1、BRITISH STANDARD BS EN 2318:1992 Aluminium alloy AL-P2024-T3511 Extruded bars and sections1,2mmk a or Dk 150mm The European Standard EN2318:1992 has the status of a British Standard UDC 669.715-42:629.7BSEN2318:1992 This British Standard, having been prepared under the directionof the Aerospace Stan
2、dards Policy Committee, waspublished under the authorityof the Standards Boardand comes into effect on 15November1992 BSI 11-1999 The following BSI references relate to the work on this standard: Committee reference ACE/24 Draft for comment 91/83247 DC ISBN 0 580 20624 6 Cooperating organizations Th
3、e European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries. Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk Standardiseringsraa
4、d Finland Suomen Standardisoimisliito,r.y. France Association franaise de normalisation Germany Deutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Iceland Ireland National Standards Authority of Ireland Italy Ente Nazionale Italiano
5、 di Unificazione Luxembourg Inspection du Travail et des Mines Netherlands Nederlands Normalisatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland
6、 Association suisse de normalisation United Kingdom British Standards Institution Amendments issued since publication Amd. No. Date CommentsBSEN2318:1992 BSI 11-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN 2318 3 National annex NA (info
7、rmative) Committees responsible Inside back cover National annex NB (informative) Cross-references Inside back coverBSEN2318:1992 ii BSI 11-1999 National foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is the English language versi
8、on of EN2318:1992 “Aerospace series Aluminium alloy AL-P2024-T3511 Extruded bars and sections1,2mmk a orDk 150mm”, published by the European Committee for Standardization (CEN). EN2318 was produced as a result of international discussion in which the UK took an active part. A British Standard does n
9、ot purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside
10、front cover, pages i and ii, theEN title page, pages2 to6, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EU
11、ROPISCHE NORM EN 2318 September1992 UDC 669.715-42:629.7 Key words: Aircraft industry, metal bars, metal sections, aluminium alloys, specifications, chemical composition, dimensions, characteristics English version Aerospace series Aluminium alloy AL-P2024-T3511 Extruded bars and sections1,2mmk a or
12、 Dk 150mm Srie arospatiale Alliage daluminium AL-P2024-T3511 Barresetprofils fils 1,2mmk a ou Dk 150mm Luft- und Raumfahrt Aluminiumlegierung AL-P2024-T3511 Stranggeprete Stangen und Profile 1,2mmk a oder Dk 150mm This European Standard was approved by CEN on1992-03-09. CEN members are bound to comp
13、ly 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 application to the Central Sec
14、retariat 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 Central Secretariat has the same status as the off
15、icial versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CEN European Committee for Standardization Comit Europen de
16、Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1992 Copyright reserved to CEN members Ref. No. EN2318:1992 EEN2318:1992 BSI 11-1999 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA
17、). After inquiries and votes carried out in accordance with the rules of this Association, this Standard has successively received the approval 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 g
18、iven the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March1993, and conflicting national standards shall be withdrawn at the latest by March1993. In accordance with the Common CEN/CENELEC Rules the following countries are bound to imp
19、lement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. Contents Page Foreword 2 0 Introduction 3 1 Scope 3 2 References 3EN2318:1992 BSI 11-1999 3 0
20、Introduction For the use of this standard, seeEN2500-2. 1 Scope This standard specifies the requirements relating to extruded bars and sections in aluminium alloy AL-P2024-, for use in theT3511 condition, 1,2mmk a orDk 150mm, for aerospace applications. This standard may also be used to supply mater
21、ial in the T3510condition, if the purchaser specifies this condition on the order. In this case the designation of line97 shall not be used. 2 References This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the
