DIN EN 10132-2-2000 Cold-rolled narrow steel strip for heat-treatment - Technical delivery conditions - Part 2 Case hardening steels German version EN 10132-2 2000《热处理用冷轧窄钢带材 交货技术条.pdf

1、DEUTSCHE NORM Mav 2000 I Cold-rolled narrow steel strip for heat treatment - Tech n i c a I d e I i very con d it i on s DIN - IEN 10132-2 Part 2: Case hardking steels English version of DIN EN 1 O1 32-2 ICs 77.140.10; 77.140.50 Kaltband aus Stahl fr eine Wrmebehandlung -Technische Lieferbedingungen

2、 -Teil 2: Einsatzsthle European Standard EN 10132-2 : 2000 has the status of a DIN Standard. A comma is used as the decimal marker. National foreword This standard has been prepared by ECISS/TC 23. The responsible German body involved in its preparation was the Normenausschuss Eisen und Stahl (Steel

3、 and Iron Standards Committee). EN comprises 9 pages. No pari of this standard may be reproduced without the prior permission of Ref. No. DIN EN 10132-2 : 2000-0 hiDeutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, s the exclusive right of sale for German Standard

4、s (DIN-Normen). English price group 06 Sales No. 1106 10.00 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 Techn ical delivery conditions Part 2: Case hardening steels Feuillards la

5、mins froid pour traitement thermique - Conditions techniques de livraison - Partie 2: Aciers pour cmentation sthle Kaltband aus Stahl fr eine Wrmebehandlung - Technische Lieferbedingungen -Teil 2: Einsatz- This European Standard was approved by CEN on 2000-01 -03. CEN members are bound to comply wit

6、h the CENKENELEC 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 bibliographical references concerning such national stand- ards may be obtained on application to the Central Secretar

7、iat or to any CEN member. The European Standards exist 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

8、versions. CEN members are the national standards bodies of Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. CEN European Committee for Standardi

9、zation Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-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 10132-2 : 2000 E Page 2 EN 1 O1 32-2 : 2000 Con

10、tents Foreword 1 2 3 4 4.1 4.2 5 6 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 a 9 10 11 12 Scope Normative references Terms and definitions Classification and designation Classification Designation Information to be supplied by the purchaser Manufacturing process Requirements General Method of delivery Del i

11、ve ry condition Chemical composition Mechanical properties Structure Surface finish Dimensions and tolerances on dimensions and shape Inspection Sampling Test methods Labelling, packaging and protection Retests Annex A (informative): Reference values for Rockwell hardnesses for case hardening steels

12、 Annex B (informative): List of corresponding former national designations Page 3 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 6 6 6 6 6 6 6 9 9 Page 3 EN 10132-2 : 2000 Foreword This European Standard has been prepared by Technical Committee ECISSTTC 23 “Steels for heat treatment, alloy steels and free-cutting st

13、eels - Qualities and dimensions“, the secretariat of which 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

14、 latest by August 2000. This European Standard has been prepared 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

15、 essential safety requirement of a New Approach Directive and which make reference to this European Standard. According to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Repub

16、lic, Denmark, Finland, France, Germany, Greece, Iceland. Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. The European Standard EN 1 O1 32 “Cold rolled narrow steel strip for heat-treatment - Technical delivery conditions“ is subdivided as

17、 follows: Part 1 : General; Part 2: Case hardening steels; Part 3: Steels for quenching and tempering; Part 4: Spring steels and other special applications. Page 4 EN 1 O1 32-2 : 2000 1 Scope 1 .I This part of EN 1 O1 32 applies to non-alloy and alloy cold rolled narrow steel strip for case hardenin

18、g with thicknesses up to 1 O mm for general applications. 1.2 This EN 1 O1 32-2 is complemented by EN 1 O1 32-1. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate place

19、s 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 in it by amendment or revision. For undated references the latest edition of the publication referr

20、ed to applies. EN 1 0020, Definition and classification of grades of steel EN 1 O1 32-1 , Cold rolled narrow steel strip for heat treatment - Technical delivery condtions - Part 7: General 3 Terms and definitions For the purposes of this standard, the terms and definitions given in EN 1 O1 32-1 appl

21、y. 4 Classification and designation 4.1 Classification All steels covered by this European Standard are classified according to EN 10020. Steel grades C1 OE and C15E are non-alloy special steels, steel grades 16MnCr5 and 17Cr3 are alloy special steels. 4.2 Designation See EN 10132-1. 5 Information t

