1、BRITISH STANDARD AEROSPACE SERIES BS EN 2385:1992 Aluminium alloy AL-P7009-T74511 Extruded bars and sections a or Dk 125mm The European Standard EN 2385:1992 has the status of a British Standard UDC 669.715-42:629.7BSEN2385:1992 This British Standard, having been prepared under the directionof the A
2、erospace Standards Policy Committee, waspublished under theauthorityof the StandardsBoardand comesintoeffect on 15 November 1992 BSI 11-1999 The following BSI references relate to the work on this standard: Committee reference ACE/24 Draft for comment 91/83243 DC ISBN 0 580 20607 6 Cooperating organ
3、izations The 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 Standard
4、iseringsraad 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 Nazion
5、ale Italiano 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
6、 Switzerland Association suisse de normalisation United Kingdom British Standards Institution Amendments issued since publication Amd. No. Date CommentsBSEN2385:1992 BSI 11-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN 2385 3 National an
7、nex NA (informative) Committees responsible Inside back cover National annex NB (informative) Cross-references Inside back coverBSEN2385:1992 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 la
8、nguage version of EN2385:1992 “Aerospace series Aluminium alloy AL-P7009-T74511 Extruded bars and sections a or D k 125mm”, published by the European Committee for Standardization (CEN). EN 2385 was produced as a result of international discussion in which the UK took an active part. A British Stand
9、ard does not 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,
10、an inside front cover, pages i and ii, theEN title page, pages 2 to 6, 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
11、EUROPENNE EUROPISCHE NORM EN 2385 September 1992 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-P7009-T74511 Extruded bars and sect
12、ions a or D k 125mm Srie arospatiale Alliage daluminium AL-P7009-T74511 Barres et profils fils a ou D k 125mm Luft- und Raumfahrt Aluminiumlegierung AL-P7009-T74511 Stranggeprete Stangen und Profile a oder D k 125mm This European Standard was approved by CEN on 1992-03-09. CEN members are bound to c
13、omply 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
14、Secretariat 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
15、official 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 United Kingdom. CEN European Committee for Standardization Comit Europen
16、 de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1992 Copyright reserved to CEN members Ref. No. EN 2385:1992 EEN2385:1992 BSI 11-1999 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (
17、AECMA). 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
18、 be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 1993, and conflicting national standards shall be withdrawn at the latest by March 1993. In accordance with the Common CEN/CENELEC Rules the following countries are bound
19、 to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Contents Page Foreword 2 0 Introduction 3 1 Scope 3 2 References 3EN2385:1992 BSI 11-1
20、999 3 0 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-P7009-, for use in the T74511 1)condition, a or Dk 125mm, for aerospace applications. This standard may also be used to supply
21、 material in the T74510 condition, if the purchaser specifies this condition on the order. In this case the designation of line97shall not be used. 2 References This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited
22、 at the 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
23、of the publication referred to applies. EN 2004-1, Aerospace series Test methods for aluminium and aluminium alloy products Part 1: Determination of electrical conductivity of wrought aluminium alloys 2) . EN 2047, Beaded L-section aluminium alloy extrusions Dimensions Aerospace series 2) . EN 2048,
24、 L-section aluminium alloy extrusions Dimensions Aerospace series 2) . EN 2049, Channel section aluminium alloy extrusions Dimensions Aerospace series 2) . EN 2050, T-section aluminium alloy extrusions Dimensions Aerospace series 2) . EN 2070-3, Aerospace series Aluminium and aluminium alloy wrought
25、 products Technical specification Part 3: Bars and sections. EN 2134, Round aluminium alloy bars Dimensions Aerospace series 2) . EN 2341, Aluminium and aluminium alloy square and rectangular extruded bars Dimensions Aerospace series 2) . EN 2500-2, Aerospace series Instructions for the drafting and
26、 use of metallic material standards Part 2: Specific requirements for aluminium, aluminium alloys and magnesium alloys 3) . EN 2600, Aerospace series Designation of metallic semi-finished products Rules 3) . 1) Formerly designated T73651. 2) Published as AECMA standard at the date of publication of
27、this standard. 3) Published as AECMA pre-standard at the date of publication of this standard.EN2385:1992 4 BSI 11-1999 1 Material designation Aluminium alloy AL-P7009- 2 Chemical composition Element Si Fe Cu Mn Mg Cr Zn Ag Ti Others Each Total Al % min. 0,6 2,1 0,10 5,5 0,25 Base max. 0,20 0,20 1,3
28、 0,10 2,9 0,25 6,5 0,40 0,20 0,05 0,15 3 Method of melting 4 Form Method of production Limit dimensions (mm) Bars and sections Extruded a or D k 125 5 5.1 Technical specification EN 2070-3 5.2 Dimensional standards EN 2047, EN 2048, EN 2049, EN 2050, EN 2134, EN 2341 6 6.1 Delivery condition and hea
29、t treatment T74511 460 C k F k 470 C/WQ F k 40 C + 1% k Stretched k 3% and minor straightening allowable + 115 C k F k 125 C/20 h k t k 24 h + 167 C k F k 173 C/4 h k t k 12 h 6.2 Delivery condition code U 7 Use condition and heat treatment T74511 Delivery condition Characteristics 8 Sample Test pie
30、ce Heat treatment Use condition: T74511 9 Dimensions concerned mm a or D k 50 50 a or D k 100 100 a or D k 125 10 Thickness of cladding on each face % 11 Direction of test piece L LT L LT L LT 12 Temperature F C Ambient temperature 13 Proof stress R p0.2 MPa U 450 U 390 U 480 U 400 U 450 U 390 14 T
31、Strength R m MPa U 510 U 460 U 530 U 470 U 510 U 460 15 Elongation A % U 7 1) U 4 2) U 7 U 4 U 7 U 4 16 Reduction of area Z % 17 Hardness 18 Shear strength R c MPa 19 Bending k 20 Impact strength 21 C Temperature F C 22 Time h 23 Stress a MPa 24 Elongation a % 25 Rupture stress R MPa 26 Elongation a
32、t rupture A % 27 Notes (see line 98) 1), 2)EN2385:1992 BSI 11-1999 5 32 Electrical conductivity 1 See EN 2004-1 6 Measurement on specimen for tensile test (flat machined surface if necessary) U 22,0 MS/m Acceptable 7 21,5 MS/m k 22,0 MS/m Not acceptable unless a stress corrosion test gives satisfact
33、ory results 21,5 MS/m Not acceptable 39 Stress corrosion 2 In case of dispute or if 21,5 MS/m k 22,0 MS/m 3 a or D U 20 mm 6 = 60% R p0.2min. L/t = 20 d 44 External defects See EN 2070-3 Macrostructure 7 Back end defects: see EN 2070-3 Internal defects See EN 2070-3 Batch uniformity 1 See EN 2070-3
34、7 Electrical conductivity See EN 2070-3 or 7 Hardness 150 HB (typical value) k 20 HB per product % k 30 HB per batch 97 Designation For extruded bars, see EN 2600. For extruded sections, see relevant drawing 98 Notes 1)A 50 mmU 6% for a k 10 mm 2)A 50 mmU 3,5% for a k 10 mm 99 Typical use6 blankBSEN
35、2385:1992 BSI 11-1999 National annex NA (informative) 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.
36、 Aluminium Federation Aluminium Stockholders Association 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 Foun
37、ders Association Magnesium Industry Council Ministry 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
38、clause2, with the exception ofEN2004-1,EN2047,EN2048, EN2049, EN2050,EN2134,EN2341,EN2500-2 andEN2600, for which no corresponding British Standards exist.BS EN 2385:1992 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for prepa
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