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1、BRITISH STANDARD AEROSPACE SERIES BS EN 2381:1992 Aluminium alloy AL-P7009-T7452 Hand forgings 40 mm k a k 150 mm The European Standard EN 2381:1992 has the status of a British Standard UDC 669.715-4:621.73.042:629.7 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 01:16:14 GMT+00:00 2006, Unc
2、ontrolled Copy, (c) BSI BS EN 2381:1992 This British Standard, having been prepared under the direction of the Aerospace Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 November 1992 BSI 01-2000 The following BSI references relate to t
3、he work on this standard: Committee reference ACE/24 Draft for comment 91/83245 DC ISBN 0 580 20610 6 Cooperating organizations The European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the followi
4、ng countries. AustriaOesterreichisches Normungsinstitut BelgiumInstitut belge de normalisation DenmarkDansk Standardiseringsraad FinlandSuomen Standardisoimisliito, r.y. FranceAssociation franaise de normalisation GermanyDeutsches Institut fr Normung e.V. GreeceHellenic Organization for Standardizat
5、ion IcelandTechnological Institute of Iceland IrelandNational Standards Authority of Ireland ItalyEnte Nazionale Italiano di Unificazione LuxembourgInspection du Travail et des Mines NetherlandsNederlands Normalisatie-instituut NorwayNorges Standardiseringsforbund PortugalInstituto Portugus da Quali
6、dade SpainAsociacin Espaola de Normalizacin y Certificacin SwedenStandardiseringskommissionen i Sverige SwitzerlandAssociation suisse de normalisation United KingdomBritish Standards Institution Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Fri
7、Nov 03 01:16:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2381:1992 BSI 01-2000i Contents Page Cooperating organizationsInside front cover National forewordii Foreword2 Text of EN 23813 National annex NA (informative) Committees responsibleInside back cover National annex NB (informative) Cro
8、ss-referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 01:16:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2381:1992 ii BSI 01-2000 National foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is th
9、e English language version of EN 2381:1992 “Aerospace series Aluminium alloy AL-P7009-T7452 Hand forgings 40 mm k a k 150 mm”, published by the European Committee for Standardization (CEN). EN 2381 was produced as a result of international discussion in which the UK took an active part. A British St
10、andard 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 cove
11、r, an inside front cover, pages i and ii, the EN 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. Licensed Copy: shef
12、fieldun sheffieldun, na, Fri Nov 03 01:16:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2381 September 1992 UDC: 669.715-4:621.73.042:629.7 Key words: Aircraft industry, forgings, aluminium alloys, specifications, chemical composition, dimensions,
13、 characteristics English version Aerospace series Aluminium alloy AL-P7009-T7452 Hand forgings 40 mm k a k 150 mm Srie arospatiale Alliage daluminium AL-P7009-T7452 Pices forges 40 mm k a k 150 mm Luft- und Raumfahrt Aluminiumlegierung AL-P7009-T7452 Freiformschmiedestcke 40 mm k a k 150 mm This Eur
14、opean Standard was approved by CEN on 1992-03-09. CEN members are bound to comply 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 conce
15、rning such national standards may be obtained on application to the Central 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
16、language and notified to the Central Secretariat has the same status as the 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
17、and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1992 Copyright reserved to CEN members Ref. No. EN 2381:1992 E Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03
18、01:16:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 2381:1992 BSI 01-2000 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 this Association, this Standard has s
19、uccessively 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 identical text or by endorsement, at the l
20、atest 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 to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland
21、, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Contents Page Foreword2 0Introduction3 1Scope3 2References3 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 01:16:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 2381:1992 BSI 01-20003 0 Introd
22、uction For the use of this standard, see EN 2500-2. 1 Scope This standard specifies the requirements relating to hand forgings in aluminium alloy AL-P7009-, for use in the T74521) condition, 40 mm k a k 150 mm, for aerospace applications. 2 References This European Standard incorporates by dated or
23、undated reference, provisions from other publications. 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 w
24、hen incorporated in it by amendment or revision. For undated references the 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 alloys2). EN 20
25、82-3, Aerospace series Aluminium alloy forging 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
26、 magnesium alloys3). 1) Formerly designated T73652. 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. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 01:16:14 GMT+00:00 2006, Uncontrolled
27、 Copy, (c) BSI EN 2381:1992 4 BSI 01-2000 1Material designationAluminium alloy AL-P7009- 2ChemicalElementSiFeCuMnMgCrZnAgTiOthers compositionEachTotalAl %min.0,62,10,105,50,25 Base max.0,200,201.30,102,90,256,50,400,200,050,15 3Method of melting 4 Form Method of production Limit dimensions (mm) Hand
28、 forgings 40 k a k 150 55.1 Technical specificationEN 2082-3 5.2 Dimensional standards 6 6.1 Delivery condition and heat treatment T7452 460 C k F k 470 C/WQ F k 40 C + 1 % k compressed k 5 % + 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 7 6.2 Delivery condition code U Use
29、condition and heat treatment T7452 Delivery condition Characteristics 8Sample Test piece Heat treatment Cut from the forgings in accordance with the drawing and/or inspection schedule (location and direction) Use condition: T7452 9Dimensions concernedmm40 k a k 7575 a k 125125 a k 150 10Thickness of
30、 cladding on each face % 11Direction of test pieceLLTSTLLTSTLLTST 12 T TemperatureFCAmbient temperature 13Proof stressRp0,2MPaU 440U 430U 420U 400U 400U 380U 360U 360U 340 14StrengthRmMPaU 500U 500U 480U 460U 460U 440U 440U 440U 420 15ElongationA%U 8U 5U 4U 7U 5U 4U 6U 5U 4 16Reduction of area Z% 17
31、Hardness 18Shear strengthRcMPa 19Bendingk 20Impact strength 21TemperatureFC 22 C Timeh 23StressBaMPa 24Elongationa% 25Rupture stress BRMPa 26Elongation at rupture A% 27Notes (see line 98) Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 01:16:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 23
32、81:1992 BSI 01-20005 32Electrical1See EN 2004-1 conductivity6Measurement on specimen for tensile test (flat machined surface if necessary) 7 U 22,0 MS/mAcceptable 21,5 MS/m k 22,0 MS/mNot acceptable unless a stress corrosion test gives satisfactory results 21,5 MS/mNot acceptable 39Stress corrosion2
33、In case of dispute or if 21,5 MS/m k 22,0 MS/m 3a U 20 mm 6B = 60 % Rp0,2min. L/t = 20 d 44External defectsSee EN 2082-3 51Macrostructure7Grain flow: see EN 2082-3 61Internal defectSee EN 2082-3 82Batch uniformity1See EN 2082-3 7Electrical conductivitySee EN 2082-3 or 7Hardness145 HB (typical value)
34、 k 20 HB per product% k 30 HB per batch 97DesignationSee relevant drawing 98Notes 99Typical use Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 01:16:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 6 blank Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 01:16:14 GMT+00:00 2006, Uncontrol
35、led Copy, (c) BSI BS EN 2381:1992 BSI 01-2000 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
36、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 Investment Casting Trade Association Institute of British Fou
37、ndrymen 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 Standards referred to in the text are identical in number and ti
38、tle with those given in clause 2, with the exception of EN 2004-1 and EN 2500-2 for which no corresponding British Standards exist. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 01:16:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2381:1992 BSI 389 Chiswick High Road London W4 4AL BSI
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