1、BRITISH STANDARD AEROSPACE SERIES BS EN 2687:2004 Aluminium alloy AL-P7010-T7451 Plate 6 mm au 160 mm The European Standard EN 2687:2004 has the status of a British Standard ICS 49.025.20 BS EN 2687:2004 This British Standard was published under the authority of the Standards Policy and Strategy Com
2、mittee on 13 January 2005 BSI 13 January 2005 ISBN 0 580 45271 9 National foreword This British Standard is the official English language version of EN 2687:2004. The UK participation in its preparation was entrusted to Technical Committee ACE/61/-/24, Light alloys, which has the responsibility to:
3、A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International St
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6、n developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publ
7、ication Amd. No. Date Comments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2687 December 2004 ICS 49.025.20 English version Aerospace series - Aluminium alloy AL-P7010- - T7451 - Plate - 6 mm a 160 mm Srie arospatiale - Alliage daluminium AL-P7010- - T7451 - Tle paisse - 6 mm a 160 mm Luft-
8、 und Raumfahrt - Aluminiumlegierung AL-P7010- - T7451 - Platten - 6 mm a 160 mm This European Standard was approved by CEN on 15 July 2004. 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 natio
9、nal 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 versions (English, French, German). A version in any
10、 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, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finlan
11、d, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR N
12、ORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2687:2004: EEN 2687:2004 (E) 2 Contents Page Foreword3 Introduction .4 1 Scope 4 2 Normative references 4 EN 2687:20
13、04 (E) 3 Foreword This document (EN 2687:2004) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Asso
14、ciations 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 June 2005, and conflicting national standards
15、 shall be withdrawn at the latest by June 2005. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Gree
16、ce, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 2687:2004 (E) 4 Introduction This standard is part of the series of EN metallic material standards for aerospac
17、e applications. The general organization of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-2. 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-P7010- T7451 Plate 6 mm a 160 mm for aerospace applications. 2 Normative ref
18、erences The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 4258, Aerospace series Metallic materi
19、als General organization of standardization Links between types of EN standards and their use EN 4400-1, Aerospace series Aluminium and aluminium alloy wrought products Technical Specification Part 1: Plate 1)EN 4500-2, Aerospace series Metallic materials Rules for drafting and presentation of mater
20、ial standards Part 2: Specific rules for aluminium, aluminium alloys and magnesium alloys 1) 1) Published as AECMA Prestandard at the date of publication of this standard EN 2687:2004 (E) 5 1 Material designation Aluminium alloy AL-P7010- Others Element Si Fe Cu Mn Mg Cr Ni Zn Zr Ti Each Total Al mi
21、n. 1,5 2,1 5,7 0,10 2 Chemical composition % max. 0,12 0,15 2,0 0,10 2,6 0,05 0,05 6,7 0,16 0,06 0,05 0,15 Base 3 Method of melting 4.1 Form Plate 4.2 Method of production Rolled 4.3 Limit dimension(s) mm 6 a 160 5 Technical specification EN 4400-1 Delivery condition W51 T7451 6.1 Heat treatment 470
22、 C 485 C / WQ 40 C + 1,5 % controlled stretched 3 % 470 C 485 C a / WQ 40 C + 1,5 % controlled stretched 3 % + 115 C 125 C / 4 h t 24 h a+ 165 C 175 C / 8 h t 18 h a6.2 Delivery condition code W U Use condition T7451 T7451 7 Heat treatment Delivery condition + 115 C 125 C / 4 h t 24 h a+ 165 C 175 C
23、 / 8 h t 18 h aDelivery condition Characteristics 8.1 Test sample(s) See EN 4400-1. 8.2 Test piece(s) See EN 4400-1. 8.3 Heat treatment Use condition 9 Dimensions concerned mm 6 a 12,5 12,5 a 25 25 a 50 50 a 75 10 Thickness of cladding on each face % 11 Direction of test piece L LT L LT L LT ST L LT
24、 ST 12 Temperature C Ambient Ambient Ambient Ambient 13 Proof stress R p0,2 MPa 430 430 430 430 430 430 400 435 435 400 14 Strength R m MPa 490 495 490 495 490 495 470 490 495 470 15 Elongation A % A 50mm 9 A 50mm 6 9 6 9 6 3 b 9 6 3 b16 T Reduction of area Z % continued 9 Dimensions concerned mm 75
25、 a 100 100 a 125 125 a 160 10 Thickness of cladding on each face % 11 Direction of test piece L LT ST L LT ST L LT ST 12 Temperature C Ambient Ambient Ambient 13 Proof stress R p0,2 MPa 420 420 390 405 405 375 390 390 365 14 Strength R m MPa 480 490 460 465 475 445 455 460 435 15 Elongation A % 9 6
26、2,5 c 9 5 2,5 c 8 4 2,5 c16 T Reduction of area Z % 17 Hardness 18 Shear strength R c MPa 19 Bending k 20 Impact strength 21 Temperature C 22 Time h 23 Stress a MPa 24 Elongation a % 25 Rupture stress R MPa 26 C Elongation at rupture A % 27 Notes (see line 98) a,b,c EN 2687:2004 (E) 6 32 Electrical
27、conductivity See EN 4400-1. 7 23,0 MS/m Acceptable 22,0 MS/m 23,0 MS/m Acceptable if R p0,2 LT R p0,2 min. LT + 70 MPa or if stress corrosion test is acceptable. 22,0 MS/m Not acceptable 39 Stress corrosion See EN 4400-1. 6 = 240 MPa 7 t 20 d 40 See EN 4400-1. Fracture toughness ( K IC ) 2 The “capa
28、bility clause“ applies 7 Dimensions mm L-T MPa m T-L MPa m S-L MPa m 25 a 50 28 25 50 a 75 28 25 24 75 a 160 27 24 23 44 External defects See EN 4400-1. 47 Notch/yield ratio R e/ R p0, 2 See EN 4400-1. 49 Exfoliation corrosion See EN 4400-1. 7 Exfoliation shall not be greater than that of grade EB 6
29、1 Internal defects See EN 4400-1. 82 Batch uniformity See EN 4400-1. 95 Marking inspection See EN 4400-1. 96 Dimensional inspection See EN 4400-1. 98 Notes a Artificial ageing may be carried out using the following alternative single stage method : heating to a temperature of 165 C 175 C at a rate n
30、ot exceeding 20 C / h and soaking at this temperature for 8 h t 18 h. b Or A 4D 3,5 if required by the purchaser c Or A 4D 3 if required by the purchaser 99 Typical use EN 2687:2004 (E) 7 100 Product qualification See EN 4400-1. Qualification programme to be agreed between manufacturer and purchaser
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