1、BRITISH STANDARD BS EN 2094:1992 Aluminium alloy AL-P7009-T74 Die forgings 3 mm k a k 150 mm The European Standard EN 2094:1992 has the status of a British Standard UDC 669.715-4.621.73.043:629.7BSEN2094:1992 This British Standard, having been prepared under the directionof the Aerospace Standards P
2、olicy Committee, waspublished under the authorityof the Standards Boardand comes into effect on 15November1992 BSI 12-1999 The following BSI references relate to the work on this standard: Committee reference ACE/24 Draft for comment 91/83252 DC ISBN 0 580 20631 9 Cooperating organizations The Europ
3、ean 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 Standardiseringsraad Finla
4、nd 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 di Un
5、ificazione 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 Assoc
6、iation suisse de normalisation United Kingdom British Standards Institution Amendments issued since publication Amd. No. Date CommentsBSEN2094:1992 BSI 12-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN 2094 3 National annex NA (informativ
7、e) Committees responsible Inside back cover National annex NB (informative) Cross-references Inside back coverBSEN2094:1992 ii BSI 12-1999 National foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is the English language version of
8、EN2094:1992 “Aerospace series Aluminium alloy AL-P7009-T74 Die forgings 3 mm k a k 150 mm”, published by the European Committee for Standardization (CEN). EN2094was produced as a result of international discussion in which the UK took an active part. A British Standard does not purport to include al
9、l 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 front cover, pagesiandii
10、, the EN title page, pages2to6, 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 EUROPISCHE NORM EN 2094 Septe
11、mber 1992 UDC 669.715-4:621.73.043:629.7 Descriptors: Aircraft industry, die forgings, aluminium alloys, specifications, chemical composition, dimensions, characteristics English version Aerospace series Aluminium alloy AL-P7009-T74 Die forgings 3 mm k a k 150 mm Srie arospatiale Alliage daluminium
12、AL-P7009-T74 Pices matrices 3 mm k a k 150 mm Luft- und Raumfahrt Aluminiumlegierung AL-P7009-T74 Gesenkschmiedestcke 3 mm k a k 150 mm This European Standard was approved by CEN on1992-03-09. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions fo
13、r 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 Secretariat or to any CEN member. This European Standard exists in three official
14、 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 official versions. CEN members are the national standards bodies of Austria, Belg
15、ium, 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 de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stas
16、sart 36, B-1050 Brussels 1992 Copyright reserved to CEN members Ref. No. EN 2094:1992 EEN2094:1992 BSI 12-1999 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with the rules of thi
17、s 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 given the status of a national standard, either by publication of an identica
18、l 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 implement this European Standard: Austria, Belgium, Denmark, Finland, France, G
19、ermany, 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 3EN2094:1992 BSI 12-1999 3 0 Introduction For the use of this standard, see EN2500-2. 1 Scope This stand
20、ard specifies the requirements relating to die forgings in aluminium alloy AL-P7009-, for use in the T74 1)condition, 3mm k a k 150mm, for aerospace applications. 2 References This European Standard incorporates by dated or undated reference, provisions from other publications. These normative refer
21、ences are cited 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
22、latest edition 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 2082-3, Aerospace series Aluminium alloys forging stock and forgings Technic
23、al specification Part 3: Pre-production and production forgings. EN 2500-2, Aerospace series Instructions for the drafting and use of metallic material standards Part 2: Specific requirements for aluminium, aluminium alloys and magnesium alloys 3) . 1) Formerly designated T736. 2) Published as AECMA
24、 standard at the date of publication of this standard 3) Published as AECMA pre-standard at the date of publication of this standardEN2094:1992 4 BSI 12-1999 1 Material designation Aluminium alloy AL-P7009- 2 Chemical composition Element Si Fe Cu Mn Mg Cr Zn Ag Ti Others Al Each Total % min. 0,6 2,1
25、 0,10 5,5 0,25 Base max. 0,20 0,20 1,3 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) Dieforgings 3 k a k 150 5 5.1 Technical specification EN 2082-3 5.2 Dimensional standards 6 6.1 Delivery condition and heat treatment O1 T74 460 C k F k
26、470 C/AC 460 C k F k 470 C/WQ F k 80 C + 115 C k F k 125 C/20 h k t k 24 h + 167 C k F k 173 C/6 h k t k 18 h 6.2 Delivery condition code A U 7 Use condition and T74 Delivery condition heat treatment + 460 C k F k 470 C/WQ F k 80 C + 115 C k F k 125 C/20 h k t k 24 h + 167 C k F k 173 C/6 h k t k 18
27、 h Delivery condition Characteristics 8 Sample Test piece Heat treatment Cut from forgings in accordance with the drawing and/or inspection schedule (location and direction) Use condition: T74 9 Dimensions concerned mm 3 k a k 75 75 a k 125 125 a k 150 10 Thickness of cladding on each face % 11 Dire
28、ction of test piece L LT ST L LT ST L LT ST 12 Temperature F C Ambient temperature 13 Proof stress R p0,2 MPa U 450 U 440 U 430 U 420 U 410 U 400 U 390 U 380 U 380 14 T Strength R m MPa U 510 U 500 U 490 U 480 U 470 U 470 U 470 U 460 U 450 15 Elongation A % U 7 U 5 U 4 U 7 U 5 U 4 U 7 U 5 U 4 16 Red
29、uction of area Z % 17 Hardness 18 Shear strength R c MPa 19 Bending k 20 Impact strength 21 Temperature F C 22 Time h 23 Stress a MPa 24 C Elongation a % 25 Rupture stress R MPa 26 Elongation at rupture A % 27 Notes (see line 98) EN2094:1992 BSI 12-1999 5 32 Electrical 1 See EN 2004-1 conductivity 6
30、 Measurement on specimen for tensile test (flat machined surface if necessary) 7 * U 22,0 MS/m Acceptable 21,5 MS/m k * 22,0 MS/m Not acceptable unless a stress corrosion test gives satisfactory 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
31、 3 a U 20 mm 6 = 60% R p0,2min. L/t = 20 d 44 External defects See EN 2082-3 51 Macrostructure 7 Grain flow: see EN 2082-3 61 Internal defects See EN 2082-3 82 Batch uniformity 1 See EN 2082-3 7 Electrical conductivity See EN 2082-3 or 7 Hardness 145 HB (typical value) k 20 HB per product % k 30 HB
32、per batch 97 Designation See relevant drawing 98 Notes 99 Typical use6 blankBSEN2094:1992 BSI 12-1999 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/-)
33、 to Technical Committee ACE/24 upon which the following bodies were represented: Aluminium Federation Aluminium Stockholders Association Association of Light Alloy Refiners Limited BNF Metals Technology Centre British Forging Industry Association British Industrial Fasteners Federation British Inves
34、tment Casting Trade Association Institute of British Foundrymen Light Metal Founders 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 Standard
35、s referred to in the text are identical in number and title with those given in clause2, with the exception of EN2004-1 and EN2500-2 for which no corresponding British Standards exist.BS EN 2094:1992 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent natio
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