1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Aerospace series - Steel FE-PA18 - Quenched and cold drawn - Wire for spring - D 4,0 mmBS EN 2541:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2541 August 2018 ICS 49.025.10 English Version Aerospace series
2、- Steel FE-PA18 - Quenched and cold drawn - Wire for spring - D 4,0 mm Srie arospatiale - Acier FE-PA18 - Trempe et tir froid - Fils pour ressort - D 4,0 mm Luft- und Raumfahrt - Stahl FE-PA18 - Abgeschreckt und kaltgezogen - Drhte fr Feder - D 4,0 mm This European Standard was approved by CEN on 20
3、 May 2018. 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-to-date lists and bibliographical references concerning such national standards may be ob
4、tained on application to the CEN-CENELEC 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
5、CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Irela
6、nd, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Managem
7、ent Centre: Rue de la Science 23, B-1040 Brussels 2018 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2541:2018 ENational forewordThis British Standard is the UK implementation of EN 2541:2018.The UK participation in its preparati
8、on was entrusted to Technical Committee ACE/61/-/15, Steels for Aerospace Purposes.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its
9、correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 99834 8ICS 49.025.10Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and S
10、trategy Committee on 31 August 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 2541:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2541 August 2018 ICS 49.025.10 English Version Aerospace series - Steel FE-PA18 - Quenched and cold drawn - Wire for
11、 spring - D 4,0 mm Srie arospatiale - Acier FE-PA18 - Trempe et tir froid - Fils pour ressort - D 4,0 mm Luft- und Raumfahrt - Stahl FE-PA18 - Abgeschreckt und kaltgezogen - Drhte fr Feder - D 4,0 mm This European Standard was approved by CEN on 20 May 2018. CEN members are bound to comply with the
12、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 the CEN-CENELEC Management
13、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-CENELEC Management Centre has the same status as
14、 the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Net
15、herlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 20
16、18 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2541:2018 EBS EN 2541:2018EN 2541:2018 (E) 2 Contents Page European foreword 3 Introduction 4 1 Scope 5 2 Normative references 5 3 Terms and definitions . 5 4 Requirements . 5 BS E
17、N 2541:2018EN 2541:2018 (E) 3 European foreword This document (EN 2541:2018) 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 receive
18、d 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 identical text or by endorsement, at the latest by February 201
19、9, and conflicting national standards shall be withdrawn at the latest by February 2019. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. According to
20、 the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece
21、, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. BS EN 2541:2018EN 2541:2018 (E) 4 Introduction This European Standard is part of the series of
22、EN metallic material standards for aerospace applications. The general organization of this series is described in EN 4258. This European Standard has been prepared in accordance with EN 4500-005. BS EN 2541:2018EN 2541:2018 (E) 5 1 Scope This European Standard specifies the requirements relating to
23、: Steel FE-PA18 Quenched and cold drawn Wire for spring D 4,0 mm for aerospace applications. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition ci
24、ted applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2032-001, Aerospace series Metallic materials Part 001: Conventional designation EN 2032-2, Aerospace series Metallic materials Part 2: Coding of metallurgical condition in deliv
25、ery condition EN 4258, Aerospace series Metallic materials General organization of standardization Links between types of EN standards and their use EN 4500-005, Aerospace series Metallic materials Rules for drafting and presentation of material standards Part 005: Specific rules for steels EN 4700-
26、004, Aerospace series Steel and heat resisting alloys Wrought products Technical specification Part 004: Wire 3 Terms and definitions No terms and definitions are listed in this document. ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electro
27、pedia: available at http:/www.electropedia.org/ ISO Online browsing platform: available at http:/www.iso.org/obp 4 Requirements The requirements for steel FE-PA18 are given in Table 1. BS EN 2541:2018EN 2541:2018 (E) 6 Table 1 Requirements for steel FE-PA18 1 Material designation Steel FE-PA18 2 Che
28、mical composition % Element C Si Mn P S Cr Ni Fe min. 17,0 7 Rem. max. 0,15 1,5 2,0 0,035 0,025 20,0 10 3 Method of melting Air melted 4.1 Form Wire for spring 4.2 Method of production Cold drawn 4.3 Limit dimension(s) mm D 4,0 mm 5 Technical specification EN 4700-004 6.1 Delivery condition Quenched
29、 and cold drawn Heat treatment 1 050 C 1 100 C/WQ or AQ + Cold drawn 6.2 Delivery condition code U 7 Use condition Heat treatment As delivered Characteristics 8.1 Test sample(s) 8.2 Test piece(s) 8.3 Heat treatment In the delivery condition 9 Dimensions concerned mm* 0,2 0,2 D 0,4 0,4 D 0,7 0,7 D 1,
30、0 1,0 D 2,8 2,8 D 4,0 10 Thickness of cladding on each face % 11 Direction of test piece 12 T Temperature C Ambient 13 Proof stress Rp0,2 MPa* 14 Strength Rm MPa* 2 150 Rm 2 400 2 050 Rm 2 350 1 950 Rm 2 250 1 850 Rm 2 150 1 550 Rm 1 850 1 450 Rm 1 800 15 Elongation A % 16 Reduction of area Z % 17 H
31、ardness 18 Shear strength Rc MPa* 19 Bending k 20 Impact strength 21 C Temperature C 22 Time h 23 Stress a MPa* 24 Elongation a % 25 Rupture stress R MPa* 26 Elongation at rupture A % 27 Notes (see line 98) * BS EN 2541:2018EN 2541:2018 (E) 7 28 36 Reverse torsion test for wires r = 3 D: Reverse ben
32、d number Nb = 5 for 0,7 mm De 4,0 mm 43 Wrapping test for wires A sample of 500 mm in length in wrapped in closely spaced turns around a pin of a diameter being three (3) times the nominal diameter of the wire but at least 1 mm. The spring produced in this way shall be expanded successively to five
33、(5) times and 10 times its original length. After elastic recovery the turns shall be regularly spaced and no splinters or cracks shall be found. For wire D 1,5 mm in diameter at least three (3) samples (per lot) 100 times the diameter in length are twisted two (2) turns in one (1) direction and two
34、 (2) turns backwards. Thereafter no splits or other imperfections shall be found with the nacked eye. 95 Marking inspection 96 Dimensional inspection 98 Notes *1 MPa = 1 N/m.99 Typical use Locking pins for turnbuckles of control cables, springs. BS EN 2541:2018EN 2541:2018 (E) 8 100 Product qualific
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