22、o be supplied by the purchaser See EN 10132-1. 6 Manufacturing process See EN 10132-1 Page 5 EN 1 O1 32-2 : 2000 7 Requirements 7.1 General See EN 1 O1 32-1. 7.2 Method of delivery See EN 10132-1. 7.3 Delivery condition Cold rolled narrow steel strip covered by EN 1 O1 32-2 shall be supplied in one

23、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 specified in table 1 for the cast analysis. 7.4.2 Product analysis In cases where

24、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 with the values given in table 3. NOTE For those customers who specify Rockwell

25、 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 1 O1 32-1. Page 6 EN 1 O1 32-2 : 2000 7.7 Surface finish The surface finish of col

26、d 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 Sampling See EN 1 O1 32-1. 1 O Test methods See EN 10132-1. 11 Labelling, packaging and pro

27、tection See EN 10132-1. 12 Retests See EN 10132-1. Page 7 EN 1 O1 32-2 : 2000 I Steel designation name 1 number Table 1 - Steel grades and chemical composition a (cast analysis) % by mass C Mn S 12. I ClOE C15E 16MnCr5 17Cr3 1.1121 0,07 to 0,13 0,40 0,30 to 0,60 0,035 0,035 1,1141 0,12to0,18 0,40 0,

28、30to0,60 0,035 0,035 1.7131 0,14to0,19 0,40 1,OOto 1,30 0,035 0,035 1.7016 0,14 to0,20 0,40 0,60 to0,90 0,035 0,035 Cr Element C max. 0,40 max. 0,40 0,80 to 1,lO 0,70 to 1 ,O0 Permissible maximum content in the cast analysis % by mass Permissible deviation a o/o by mass c 0,20 f 0,02 a Elements not

29、quoted in this 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 aff

30、ect the mechanical properties and application. Mn P Table 2 - Permissible deviations between the product analysis and the limiting values given in table 1 for the cast analysis 1.00 i 1,30 i 0,05 c 0,035 + 0,005 S Cr I si I s 0,40 I + 0,03 s 0,035 + 0,005 i 0,40 + 0,03 0,40 1,lO I 0,04 a i means tha

31、t 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 1 O1 32-2 : 2000 C1 OE C15E Table 3 - Mechanical properties and hardness requirements 1.1121 345 430 26 1.1141 360 450 25 Steel designation

32、delivery condition I 16MnCr5 17Cr3 annealed (+A) or annealed and skin 1 cold roiled (+CR) passed (+LC) 1.7131 420 550 21 1.701 6 420 550 21 ot-+- 170 a The customer may speciy hardness or tensile values but not both. if neither is specified then tensile values shall apply. Values apply to thicknesse

33、s 0,30 mm 5 tc 3,OO mm. For thicker strip, the values for the mechanical properties shall be agreed at the tirne of enquiry and order. For material supplied in the cold roiled condition, a range of 150 N/mm2 or 50 HV shall apply, e.g. 650 Nimm2 to 800 Nimm2 or e.g. 150 HV to 200 HV. R, 0,2%-Proof st

34、rength; R, Tensile strength; A, Elongation on a gauge length of 80 rnrn; HV Vickers hardness. Cold roiled condition may be supplied on request. in this case, the mechanical properties shall be agreed at the time of enquiry and order. d e Page 9 EN 1 O1 32-2 : 2000 name number C1OE 1.1121 C15E 1.1141

35、 16MnCr5 1.7131 17Cr3 1:7016 Annex A (informative) Germany France United Finland Italy Kingdom name number CklO 1.1121 XC10 cs12 c10 Ck15 1.1141 - CS 17 505 C15 16MnCr5 1.7131 16MC5 - 16MnCr5 17Cr3 1.7016 - Reference values for Rockwell hardnesses for case hardening steels Table A.l - Rockwell hardn

36、ess values a Steel designation delivery condition 16MnCr5 17Cr3 and skin passed (+LC) 1.1121 1.1141 I 76 17131 84 1.7016 84 For thicknesses less than those allowed in EN 10109- 1, the scale of Rockwell hardness shall be agreed at the time of enquiry and order. L HRB Rockwell hardness (scale B). Annex B (informative) List of corresponding former national designations Table B.l - List of corresponding former designations Steel designation according to EN 1 O1 32-2: 1999 Comparable former steel designation in Spain ClOk C16k 16MnCr5-