22、 appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the
23、publication referred to applies. EN 2047, Beaded L-section aluminium alloy extrusionsDimensionsAerospace series 1) . EN 2048, L-section aluminium alloy extrusionsDimensionsAerospace series 1) . EN 2049, Channel section aluminium alloy extrusionsDimensionsAerospace series 1) . EN 2050, T-section alum
24、inium alloy extrusionsDimensionsAerospace series 1) . EN 2070-3, Aerospace seriesAluminium and aluminium alloy wrought productsTechnical specificationPart 3Bars and sections. EN 2134, Round aluminium alloy barsDimensionsAerospace series 1) . EN 2341, Aluminium and aluminium alloy square and rectangu
25、lar extruded bars Dimensions Aerospace series 1) . EN 2500-2, Aerospace seriesInstructions for the drafting and use of metallic material standards Part2Specific requirements for aluminium, aluminium alloys and magnesium alloys 2) . EN 2600, Aerospace seriesDesignation of metallic semi-finished produ
26、ctsRules 2) . 1) Published as AECMA standard at the date of publication of this standard. 2) Published as AECMA pre-standard at the date of publication of this standard.EN2318:1992 4 BSI 11-1999 1 Material designation Aluminium alloy AL-P2024- 2 Chemical composition Element Si Fe Cu Mn Mg Cr Zn Ti+Z
27、r Ti Others Each Total Al % min. 3,8 0,30 1,2 Base max. 0,50 0,50 4,9 0,9 1,8 0,10 0,25 0,20 0,15 0,05 0,15 3 Method of melting 4 Form Method of production Limit dimensions (mm) Bars and sections Extruded 1,2k a or Dk 150 5 5.1 Technical specification EN 2070-3 5.2 Dimensional standards EN 2047, EN
28、2048, EN 2049, EN 2050, EN 2134, EN 2341 6 6.1 Delivery condition and heat treatment T3511 490 CkFk 500 C/WQFk 40 C +1%k stretchedk 3% and minor straightening allowable +F =ambient/tU 5d 6.2 Delivery condition code U 7 Use condition and heat treatment T3511 Delivery condition Characteristics 8 Sampl
29、e Test piece Heat treatment Use condition: T3511 9 Dimensions concerned mm 1,2ak2,0 2,0ak10 10a or Dk25 25a or Dk75 75aorDk100 1) 100a or D k 150 1) 10 Thickness of cladding on each face % 11 Direction of test piece L 12 T Temperature F C Ambient temperature 13 Proof stress R p0,2 MPa U 330 U 340 U
30、340 U 350 U 345 U 325 14 Strength R m MPa U 440 U 460 U 460 U 480 U 470 U 450 15 Elongation A % U 12 2) U 11 3) U 10 U 10 U 10 U 8 16 Reduction of area Z % 17 Hardness 18 Shear strength R c MPa 19 Bending k 20 Impact strength 21 Temperature F C 22 C Time h 23 Stress a MPa 24 Elongation a % 25 Ruptur
31、e stress R MPa 26 Elongation at rupture A % 27 Notes (see line 98) 1), 2), 3)EN2318:1992 BSI 11-1999 5 44 External defects See EN 2070-3 51 Macrostructure 7 Back end defects: see EN2070-3 61 Internal defects See EN2070-3 82 Batch uniformity 1 See EN2070-3 7 Electrical conductivity =18MS/m(typical va
32、lue) or 7 Hardness 120HB(typical value) k16HB per product %k24HB per batch 97 Designation For extruded bars, see EN2600. For extruded sections, see relevant drawing. 98 Notes 1) Bar only 2) or A 50mm U 11% 3) A 50mm U 10% 99 Typical use 6 blankBSEN2318:1992 BSI 11-1999 National annex NA (informative
33、) Committees responsible The United Kingdom participation in the preparation of this European Standard was entrusted by the Aerospace Standards Policy Committee (ACE/-) to Technical Committee ACE/24 upon which the following bodies were represented. Aluminium Federation Aluminium Stockholders Associa
34、tion Association of Light Alloy Refiners Limited BNF Metals Technology Centre British Forging Industry Association British Industrial Fasteners Federation British Investment Casting Trade Association Institute of British Foundrymen Light Metal Founders Association Magnesium Industry Council Ministry
35、 of Defence Society of British Aerospace Companies Limited National annex NB (informative) Cross-references The British Standards corresponding to the European Standards referred to in the text are identical in number and title with those given in clause2, with the exception of EN2047, EN2048, EN204
36、9, EN2050, EN2134, EN2341, EN2500-2 and EN2600 for which no corresponding British Standards exist.BS EN 2318:1992 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standa
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