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
32、o be agreed between manufacturer and purchaser. BS EN 2221:2017This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charte
33、r. British Standards and other standardization products are published by BSI Standards Limited.British Standards Institution (BSI)About usWe bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solution
34、s.The knowledge embodied in our standards has been carefully assembled in a dependable format and refined through our open consultation process. Organizations of all sizes and across all sectors choose standards to help them achieve their goals.Information on standardsWe can provide you with the kno
35、wledge that your organization needs to succeed. Find out more about British Standards by visiting our website at or contacting our Customer Services team or Knowledge Centre.Buying standardsYou can buy and download PDF versions of BSI publications, including British and adopted European and interna
36、tional standards, through our website at where hard copies can also be purchased.If you need international and foreign standards from other Standards Development Organizations, hard copies can be ordered from our Customer Services team.Copyright in BSI publicationsAll the content in BSI publication
37、s, including British Standards, is the property of and copyrighted by BSI or some person or entity that owns copyright in the information used (such as the international standardization bodies) and has formally licensed such information to BSI for commercial publication and use.Save for the provisio
38、ns below, you may not transfer, share or disseminate any portion of the standard to any other person. You may not adapt, distribute, commercially exploit, or publicly display the standard or any portion thereof in any manner whatsoever without BSIs prior written consent.Storing and using standardsSt
39、andards purchased in soft copy format: A British Standard purchased in soft copy format is licensed to a sole named user for personal or internal company use only. The standard may be stored on more than 1 device provided that it is accessible by the sole named user only and that only 1 copy is acce
40、ssed at any one time. A single paper copy may be printed for personal or internal company use only. Standards purchased in hard copy format: A British Standard purchased in hard copy format is for personal or internal company use only. It may not be further reproduced in any format to create an addi
41、tional copy. This includes scanning of the document.If you need more than 1 copy of the document, or if you wish to share the document on an internal network, you can save money by choosing a subscription product (see Subscriptions).Reproducing extractsFor permission to reproduce content from BSI pu
42、blications contact the BSI Copyright & Licensing team.SubscriptionsOur range of subscription services are designed to make using standards easier for you. For further information on our subscription products go to British Standards Online (BSOL) youll have instant access to over 55,000 British and
43、adopted European and international standards from your desktop. Its available 24/7 and is refreshed daily so youll always be up to date.You can keep in touch with standards developments and receive substantial discounts on the purchase price of standards, both in single copy and subscription format,
44、 by becoming a BSI Subscribing Member.PLUS is an updating service exclusive to BSI Subscribing Members. You will automatically receive the latest hard copy of your standards when theyre revised or replaced.To find out more about becoming a BSI Subscribing Member and the benefits of membership, pleas
45、e visit a Multi-User Network Licence (MUNL) you are able to host standards publications on your intranet. Licences can cover as few or as many users as you wish. With updates supplied as soon as theyre available, you can be sure your documentation is current. For further information, email .Revisio
46、nsOur British Standards and other publications are updated by amendment or revision. We continually improve the quality of our products and services to benefit your business. If you find an inaccuracy or ambiguity within a British Standard or other BSI publication please inform the Knowledge Centre.
47、Useful ContactsCustomer ServicesTel: +44 345 086 9001Email (orders): Email (enquiries): SubscriptionsTel: +44 345 086 9001Email: Knowledge CentreTel: +44 20 8996 7004Email: Copyright & LicensingTel: +44 20 8996 7070Email: BSI Group Headquarters389 Chiswick High Road London W4 4AL UKNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW
