1、BS EN 2543:2009Aerospace series Steel FE-PL1502(25CrMo4) Annealed Sheet and strip 0,3mm a 2 mm Forprevailing torque nutsICS 49.025.10BRITISH STANDARDNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWThis British Standard was published under the authority of the Standards Policy a
2、nd Strategy Committee on 31 July2009 BSI 2009ISBN 978 0 580 65949 2Amendments/corrigenda issued since publicationDate CommentsBS EN 2543:2009National forewordThis British Standard is the UK implementation of EN 2543:2009. The UK participation in its preparation was entrusted to TechnicalCommittee AC
3、E/61/-/15, Steels.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application. Compliance with a British Standard cannot conf
4、er immunityfrom legal obligations.BS EN 2543:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2543 March 2009 ICS 49.025.10 English Version Aerospace series - Steel FE-PL1502 (25CrMo4) - Annealed - Sheet and strip - 0,3 mm a 2 mm - For prevailing torque nutsSrie arospatiale - Acier FE-PL1502
5、 (25CrMo4) - Recuit -Tles et bandes - 0,3 mm a 2 mm - Pour crous freinage interne par dformation Luft- und Raumfahrt - Stahl FE-PL1502 (25CrMo4) - Geglht - Bleche und Bnder - 0,3 mm a 2 mm - Fr klemmende Sicherungsmuttern This European Standard was approved by CEN on 18 October 2008. CEN members are
6、 bound to comply with the CEN/CENELEC 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 standards may be obtained on application to t
7、he CEN 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 translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same
8、 status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Ro
9、mania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reserve
10、d worldwide for CEN national Members. Ref. No. EN 2543:2009: EBS EN 2543:2009EN 2543:2009 (E) 2 Foreword This document (EN 2543:2009) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with
11、 the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identi
12、cal text or by endorsement, at the latest by September 2009, and conflicting national standards shall be withdrawn at the latest by September 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be he
13、ld responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finlan
14、d, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 2543:2009EN 2543:2009 (E) 3 Introduction This standard is part of the serie
15、s of EN metallic material standards for aerospace applications. The general organization of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-5. 1 Scope This standard specifies the requirements relating to: Steel FE-PL1502 (25CrMo4) Annealed Sheet and st
16、rip 0,3 mm a 2 mm For prevailing torque nuts for aerospace applications. 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 references, the latest edition of the reference
17、d document (including any amendments) applies. EN 2033, Aerospace series Strips, cold rolled in steel Thickness 0,1 mm a 2,5 mm Dimensions. 1)EN 2600, Aerospace series Designation of metallic semi-finished products Rules. Error! Bookmark not defined.) EN 4258, Aerospace series Metallic materials Gen
18、eral organization of standardization Links between types of EN standards and their use. EN 4500-5, Aerospace series Metallic materials Rules for drafting and presentation of material standards Part 5: Specific rules for steels. Error! Bookmark not defined.) EN 4700-1, Aerospace series Steel and heat
19、 resisting alloys Wrought products Technical specification Part 1: Plate, sheet and strip. 2) 1) Published as ASD Standard at the date of publication of this standard. 2) Published as ASD Prestandard at the date of publication of this standard. BS EN 2543:2009EN 2543:2009 (E) 4 1 Material designatio
20、n Steel FE-PL1502 (25CrMo4) 2 Chemical composition % Element C Si Mn P S Cr Mo Ni Fe min. 0,22 0,10 0,50 0,90 0,15 Base max. 0,29 0,35 0,80 0,020 0,015 1,20 0,25 0,30 3 Method of melting Air melted 4.1 Form Sheet and strip 4.2 Method of production 4.3 Limit dimension(s) mm 0,3 a 2 5 Technical specif
21、ication EN 4700-1 6.1 Delivery condition Annealed Heat treatment 6.2 Delivery condition code U 7 Use condition Delivery condition Heat treatment Characteristics 8.1 Test sample(s) See EN 4700-1. 8.2 Test piece(s) 8.3 Heat treatment Annealed Reference on a washer a 2 mm (see line 95) 9 Dimensions con
22、cerned mm 0,3 a 2 10 Thickness of cladding on each face % 11 Direction of test piece 12 T Temperature C Ambient 13 Proof stress Rp0,2MPa* 14 Strength RmMPa* 15 Elongation A % 16 Reduction of area Z % 17 Hardness HV5 150 390 HV5 430 18 Shear strength RcMPa* 19 Bending k 20 Impact strength 21 C Temper
23、ature C 22 Time h 23 Stress aMPa* 24 Elongation a % 25 Rupture stress RMPa* 26 Elongation at rupture A % 27 Notes (see line 98) * BS EN 2543:2009EN 2543:2009 (E) 5 29 Reference heat treatment Step quenched in a salt bath 850 C 860 C+ Salt bath quenched 365C / AC or other equivalent heat treatment 44
24、 External defects See EN 4700-1. 59 Carburization and See EN 4700-1. decarburization 5 See line 29. 7 The material shall be free from carburization. Total decarburization shall not be present and partial decarburization shall not exceed 5 % of the thickness on each face with a maximum depth of 0,2 m
25、m on each face. 95 Marking inspection See EN 4700-1. 96 Dimensional inspection See EN 2033. 97 Designation The rules governing the designation of semi-finished products are indicated in standard EN 2600. When the codified designation is used, the identification code shall be as follows: EN2543 U XX
26、-Material standard number Letter code (see 6.2) Appropriate dimensional standard code (see 5.3) Data concerning dimension (see EN 2600) 98 Notes * 1 MPa = 1 N/mm2.99 Typical use Low alloy steel for nuts. BS EN 2543:2009EN 2543:2009 (E) 6 100 Product qualification Qualifcation programe to be agred be
27、twen manufacturer and purchaser. BS EN 2543:2009This page has been intentionally left blankBS EN2543:2009BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 - British Standards InstitutionBSI is the independent national body responsible for prepar
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