1、Aerospace seriesSteel FE-PL31 - Hardened and tempered - Hand and die forgingsBS EN 2222:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2222 December 2017 ICS 49.025.10 English Version Aerospace series - Steel
2、FE-PL31 - Hardened and tempered - Hand and die forgings Srie arospatiale - Acier FE-PL31 - Tremp et revenu -Pices forges et matrices Luft- und Raumfahrt - Stahl FE-PL31 - Gehrtet und Angelassen - Gesenk- und Freiformschmiedestcke This European Standard was approved by CEN on 11 September 2017. CEN m
3、embers 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 obtained on applic
4、ation 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 CEN-CENELEC Mana
5、gement 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, Italy, Latvi
6、a, 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 Management Centre: Aven
7、ue 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 2222:2017 ENational forewordThis British Standard is the UK implementation of EN 2222:2017.The UK participation in its preparation was entrusted to
8、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 correct application.
9、 The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 51223 0ICS 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 Strategy Committee o
10、n 30 April 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 2222:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2222 December 2017 ICS 49.025.10 English Version Aerospace series - Steel FE-PL31 - Hardened and tempered - Hand and die forgings Srie a
11、rospatiale - Acier FE-PL31 - Tremp et revenu -Pices forges et matrices Luft- und Raumfahrt - Stahl FE-PL31 - Gehrtet und Angelassen - Gesenk- und Freiformschmiedestcke This European Standard was approved by CEN on 11 September 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regul
12、ations 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 Centre or to any CEN membe
13、r. 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 the official versions. CE
14、N 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, Netherlands, Norway, Poland,
15、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 CEN All rights of exploitat
16、ion in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2222:2017 EBS EN 2222:2017EN 2222:2017 (E) 2 Contents Page European foreword 3 Introduction 4 1 Scope 5 2 Normative references 5 3 Requirements . 5 BS EN 2222:2017EN 2222:2017 (E) 3 European foreword This docum
17、ent (EN 2222:2017) 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 Associations and the Offici
18、al 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 standards shall be withdrawn at the
19、 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, the national standards organ
20、izations 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, Latvia, Lithuania, Luxembourg,
21、Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 2222:2017EN 2222:2017 (E) 4 Introduction This European Standard is part of the series of EN metallic material standards for aerospace applications. The
22、general organization of this series is described in EN 4258. This European Standard has been prepared in accordance with EN 4500-005. BS EN 2222:2017EN 2222:2017 (E) 5 1 Scope This European Standard specifies the requirements relating to: Steel FE-PL31 Hardened and tempered Hand and die forgings for
23、 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 latest edition of the referenced docu
24、ment (including any amendments) applies. EN 2157-2, Aerospace series Steel Forging stock and forgings Technical specification Part 2: Forging stock EN 4258, Aerospace series Metallic materials General organization of standardization Links between types of EN standards and their use EN 4500-005, Aero
25、space series Metallic materials Rules for drafting and presentation of material standards Part 005: Specific rules for steels 3 Requirements See Table 1. BS EN 2222:2017EN 2222:2017 (E) 6 Table 1 Requirements for steel FE-PL31 1 Material designation Steel FE-PL31 2 Chemical composition % Element C S
26、i 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 Hand and die forgings 4.2 Method of production 4.3 Limit dimension(s) mm 5 Technical specification EN 2157-2 6.1 Delivery condition Heat treatment Spheroidised 6.2 Delivery co
27、ndition code 7 Use condition Hardened and tempered Heat treatment 830 C 870 C/OQ Then temper 150 C 190 C Characteristics 8.1 Test sample(s) Disc: a = 10 mm 8.2 Test piece(s) Reference a8.3 Heat treatment Spheroidised Hardened and tempered See line 29. 9 Dimensions concerned mm 25 10 Thickness of cla
28、dding 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 HB 207 HV 740 bHRC 61 HV 740 bHRC 61 18 Shear strength Rc MPa*19 Bending k 20 Impact strength 21 C Temperature C 22 Time h 23 Stres
29、s a MPa*24 Elongation a % 25 Rupture stress R MPa*26 Elongation at rupture A % 27 Notes (see line 98) *, a, bBS EN 2222:2017EN 2222:2017 (E) 7 28 29 Reference heat treatment Hardened and tempered 830 C 10 C/OQ Then temper 180 C 5 C 30 Microstructure Carbides shall be fine and non-aligned 95 Marking
30、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 2222:2017EN 2222:2017 (E) 8 100 Product qualification Qualification programme to be agreed between manufacturer and purchaser. BS EN 2222:2017This page
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