BS EN 10132-2-2000 Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Case hardening steels《热处理用冷轧窄钢条 技术交付给条件 表面硬化钢》.pdf

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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 10132-2:2000 The Eu

2、ropean Standard EN 10132-2:2000 has the status of a British Standard ICS 77.140.10; 77.140.50 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Cold rolled narrow steel strip for heat treatment Technical delivery conditions Part 2: Case hardening steelsThis British Standard, hav

3、ing been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 May 2000 BSI 05-2000 ISBN 0 580 35852 6 BS EN 10132-2:2000 Amendments issued since publication Amd. No. Date Comments National foreword

4、This British Standard is the official English language version of EN 10132-2:2000. Together with BS EN 10132-1 and BS EN 10132-3, it supersedes BS 1449-1.15:1991 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee ISE/31, Wrought steels, which has the res

5、ponsibility to: aid enquirers to understand the 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 organ

6、izations 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 Catalogue under the section entitled “International Standar

7、ds Correspondence Index”, or by using the “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

8、 does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 10, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last

9、 issued.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10132-2 February 2000 ICS 77.140.10; 77.140.50 English version Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 2: Case hardening steels Feuillards lamins froid pour traitement thermique - Conditions

10、 techniques de livraison - Partie 2: Aciers pour cmentation Kaltband aus Stahl fr eine Wrmebehandlung - Technische Lieferbedingungen - Teil 2: Einsatzsthle This European Standard was approved by CEN on 3 January 2000. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which st

11、ipulate the 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 Central Secretariat or to any CEN member. This European Standard

12、 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 Central Secretariat has the same status as the official versions. CEN members are the national standard

13、s bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NOR

14、MUNG Central Secretariat: rue de Stassart, 36 B-1050 Brussels 2000 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10132-2:2000 EPage 2 EN 10132-2:2000 BSI 05-2000 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Terms

15、 and definitions 4 4 Classification and designation 4 4.1 Classification 4 4.2 Designation 4 5 Information to be supplied by the purchaser 4 6 Manufacturing process 4 7 Requirements 5 7.1 General 5 7.2 Method of delivery 5 7.3 Delivery condition 5 7.4 Chemical composition 5 7.5 Mechanical properties

16、 5 7.6 Structure 5 7.7 Surface finish 6 7.8 Dimensions and tolerances on dimensions and shape 6 8 Inspection 6 9 Sampling 6 10 Test methods 6 11 Labelling, packaging and protection 6 12 Retests 6 Annex A (informative): Reference values for Rockwell 9 hardnesses for case hardening steels Annex B (inf

17、ormative): List of corresponding former national designations 10Page 3 EN 10132-2:2000 BSI 05-2000 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 whic

18、h is held by DIN. 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 August 2000, and conflicting national standards shall be withdrawn at the latest by August 2000. This European Standard has been p

19、repared under a mandate given to CEN by the European Commission and the European Free Trade Association. This European Standard is considered to be a supporting standard to those application and product standards which in themselves support an essential safety requirement of a New Approach Directive

20、 and which make reference to this European Standard. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland,

21、 Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. The European Standard EN 10132, Cold rolled narrow steel strip for heat-treatment - Technical delivery conditions, is subdivided as follows: Part 1: General; Part 2: Case hardening steels;

22、Part 3: Steels for quenching and tempering; Part 4: Spring steels and other special applications.Page 4 EN 10132-2:2000 BSI 05-2000 1 Scope 1.1 This part of EN 10132 applies to non-alloy and alloy cold rolled narrow steel strip for case hardening with thicknesses up to 10 mm for general applications

23、. 1.2 This EN 10132-2 is complemented by EN 10132-1. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For

24、 dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 10020, Definition and classification of gr

25、ades of steel. EN 10132-1, Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 1: General. EN ISO 6508-1, Metallic materials - Rockwell hardness test - Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T) (ISO 6508-1:1999). 3 Terms and definitions For the

26、 purposes of this standard, the terms and definitions given in EN 10132-1 apply. 4 Classification and designation 4.1 Classification All steels covered by this European Standard are classified according to EN 10020. Steel grades C10E and C15E are non-alloy special steels, steel grades 16MnCr5 and 17

27、Cr3 are alloy special steels. 4.2 Designation See EN 10132-1. 5 Information to be supplied by the purchaser See EN 10132-1. 6 Manufacturing process See EN 10132-1.Page 5 EN 10132-2:2000 BSI 05-2000 7 Requirements 7.1 General See EN 10132-1. 7.2 Method of delivery See EN 10132-1. 7.3 Delivery conditi

28、on Cold rolled narrow steel strip covered by EN 10132-2 shall be supplied in one of the following delivery conditions: annealed or annealed and skin passed (+A or +LC); cold rolled (+CR). 7.4 Chemical composition 7.4.1 Cast analysis The chemical composition shall be in accordance with the values spe

29、cified 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 The mechanical properties of the strip shall be in accordance

