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesSTD-BSI BS EN LO332-4-ENGL 2000 3624bb7 0853205 Ob5 EUROPEAN STANDARD NORME EUROPENNE EUROPASCHE NORM EN I01324 February 2000 ICs 77.
9、140.10; 77.140.25; 77.140.50 English version Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications Feuillards laminbs froid pour traitement thermique - Conditions techniques de livraison - Partie 4: Aciers ressorts et autres
10、applications Kaltband aus Stahl fr eine Wrmebehandlung - Technische Lieferbedingungen - Teil 4: Federsthle und andere Anwendungen This European Standard was approved by CEN on 3 January 2000. CEN members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for
11、 giving this Europsan Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning sich national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official
12、versions (English, French, German). A version in any other language made by traislation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as tie official versions. CEN members are the national standards bodies of Austria, Belgi
13、um, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPISCHES KOMITEE FUR NORMUNG Central Secretariat
14、: rue de Stassart, 36 8-1050 Brussels O 2000 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 101 32-4:2000 E COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesSTDmBSI BS EN LOL32-4-ENGL 2000 L
15、b24bb 085120b TTL Page 2 EN 1 O1 3242000 Contents Page Foreword 3 I Scope 4 2 Normative references 4 3 Terms and definitions 4 4 Classification and designation 4.1 Classification 4.2 Designation 4 4 4 5 Information to be supplied by the purchaser 4 6 Manufacturing process 5 7 7.1 7.2 7.3 7.4 7.5 7.6
16、 7.7 7.8 Requirements General Method of delivery Delivery condition Chemical composition Mechanical properties Structure Surface finish Dimensions and tolerances on dimensions and shape 5 5 5 5 5 5 6 6 6 8 Inspection 6 9 Sampling 7 IO Test methods 7 11 Labelling, packaging and protection 7 12 Retest
17、s 7 Annex A (informative): Technical information on steels for springs 11 and other applications Annex B (informative): List of corresponding former national designations 14 OBSI 05-2000 COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesSTD.BSI BS EN 30132-4-EN
18、GL 2000 H Lb24669 0853207 938 Page 3 EN I O1 3242000 Foreword This European Standard has been prepared by Technical Committee ECISS/TC 23, Steels for heat treatment, alloy steels and free-cutting steels - Qualities and dimensions, the secretariat of which is held by DIN. This European Standard shall
19、 be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2000, and conflicting national standards shall be withdrawn at the latest by August 2000. According to the CENICENELEC Internal Regulations, the national standards organ
20、izations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. The European Standard
21、 EN 1 O1 32, Cold rolled narrow steel strip for heat-treatment - Technical delivery conditions, is subdivided as follows: Part 1 : General; Part 2: Case hardening steels; Part 3: Steels for quenching and tempering; Part 4: Spring steels and other special applications. OBSI 05-2000 COPYRIGHT European
22、 Committee for StandardizationLicensed by Information Handling Services STD.BS1 BS EN 10132-4-ENGL 2000 Lb24bbS 0851208 874 Page 4 EN 1 O1 3242000 1 Scope I .I This part of EN 1 O1 32 applies to: - non-alloy and alloy cold rolled narrow steel strip thicknesses up to 6 mm; - non-alloy and alloy cold
23、rolled narrow steel strip in the quenched and tempered condition in thicknesses between 0,30 mm and 3,OO mm for springs and for other special applications. I .2 This EN 1 O1 32-4 is complemented by EN 1 O1 32-1. 2 Normative references This European Standard incorporates by dated or undated reference
24、, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated
25、in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 10020, Definition and classification of grades of steel. EN 1 O1 32-1, Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part I: General. EN IS0 6508
26、-1, Metallic materials - Rockwell hardness test - Patt I: Test method (scales A, B, C, D, E, F, G, H, K, N, T) (IS0 6508-1:1999). 3 Terms and definitions For the purposes of this standard, the terms and definitions given in EN 10132-1 apply. 4 Classification and designation 4.1 Classification All st
27、eels covered by this European Standard are classified according to EN 10020. Steel grades C55S, C60S, C67S, C75S, C85S, C9OS, CIOOS and C125S are non-alloy special steels, steel grades 48Si7, 56Si7, 51 CrV4, 8OCrV2, 75Ni8, 125Ct-2 and 102Cr6 are alloy special steels. 4.2 Designation See EN I O1 32-1
28、. 5 Information to be supplied by the purchaser See EN 10132-1. OBSI 05-2000 COPYRIGHT European Committee for StandardizationLicensed by Information Handling Services - STD.BSI BS EN 30332-4-ENGL 2000 m 3b24bb 0853209 i00 m Page 5 EN 1 O1 3242000 6 Manufacturing process See EN 1 O1 32-1. 7 Requireme
29、nts 7.1 General See EN I O1 32-1. 7.2 Method of delivery See EN 10132-1. 7.3 Delivery condition Cold rolled narrow steel strip covered by EN 10132-4 shall be supplied in one of the following delivery conditions: - annealed or annealed and skin passed (+A or +LC); - cold rolled (+CR); - quenched and
30、tempered (+QT). NOTE The delivery condition - annealed to achieve spheroidized carbides (+AC) - may be agreed. In such cases, limits on spheroidization and mechanical properties may also be agreed at the time of enquiry and order. 7.4 Chemical composition 7.4.1 Cast analysis The chemical composition
31、 shall be in accordance with the values specified in Table 1 for the cast analysis. 7.4.2 Product analysis In cases where a product analysis is requested, the admissible deviations from the values specified for the cast analysis are indicated in Table 2. 7.5 Mechanical properties 7.5.1 Tensile prope
32、rties and hardness The mechanical properties of the strip shall be in accordance with the values given in Table 3. For thicknesses outside this range, mechanical properties shall be agreed between the customer and the supplier. NOTE 1 For those customers who specify Rockwell hardness rather than Vic
33、kers hardness or tensile strength, a table is given in A.1, showing Rockwell hardness values for information. OBSI 05-2000 COPYRIGHT European Committee for StandardizationLicensed by Information Handling Services STDmBSI BS EN hOL32-4-ENGL 2000 E hb24bb9 085h2l10 422 Page 6 EN 1 O1 3242000 NOTE 2 Th
34、e steels may be quenched in oil or isothermally heat treated. For information, the minimum hardness values given in Table A.2 show the minimum values after quenching, without tempering. NOTE 3 For spring applications, the preferred hardness range (HV) for steels according to Table 3 in the quenched
35、and tempered condition are given in Table A.3 for information. 7.5.2 Bend test Requirements for the bend test for steels in the annealed condition (+A) may be agreed at the time of enquiry and order. 7.6 Structure 7.6.1 Grain size See EN 1 O1 32-1. 7.6.2 Non-metallic inclusions See EN 10132-1. 7.6.3
36、 Decarburization For silicon alloyed steels, decarburization shall not exceed 3 % of the material thickness per side, for non-silicon alloyed steels, decarburization shall not exceed 2 % of the material thickness per side when measured at a distance of 5 mm from the strip edge (see also EN I O1 32-1
37、). 7.7 Surface finish The surface finish of cold rolled narrow steel strip shall be bright as produced by rolling and annealing in a controlled atmosphere. The surface finishes of quenched and tempered cold rolled strip are as follows: - grey/blue oxide finish: unpolished; - brigth tempered: unpolis
