EN 2221-2017 Aerospace series - Steel FE-PL31 - Hardened and tempered - Hollow bars - 3 5 mm a 55 mm.pdf

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1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Aerospace series Steel FE-PL31 Hardened and tempered Hollow bars 3,5 mm a 55 mmBS EN 2221:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2221 December 2017 ICS 49.025.10 English Version Aerospace series - Stee

2、l FE-PL31 - Hardened and tempered - Hollow bars - 3,5 mm a 55 mm Srie arospatiale - Acier FE-PL31 - Tremp et revenu -bauches tubulaires - 3,5 mm a 55 mm Luft- und Raumfahrt - Stahl FE-PL31 - Gehrtet und Angelassen - Profilrohre - 3,5 mm a 55 mm This European Standard was approved by CEN on 4 Septemb

3、er 2017. 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 obta

4、ined 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 CE

5、N-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, Ireland

6、, 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 Managemen

7、t Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2221:2017 ENational forewordThis British Standard is the UK implementation of EN 2221:2017.The UK participation in its preparation was

8、 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 correc

9、t application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 98921 6ICS 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 Strateg

10、y Committee on 28 February 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 2221:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2221 December 2017 ICS 49.025.10 English Version Aerospace series - Steel FE-PL31 - Hardened and tempered - Hollow bars

11、- 3,5 mm a 55 mm Srie arospatiale - Acier FE-PL31 - Tremp et revenu -bauches tubulaires - 3,5 mm a 55 mm Luft- und Raumfahrt - Stahl FE-PL31 - Gehrtet und Angelassen - Profilrohre - 3,5 mm a 55 mm This European Standard was approved by CEN on 4 September 2017. CEN members are bound to comply with th

12、e 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 Managemen

13、t 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

14、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, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, N

15、etherlands, 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: Avenue Marnix 17, B-1000 Brussels 2017

16、 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2221:2017 EBS EN 2221:2017EN 2221:2017 (E) 2 Contents Page European foreword 3 Introduction 4 1 Scope 5 2 Normative references 5 3 Requirements . 5 BS EN 2221:2017EN 2221:2017 (E) 3

17、European foreword This document (EN 2221:2017) 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 National

18、 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 June 2018 and conflicting national standar

19、ds shall be withdrawn at the latest by June 2018. 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 the CEN-CENELEC Internal Regulations,

20、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, Hungary, Iceland, Ireland, Italy, Lat

21、via, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 2221:2017EN 2221:2017 (E) 4 Introduction This European Standard is part of the series of EN metallic material standards for

22、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 2221:2017EN 2221:2017 (E) 5 1 Scope This European Standard specifies the requirements relating to: Steel FE-PL31 Hardened and temper

23、ed Hollow bars 3,5 mm a 55 mm for aerospace applications. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the late

24、st edition of the referenced document (including any amendments) applies. 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 mat

25、erial standards Part 005: Specific rules for steels EN 4700-002, Aerospace series Steel and heat resisting alloys Wrought products Technical specification Part 002: Bar and section 3 Requirements See Table 1. BS EN 2221:2017EN 2221:2017 (E) 6 Table 1 Requirements for steel FE-PL31 1 Material designa

26、tion Steel FE-PL31 2 Chemical composition % Element C Si Mn P S Cr Mo Ni min. 0,95 0,15 0,25 1,35 max. 1,10 0,35 0,45 0,030 0,020 1,65 0,40 3 Method of melting Air melted 4.1 Form 4.2 Method of production Hollow bars 4.3 Limit dimension(s) mm 3,5 mm a 55 mm 5 Technical specification EN 4500-005 6.1

27、Delivery condition Spherodised and cold rolled Spherodised Hardened and tempered Softened or hardened and tempered Heat treatment 830 C 870 C/OQ then 150 C 190 C Temper 6.2 Delivery condition code 7 Use condition Hardened and tempered Hardened and tempered Hardened and tempered Heat treatment Delive

28、ry condition then 830 C 870 C/OQ and then 150 C 190 C Temper Delivery condition 830 C 870 C/OQ then 150 C 190 C Temper Characteristics 8.1 Test sample(s) Disc: a = 10 mm 8.2 Test piece(s) Reference a8.3 Heat treatment See line 6.1. See line 6.1. Hardened and tempered See line 29. 9 Dimensions concer

29、ned mm 3,5 a 22 6 a 55 3,5 a 55 3,5 a 55 10 Thickness of cladding on each face % 11 Direction of test piece 12 T Temperature C 13 Proof stress Rp0,2 MPa* 14 Strength Rm MPa* 15 Elongation A % 16 Reduction of area Z % 17 Hardness HV 309 HV 218 HV 740 bHRC 61 HV 740 bHRC 61 18 Shear strength Rc MPa* 1

30、9 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) *, a, bBS EN 2221:2017EN 2221:2017 (E) 7 28 29 Reference heat treatment Hardened and tempered 830 C 10 C / OQ then temper 180 C

31、5 C 30 Microstructure Carbides shall be fine and non-aligned 95 Marking inspection 96 Dimensional inspection 98 Notes *1 MPa = 1 N/mm. aOptional test. bMethod to be used in case of conflict. 99 Typical use Bearings BS EN 2221:2017EN 2221:2017 (E) 8 100 Product qualification Qualification programme t

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