EN 4291-2005 en Aluminium alloy AL-P8090 Forging stock《航空航天系列 铝合金AL-P8090 锻造坯料》.pdf

1、BRITISH STANDARD AEROSPACE SERIES BS EN 4291:2005 Aluminium alloy AL-P8090 Forging stock The European Standard EN 4291:2005 has the status of a British Standard ICS 49.025.20 BS EN 4291:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 6 O

2、ctober 2005 BSI 6 October 2005 ISBN 0 580 46318 4 National foreword This British Standard is the official English language version of EN 4291:2005. The UK participation in its preparation was entrusted by Technical Committee ACE/61, Metallic materials for aerospace purposes, to Subcommittee ACE/61/-

3、/24, Light alloys, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI

4、 Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for i

5、ts correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests

6、informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover. The BSI copyright notice displayed in this document

7、indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN4291 June2005 ICS49.025.20 Englishversion AerospaceseriesAluminiumalloyALP8090Forgingstock SriearospatialeAlliagedaluminiumALP8090 Produitsdestinsla

8、forge LuftundRaumfahrtAluminiumlegierungALP8090 Schmiedevormaterial ThisEuropeanStandardwasapprovedbyCENon22April2005. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelis

9、tsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguage

10、andnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,

11、Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2005CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No

12、.EN4291:2005:EEN 4291:2005 2 Foreword This document (EN 4291:2005) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval

13、of the National Associations and the Official Services of the member countries of AECMA, 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 December 2005, and confli

14、cting national standards shall be withdrawn at the latest by December 2005. 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

15、to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, L

16、uxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4291:2005 3 Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is des

17、cribed in EN 4258. This standard has been prepared in accordance with EN 4500-2. 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-P8090- Forging stock for aerospace application. 2 Normative references The following referenced documents are indispensable for the applic

18、ation of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2082-2, Aerospace series Aluminium alloy forging stock and forgings Technical specification Part 2: Forging stock

19、. EN 4258, Aerospace series Metallic materials General organization of standardization Links between types of EN standards and their use. EN 4500-2, Aerospace series Metallic materials Rules for drafting and presentation of material standards Part 2: Specific rules for aluminium, aluminium alloys an

20、d magnesium alloys. 1)EN 6018, Aerospace series Test methods for metallic materials Determination of density according to displacement method. 1) 1) Published as AECMA Prestandard at the date of publication of this standard. 4 1 Material designation Aluminium alloy AL-P8090- Others Element Si Fe Cu

21、Mn Mg Cr Zn Li Zr Ti Each Total Al min. 1,0 0,6 2,2 0,04 2 Chemical composition % max. 0,20a0,30a1,6 0,10 1,3 0,10 0,25 2,7 0,16 0,10 0,05a0,15 Base 3 Method of melting 4.1 Form Ingot or billet 4.2 Method of production Cast 4.3 Limit dimension(s) mm a or D 500 5 Technical specification EN 2082-2 Del

22、ivery condition O3 6.1 Heat treatment 6.2 Delivery condition code U Use condition O3 7 Heat treatment Delivery condition Characteristics 8.1 Test sample(s) Forged bar b8.2 Test piece(s) See EN 2082-2. 8.3 Heat treatment T89 (See line 29) 9 Dimensions concerned mm 10 Thickness of cladding on each fac

23、e % 11 Direction of test piece L LT ST 12 Temperature C Ambient Ambient Ambient 13 Proof stress R p0,2 MPa 330 c 305 c 300 c14 Strength R mMPa 430 c 420 c 380 c15 Elongation A % 3 c 3 c 1 c16 T Reduction of area Z % 17 Hardness 18 Shear strength R cMPa 19 Bending k 20 Impact strength 21 Temperature

24、C 22 Time h 23 Stress a MPa 24 Elongation a % 25 Rupture stress R MPa 26 C Elongation at rupture A % 27 Notes (see line 98) a, b, c EN 4291:2005 5 29 Reference heat treatment Delivery condition + hand forged + 525 C 535 C / WQ 35 C + 2 % cold deformed 5 % + 170 C 185 C / 20 h t 30 h 34 Grain size G

25、0,5 44 External defects See EN 2082-2. 61 Internal defects See EN 2082-2. 68 Density 1EN 6018 2The “capability clause“ applies 7 2,56 kg/dm 395 Marking inspection See EN 2082-2. 96 Dimensional inspection See EN 2082-2. 98 Notes a Chemical analyses taken from the molten metal stream shall exhibit the

26、 following maximum impurity levels: Fe 0,06 %, Si 0,06 %, Na 9 ppm., Ca 120 ppm. b Forging dimensions and manufacturing parameters shall be as agreed between ingot supplier and forgemaster. c The “capability clause“ applies. 99 Typical use EN 4291:2005 6 100 Product qualification Qualification progr

27、amme to be agreed between manufacturer and purchaser. EN 4291:2005 blankBS EN 4291:2005 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at t

28、he international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and ser

29、vices. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers m

30、embers an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44

31、(0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Informatio

32、n on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the I

33、nformation Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administ

34、ration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Information regarding online access to British Standards via British Standards Online can be found at http:/www.bsi- Further information about BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright

35、 subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or

36、by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-.