38、hed; - polished: obtained by fine grinding, abrasive brushing or other processes; - polished and coloured: blue or yellow colour obtained by oxidization by heat treatment. 7.8 Dimensions and tolerances on dimensions and shape See EN I O1 32-1. 8 Inspection See EN 1 O1 32-1. OBSI 05-2000 COPYRIGHT Eu
39、ropean Committee for StandardizationLicensed by Information Handling ServicesSTD.BSI BS EN LOL32-4-ENGL 2000 m Lb21ibb 08512LL .3b9 m Page 7 EN 1 O1 324:2000 9 Sampling See EN 1 O1 32-1. 10 Test methods See EN 1 O1 32-1. 11 Labelling, packaging and protection See EN 10132-1. 12 Retests See EN 1 O1 3
40、2-1. OBSI 05-2000 COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesA u) u) r Q E Q u) Q o .I - c, v “u, S O Q o Q P Q a o Q) Q u) .- ci .- I - .- 5 5 O rr E Q u) rn E Q u) O u) Q) at u) O .- L L ic - c, ic c O u) O O o Q o E Q) c o .- .- ci E - .- I r STD=BSI
41、BS EN 10132-4-ENGL 2000 = L624hh 08512L2 2T5 U x am E vj - 0 COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesSTD.BSI BS EN LOL32-4-ENGL 2000 m Lb24669 08512L3 131 m Element C Page 9 EN 1 O1 3242000 Permissible maximum content Permissible deviation” in the cas
42、t analysis % by mass % by mass 5 0,50 I0,02 0,50 5 1,OO 1,oo R, Tensile strength; ho Elongation on a gauge length of 80 mm; HV Vickers hardness. e OBSI 05-2000 COPYRIGHT European Committee for StandardizationLicensed by Information Handling Services STD.BS1 BS EN 10132-4-ENGL 2000 W 1b24bb9 0851215
43、TO4 Steel designation name number Page 11 EN 1 O1 3242000 delivery condition annealed (+A) or annealed and skin passed (+LC) quenched andb tempered (+QT) HRBC HRC max. Annex A (informative) 260s 267s Technical information on steels for springs and other applications 1.1211 91 35 to 513 1 .I231 92 38
44、,5 to 54 Table A.1 - Reference values for Rockwell hardness for steels for C85S c9os CI 00s 1.1269 94 38,5 to 55 1.1217 94 38,5 to 55 1.1274 95 30,5 to 57 55S I 1.1204 I 90 I 34 t050,5 4897 56Si7 1.5021 95 38,5 to 50,5 1.5026 96 38,5 to 503 275s I 1.1248 I 93 1 38,5 to 54 75Ni8 125Cr2 1.5634 93 38,5
45、 to 52,5 1.2002 97 42 to 57 C125S I 1.1224 I 97 1 38,5 to 57 51CrV4 I 1.8159 I 94 I 38,5 to 52,5 8OCrV2 I 1.2235 1 95 I 38,5 to52,5 102Cr6 I 1.2067 I 97 I 42to57 a For thicknesses less than those allowed in EN IS0 6508-1, the scale of Rockwell hardness shall be agreed at the time of enquiry and orde
46、r. For material supplied in the quenched and tempered condition, a range of 5 HRC shall apply for hardnesses S 40 HRC and a range of 4 HRC shall apply for hardnesses 40 HRC. HRB Rockwell hardness (scale B); HRC Rockwell hardness (scale C). springs? OBSI 05-2000 COPYRIGHT European Committee for Stand
47、ardizationLicensed by Information Handling ServicesPage i2 EN 1 O1 3242000 Steel designation name number Table A.2 - Reference values for the heat treatment and the minimum hardness values in the quenched condition Austenitizing Quenching Minimum hardnessa in the quenched temperature medium conditio
48、n without tempering “C HRC I c55s 1.1204 C60S 1.1211 830 to 860 oil 55 600 825 to 855 oil 57 640 C67S 1.1231 I 815t0845 I oil I 59 1 670 1 c75s 1.1248 C85S 1.1269 810 to 840 oil 60 700 800 to 830 oil 61 720 c9os 1.1217 CIOOS 1.1274 C125S 1.1224 48Si7 1.5021 56Si7 1.5026 51 CrV4 I .81 59 790 to 820 o
49、il 61 720 790 to 820 oil 61 720 780 to 810 oil 62 750 840 to 870 water 52 540 840 to 870 oil 55 600 840 to 870 oil 57 640 8OCrV2 1.2235 75Ni8 1.5634 The thickness range up to which these minimum values apply is 0,30 rnm to 3,OO mm. HRC Rockwell hardness (scale C), HV Vickers hardness. 840 to 870 oil 60 700 820 to 850 oil 60 700 OBSI 05-2000 125CR 1.2002 102crf3 1.2067 820 to 850 oil 62 750 830 to 860 oil 61 720 COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesSTD-BSI BS EN 10132-4-ENGL 2000 E 1624bb 08SL217 8
