1、BRITISH STANDARD AEROSPACE SERIES BS EN 2126:1992 Aluminium alloy AL-P7075-T651 Plate 6mmak 80mm The European Standard EN2126:1992 has the status of a British Standard UDC: 669.715-41:629.7BSEN2126:1992 This British Standard, having been prepared under the directionof the Aerospace Standards Policy
2、Committee, waspublished under the authorityof the Standards Boardand comes into effect on 15November1992 BSI11-1999 The following BSI references relate to the work on this standard: Committee reference ACE/24 Draft for comment91/83250DC ISBN 0 580 20629 7 Cooperating organizations The European Commi
3、ttee 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 Finland Suomen
4、 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 Unificazion
5、e 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 Association su
6、isse de normalisation United Kingdom British Standards Institution Amendments issued since publication Amd. No. Date CommentsBSEN2126:1992 BSI 11-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN2126 3 National annex NA (informative) Committ
7、ees responsible Inside back cover National annex NB (informative) Cross-references Inside back coverBSEN2126:1992 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 version of EN2126:199
8、2 “Aerospace series Aluminium alloy AL-P7075-T651 Plate6mmak 80mm”, published by the European Committee for Standardization (CEN). EN2126 was produced as a result of international discussion in which the UK took an active part. A British Standard does not purport to include all the necessary provisi
9、ons 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, pagesi andii, theEN title page, pa
10、ges2 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 EUROPISCHE NORM EN2126 September1992 UDC: 669.715-4
11、1:629.7 Descriptors: Aircraft industry, metal plates, aluminium alloys, specifications, chemical composition, dimensions, characteristics English version Aerospace series Aluminium alloy AL-P7075-T651 Plates 6mmak 80mm Srie arospatiale Alliage daluminium AL-P7075-T651 Tles paisses 6mmak 80mm Luft- u
12、nd Raumfahrt Aluminiumlegierung AL-P7075-T651 Platten 6mmak 80mm 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 for giving this European Standard the status of a national standard witho
13、ut 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 versions (English, French, German). A version in any other language ma
14、de 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, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy
15、, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland andUnited 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.
16、 EN2126:1992 EEN2126:1992 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 accordance with the rules of this Association, this Standard has successively received the approval of th
17、e 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 latest by March1993, and conflicting nat
18、ional 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, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,
19、 Portugal, Spain, Sweden, Switzerland and United Kingdom. Contents Page Foreword 2 0 Introduction 3 1 Scope 3 2 References 3EN2126:1992 BSI 11-1999 3 0 Introduction For the use of this standard, see EN2500-2. 1 Scope This standard specifies the requirements relating to plates in aluminium alloy AL-P
20、7075-, for use in the T651condition,6mmak 80mm, for aerospace applications. 2 References This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed h
21、ereafter. 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 publication referred to applies. EN2070-2, Aerospace series Alumi
22、nium and aluminium alloy wrought products Technical specification Part2: Sheet, strip, formed profiles and plate. EN2131, Plates in aluminium alloys Thickness6mmak 140mm Dimensions Aerospace series 1) . EN2500-2, Aerospace series Instructions for the drafting and use of metallic material standards P
23、art2: Specific requirements for aluminium, aluminium alloys and magnesium alloys 2) . EN2600, Aerospace series Designation of metallic semi-finished products Rules 2) . 1) Published as AECMA standard at the date of publication of this standard. 2) Published as AECMA pre-standard at the date of publi
24、cation of this standard.EN2126:1992 4 BSI 11-1999 1 Material designation Aluminium alloy AL-P7075- 2 Chemical composition Element Si Fe Cu Mn Mg Cr Zn Ti Others Each Total A1 % min. 1,2 2,1 0,18 5,1 Base max. 0,40 0,50 2,0 0,30 2,9 0,28 6,1 0,20 0,05 0,15 3 Method of melting 4 Form Method of product
25、ion Limit dimensions (mm) Plate Hot rolled 6ak 80 5 5.1 Technical specification EN2070-2 5.2 Dimensional standard EN2131 6 6.1 Delivery condition and heat treatment W51 460 CkFk 500 C/WQFk 40 C +1,5%k stretchedk 3% T651 460 CkFk 500 C/WQFk 40 C +1,5%k stretchedk 3% +115 CkFk 125 C/20hk tk 30h or125
26、CkFk 135 C/12hk tk 16h 6.2 Delivery condition code W U 7 Use condition and heat treatment T651 Delivery condition +115 CkFk 125 C/20hk tk 30h or125 CkFk 135 C/12hk tk 16h Delivery condition Characteristics 8 Sample Test piece Heat treatment Use condition:T651 9 Dimensions concerned mm 6ak 10 10ak 25
27、 25ak 40 40ak 60 60ak 80 10 Thickness of cladding on each face % 11 Direction of test piece L 1) LT L 1) LT L 1) LT ST 2) L 1) LT ST L 1) LT ST 12 Temperature F C Ambient temperature 13 Proof stress R p0.2 MPa U 470U 460 U 470 U 475 U 470 U 460U 420 U 455 U 440 U 405 U 430U 420U 390 14 T Strength R
28、m MPa U 530U 530 U 530 U 530 U 530 U 530U 490 U 520 U 520 U 480 U 490U 490U 470 15 Elongation A % U 8 3) U 8 3) U 6 U 6 U 6 U 5 U 2,5 4) U 6 U 5 U 2 5) U 5 U 5 U 2 5) 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
29、 B a MPa 24 C Elongation a % 25 Rupture stress B R MPa 26 Elongation at rupture A % 27 Notes (see line98) 1), 2), 3), 4), 5)EN2126:1992 BSI 11-1999 5 44 External defects See EN2070-2 61 Internal defects See EN2070-2 82 Batch uniformity 1 See EN2070-2 7 Electrical conductivity =19MS/m (typical value)
30、 97 Designation See EN2600. 98 Notes 1)Capability clause 2)May be required if specified on the order 3)Measured on50mm 4)or A 4 U 3% 5)or A 4 U 2,5% 99 Typical use6 blankBSEN2126:1992 BSI 11-1999 National annex NA (informative) Committees responsible The United Kingdom participation in the preparati
31、on 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 Technology Cen
32、tre 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 annex
33、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 EN2131, EN2500-2and EN2600, for which no corresponding British Standards exist.BS EN 2126:1992
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