30、with the values given in Table 3. NOTE For those customers who specify Rockwell hardness rather than Vickers hardness or tensile strength, a table is given in A.1, showing Rockwell hardness values for information. 7.6 Structure 7.6.1 Grain size See EN 10132-1. 7.6.2 Non-metallic inclusions See EN 10

31、132-1.Page 6 EN 10132-2:2000 BSI 05-2000 7.7 Surface finish The surface finish of cold rolled narrow steel strip shall be bright as achieved by rolling and annealing in a controlled atmosphere. 7.8 Dimensions and tolerances on dimensions and shape See EN 10132-1. 8 Inspection See EN 10132-1. 9 Sampl

32、ing See EN 10132-1. 10 Test methods See EN 10132-1. 11 Labelling, packaging and protection See EN 10132-1. 12 Retests See EN 10132-1.Page 7 EN 10132-2:2000 BSI 05-2000 Table 1 - Steel grades and chemical composition a(cast analysis) Steel designation % by mass name number C Si max. Mn P max. S max.

33、Cr C10E C15E 16MnCr5 17Cr3 1.1121 1.1141 1.7131 1.7016 0,07 to 0,13 0,12 to 0,18 0,14 to 0,19 0,14 to 0,20 0,40 0,40 0,40 0,40 0,30 to 0,60 0,30 to 0,60 1,00 to 1,30 0,60 to 0,90 0,035 0,035 0,035 0,035 0,035 0,035 0,035 0,035 max. 0,40 max. 0,40 0,80 to 1,10 0,70 to 1,00 a Elements not quoted in th

34、is table shall not be intentionally added to the steel without the agreement of the purchaser, other than for the purpose of finishing the heat. All reasonable precautions shall be taken to prevent the addition, from scrap or other material used in manufacture, of such elements which affect the mech

35、anical properties and application. Table 2 - Permissible deviations between the product analysis and the limiting values given in Table 1 for the cast analysis Element Permissible maximum content in the cast analysis % by mass Permissible deviation a % by mass C 0,20 0,02 Si 0,40 +0,03 1,00 0,04 Mn

36、1,00 1,30 0,05 P 0,035 +0,005 S 0,035 +0,005 Cr 0,40 0,40 1,10 +0,03 0,04 a means that in one cast the deviation may occur over the upper value or under the lower value of the specified range in Table 1, but not both at the same time.Page 8 EN 10132-2:2000 BSI 05-2000 Table 3 - Mechanical properties

37、 and hardness requirements a, b delivery condition Steel designation annealed (+A) or annealed and skin passed (+LC) cold rolled c(+CR) name number R p0,2 d N/mm max. R m d N/mm max. A 80 d % min. HV d max. R m d N/mm max. HV d max. C10E 1.1121 345 430 26 135 830 250 C15E 1.1141 360 450 25 140 870 2

38、60 16MnCr5 1.7131 420 550 21 170 e e 17Cr3 1.7016 420 550 21 170 e e a The customer may specify hardness or tensile values but not both. If neither is specified then tensile values shall apply. b Values apply to thicknesses 0,30 mm t 3,00 mm. For thicker strip, the values for the mechanical properti

39、es shall be agreed at the time of enquiry and order. c For material supplied in the cold rolled condition, a range of 150 N/mm or 50 HV shall apply, e.g. 650 N/mm to 800 N/mm or e.g. 150 HV to 200 HV. d R p0,2 0,2 %-Proof strength; R m Tensile strength; A 80 Elongation on a gauge length of 80 mm; HV

40、 Vickers hardness. e Cold rolled condition may be supplied on request. In this case, the mechanical properties shall be agreed at the time of enquiry and order.Page 9 EN 10132-2:2000 BSI 05-2000 Annex A (informative) Reference values for Rockwell hardnesses for case hardening steels Table A.1 - Rock

41、well hardness values a Steel designation delivery condition annealed (+A) or annealed and skin passed (+LC) name number HRB b max. C10E 1.1121 73 C15E 1.1141 76 16MnCr5 1.7131 84 17Cr3 1.7016 84 a For thicknesses less than those allowed in EN ISO 6508-1, the scale of Rockwell hardness shall be agree

42、d at the time of enquiry and order. b HRB Rockwell hardness (scale B).Page 10 EN 10132-2:2000 BSI 05-2000 Annex B (informative) List of corresponding former national designations Table B.1 - List of corresponding former designations Steel designation according to EN 10132-2:2000 Comparable former st

43、eel designation in Germany name number name number France United Kingdom Finland Italy Spain C10E C15E 16MnCr5 17Cr3 1.1121 1.1141 1.7131 1.7016 Ck10 Ck15 16MnCr5 17Cr3 1.1121 1.1141 1.7131 1.7016 XC10 - 16MC5 - CS 12 CS 17 - - - 505 - - C10 C15 16MnCr5 - C10k C16k 16MnCr5 -blankBS EN 10132-2:2000 B

44、SI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI Br

45、itish Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of

46、 British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary o

47、f the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying sta

48、ndards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as Brit

49、ish Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: 020 8996 7111. Fax: 020 8996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discount

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