1、BS EN 2446:2008ICS 49.025.10NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Steel FE-PL1503 (35CrMo4) 1 100 MPa null Rm null 1 300 MPa Bars De null 25 mmLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 01/12/2009 06:28, Uncontrolled Copy,
2、(c) BSIThis British Standardwas published underthe authority of theStandards Policy andStrategy Committee on 30September 2009 BSI 2009ISBN 978 0 580 63179 5Amendments/corrigenda issued since publicationDate CommentsBS EN 2446:2008National forewordThis British Standard is the UK implementation of EN
3、2446:2008.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/61, Metallic materials for aerospace purposes.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 prov
4、isionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 01/12/2009 06:28, Uncontrolled Copy, (c) BSIBS EN 2446:2008EUROPEAN STANDARD NORME EUROPENNE E
5、UROPISCHE NORM EN 2446 November 2008 ICS 49.025.10 English Version Aerospace series - Steel FE-PL1503 (35CrMo4) - 1 100 MPa Rm 1 300 MPa - Bars - De 25 mm Srie arospatiale - Acier FE-PL1503 (35CrMo4) - 1 100 MPa Rm 1 300 MPa - Barres - De 25 mm Luft- und Raumfahrt - Stahl FE-PL1503 (35CrMo4) - 1 100
6、 MPa Rm 1 300 MPa - Stangen - De 25 mm This European Standard was approved by CEN on 24 August 2008. CEN members are 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
7、-to-date lists and bibliographical references concerning such national standards may be obtained on application to the 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 u
8、nder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greec
9、e, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Managemen
10、t Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2446:2008: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 01/12/2009 06:28, Uncontrolled Copy, (c) BSIBS EN 2446:2008EN 244
11、6:2008 (E) 2 Foreword This document (EN 2446:2008) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the Nati
12、onal 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 identical text or by endorsement, at the latest by May 2009, and conflicting national sta
13、ndards shall be withdrawn at the latest by May 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 held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Inte
14、rnal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Ma
15、lta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 01/12/2009 06:28, Uncontrolled Copy, (c) BSIBS EN 2446:2008EN 2446:2008 (E) 3 Introduction This standard is part of the s
16、eries 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-PL1503 (35CrMo4) 1 100 MPa Rm 1 30
17、0 MPa Bars De 25 mm 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 referenced document (including any
18、 amendments) applies. EN 4258, Aerospace series Metallic materials General 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. 1)
19、 EN 4700-2, Aerospace series Steel and heat resisting alloys Wrought products Technical specification Part 2: Bar and section. 1) EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts. 1) Published as ASD Prestandard at the date of publication of t
20、his standard. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 01/12/2009 06:28, Uncontrolled Copy, (c) BSIBS EN 2446:2008EN 2446:2008 (E) 4 1 Material designation Steel FE-PL1503 (35CrMo4) Element C Si Mn P S Cr Mo Ni Fe min. 0,30 0,15 0,50 0,90 0,15 2 Chemical composition % max. 0,37 0,40 0,
21、80 0,025 0,020 1,20 0,30 0,40 Base 3 Method of melting Air melted 4.1 Form Bars 4.2 Method of production 4.3 Limit dimension(s) mm De 25 5 Technical specification EN 4700-2 Delivery condition Softened Hardened and tempered 6.1 Heat treatment 840 C 860 C / OQ + Temper 530 C 6.2 Delivery condition cod
22、e A U Use condition Hardened and tempered Hardened and tempered 7 Heat treatment Delivery condition + 840 C 860 C / OQ + Temper 530 C Delivery condition Characteristics 8.1 Test sample(s) See EN 4700-2. 8.2 Test piece(s) See EN 4700-2. 8.3 Heat treatment Softened Hardened and tempered Reference aSee
23、 line 29 Bar: D = 16 mm 9 Dimensions concerned mm 25 10 Thickness of cladding on each face % 11 Direction of test piece 12 Temperature C Ambient 13 Proof stress Rp0,2MPa* 930 930 14 Strength RmMPa* 1 100 Rm 1 300 1 100 Rm 1 300 15 Elongation A % 10 10 16 T Reduction of area Z % 17 Hardness HB 217 HV
24、 228 b331 HB 388 350 HV 408 b331 HB 388 18 Shear strength RcMPa* 19 Bending k 20 Impact strength KV J 25 25 21 Temperature C 22 Time h 23 Stress aMPa* 24 Elongation a % 25 Rupture stress RMPa* 26 C Elongation at rupture A % 27 Notes (see line 98) a, bLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STAND
25、ARDS, 01/12/2009 06:28, Uncontrolled Copy, (c) BSIBS EN 2446:2008EN 2446:2008 (E) 5 29 Reference heat treatment Hardened and tempered + (850 10) C / OQ + Temper (550 5) C 31 Hardenability (Jominy test) Distance (mm) 5 9 15 25 40 HRC min. 48 45 40 32 28 HRC max. 57 56 53 48 43 95 Marking inspection S
26、ee EN 4700-2. 96 Dimensional inspection See EN 4700-2. 98 Notes * 1 MPa = 1 N/mm2. a Optional test. bHV for De 5 mm. 99 Typical use Low alloy general purpose steel. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 01/12/2009 06:28, Uncontrolled Copy, (c) BSIBS EN 2446:2008EN 2446:2008 (E) 6 10
27、0 Product qualification See EN 9133. Qualifcation programe to be agred betwen manufacturer and purchaser. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 01/12/2009 06:28, Uncontrolled Copy, (c) BSIBS EN 2446:2008This page has been intentionally left blankLicensed Copy: Wang Bin, ISO/EXCHANGE
28、 CHINA STANDARDS, 01/12/2009 06:28, Uncontrolled Copy, (c) BSIBS EN2446:2008BSI 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 preparing BritishStandards. It pres
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