1、BRITISH STANDARD AEROSPACE SERIES BS EN 2093:1992 Aluminium alloy AL-P7009-T74 Handforgings 20mmk a k 150 mm The European Standard EN 2093:1992 has the status of a British Standard UDC 669.715-4:621.73.042:629.7BSEN 2093:1992 This British Standard, having been prepared under the directionof the Aero
2、space Standards 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 91/83253 DC ISBN 0 580 20632 7 Cooperating organi
3、zations 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 Standardi
4、seringsraad 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 Naziona
5、le 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 CommentsBSEN 2093:1992 BSI 11-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN 2093 3 National an
7、nex NA (informative) Committees responsible Inside back cover National annex NB (informative) Cross-references Inside back coverBSEN 2093:1992 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 l
8、anguage version of EN2093:1992 “Aerospace series Aluminium alloy AL-P7009-T74. Hand forgings20mmk ak 150mm”, published by the European Committee for Standardization (CEN). EN 2093 was produced as a result of international discussion in which the UK took an active part. A British Standard does not pu
9、rport 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 front
10、 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 EUROPENNE EUROP
11、ISCHE NORM EN 2093 September 1992 UDC 669.715-4:621.73.042:629.7 Descriptors: Aircraft industry, forgings, aluminium alloys, specifications, chemical composition, dimensions, characteristics English version Aerospace series Aluminium alloy AL-P7009-T74 Hand forgings 20 mm k a k 150 mm Srie arospatia
12、le Alliage daluminium AL-P7009-T74 Picesforges 20 mm k a k 150 mm Luft- und Raumfahrt Aluminiumlegierung AL-P7009-T74 Freiformschmiedestcke 20 mm k a k 150 mm This European Standard was approved by CEN on 1992-03-09. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which sti
13、pulate 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 Secretariat or to any CEN member. This European Standard
14、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 official versions. CEN members are the national standards
15、 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 de Normalisation Europisches Komitee fr Normung Central
16、Secretariat: rue de Stassart 36, B-1050 Brussels 1992 Copyright reserved to CEN members Ref. No. EN 2093:1992 EEN 2093:1992 BSI 11-1999 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accorda
17、nce 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 given the status of a national standard, either by p
18、ublication 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 implement this European Standard: Austria, Belgium, De
19、nmark, 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 3EN 2093:1992 BSI 11-1999 3 0 Introduction For the use of this standard, see EN
20、2500-2. 1 Scope This standard specifies the requirements relating to hand forgings in aluminium alloy AL-P7009-, for use in the T74 1)condition, 20mmk a k 150mm, for aerospace applications. 2 References This European Standard incorporates by dated or undated reference, provisions from other publicat
21、ions. These normative references 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.
22、For undated references the latest edition of the publication referred to applies. EN 2004-1, Aerospace series Test methods for aluminium and aluminium alloys products Part 1: Determination of electrical conductivity of wrought aluminium alloys 2) . EN 2082-3, Aerospace series Aluminium alloys forgin
23、g stock and forgings Technical 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
24、 T736. 2) Published as AECMA standard at the date of publication of this standard. 3) Published as AECMA pre-standard at the date of publication of this standard.EN 2093:1992 4 BSI 11-1999 1 Material designation Aluminium alloy AL-P7009- 2 Chemical composition Element Si Fe Cu Mn Mg Cr Zn Ag Ti Othe
25、rs Each Total Al % min. 0,6 2,1 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) Hand forgings 20 k a k 150 5 5.1 Technical specification EN 2082-3 5.2 Dimensional standards 6 6.1 Delivery condition and
26、O1 T74 heat treatment 460 C k F k 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 T74 and heat treatment Delivery condition Delivery condition + 460 C k F k 470 C/WQ F k 80 C + 115 C k F k 1
27、25 C/20 h k t k 24 h + 167 C k F k 173 C/6 h k t k 18 h Characteristics 8 Sample Test piece Heat treatment Cut from the forgings in accordance with the drawing and/or inspection schedule (location and direction) Use condition: T74 9 Dimensions concerned mm 20 k a k 75 1) 75 a k 125 125 a k 150 10 Th
28、ickness of cladding on each face % 11 Direction 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 440 U 430 U 420 U 420 U 410 U 400 U 390 U 380 U 360 14 T Strength R m MPa U 500 U 500 U 480 U 480 U 470 U 460 U 470 U 460 U 440 15 Elongation A %
29、U 8 U 5 U 4 U 7 U 5 U 4 U 6 U 5 U 4 16 Reduction 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 B MPa 24 C Elongation % 25 Rupture stress BP MPa 26 Elongation at rupture A % 27 Notes (see line 98) 1)EN 2093:1992 BSI 11-1999 5
30、32 Electrical 1 See EN 2004-1 conductivity 6 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
31、 dispute or if 21,5 MS/m k 22,0 MS/m 3 a U 20 mm 6 B = 60 % R p0,2min. L/t = 20 d 44 External defects See EN 2082-3 51 Macro-structure 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 (typic
32、al value) $ k 20 HB per product % k 30 HB per batch 97 Designation See relevant drawing 98 Notes 1)Also applicable to pre-machined wall thickness k 75 mm 99 Typical use6 blankBSEN 2093:1992 BSI 11-1999 National annex NA (informative) Committees responsible The United Kingdom participation in the pre
33、paration 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 Association Association of Light Alloy Refiners Limited BNF Metals Technolo
34、gy 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 of Defence Society of British Aerospace Companies Limited National
35、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 EN2004-1 and EN 2500-2, for which no corresponding British Standards exist.BS EN 2093:199
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