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1、BRITISH STANDARD AEROSPACE SERIES BS EN 4204:2005 Aluminium alloy AL-P8090 T841 Sheet 0,6 mm kk a kk 6 mm The European Standard EN 4204:2005 has the status of a British Standard ICS 49.025.20 ? Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:31:20 GMT+00:00 2006, Uncontrolled Copy, (c) BSI
2、 BS EN 4204:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 13 December 2005 BSI 13 December 2005 ISBN 0 580 46320 6 National foreword This British Standard is the official English language version of EN 4204:2005. The UK participation i
3、n its preparation was entrusted by Technical Committee ACE/61, Metallic materials for aerospace purposes, to Subcommittee ACE/61/-/24, Light alloys, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the
4、 interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standard
5、s which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This pu
6、blication does not purport to include all the necessary provisions of a contract. Users are responsible for its 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 c
7、over, 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 publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:31:20 GMT+00:00 2006, Uncontrol
8、led Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4204 August 2005 ICS 49.025.20 English Version Aerospace series - Aluminium alloy AL-P8090 - T841 - Sheet - 0,6 mm a 6 mm Srie arospatiale - Alliage daluminium AL-P8090 - T841 - Tles - 0,6 mm a 6 mm Luft- und Raumfahrt - Aluminiu
9、mlegierung AL-P8090 - T841 - Bleche - 0,6 mm a 6 mm This European Standard was approved by CEN on 22 April 2005. 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 al
10、teration. 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 made by tra
11、nslation 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, Finland, France, Germany, Greece,
12、 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 NORMUNG Management Centre: r
13、ue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4204:2005: E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:31:20 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 2 Contents Foreword 3 I
14、ntroduction4 1 Scope .4 2 Normative references .4 EN 4204:2005 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:31:20 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 3 Foreword This document (EN 4204:2005) has been prepared by the European Association of Aerospace Manufacturers - Standardization
15、 (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 Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be gi
16、ven the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2006, and conflicting national standards shall be withdrawn at the latest by February 2006. Attention is drawn to the possibility that some of the elements of this document
17、may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austr
18、ia, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4204:2005 Licensed Copy: s
19、heffieldun sheffieldun, na, Sat Nov 04 08:31:20 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 4 Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is described in EN 4258. This standard has been prepared
20、 in accordance with EN 4500-2. 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-P8090- T841 Sheet 0,6 mm a 6 mm for aerospace applications. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated refe
21、rences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 4258, Aerospace series Metallic materials General organization of standardization Links between types of EN standards and their use. EN 4400-2, Aerospa
22、ce series Aluminium and aluminium alloy wrought products Technical specification Part 2: Sheet and strip. 1) EN 4500-2, Aerospace series Metallic materials Rules for drafting and presentation of material standards Part 2: Specific rules for aluminium, aluminium alloys and magnesium alloys. 1) 1) Pub
23、lished as AECMA Prestandard at the date of publication of this standard. EN 4204:2005 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:31:20 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 5 1 Material designation Aluminium alloy AL-P8090- Others Element Si Fe Cu Mn Mg Cr Zn Li Zr Ti Each Total
24、Al min. 1,0 0,6 2,2 0,04 2 Chemical composition % max. 0,20 0,30 1,6 0,10 1,3 0,10 0,25 2,7 0,16 0,10 0,05 a0,15 Base 3 Method of melting 4.1 Form Sheet 4.2 Method of production Rolled 4.3 Limit dimension(s) mm 0,6 a 6 5 Technical specification EN 4400-2 Delivery condition T451 T841 6.1 Heat treatme
25、nt 525 C 535 C / WQ 40 C + 1,75 % controlled stretched 2,25 % + = ambient / t 5 d 525 C 535 C / WQ 40 C + 1,75 % controlled stretched 2,25 % + 142 C 148 C / 23 h t 25 h 6.2 Delivery condition code K U Use condition T841 T841 7 Heat treatment Delivery condition + 142 C 148 C / 23 h t 25 h Delivery co
26、ndition Characteristics 8.1 Test sample(s) See EN 4400-2. 8.2 Test piece(s) See EN 4400-2. 8.3 Heat treatment Use condition. 9 Dimensions concerned mm 0,6 a 6 10 Thickness of cladding on each face % 11 Direction of test piece LT 12 Temperature C Ambient 13 Proof stress Rp0,2 MPa 270 14 Strength Rm M
27、Pa 405 15 Elongation A % A50 mm 8 16 T Reduction of area Z % 17 Hardness 18 Shear strength Rc 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 EN 4204:2005 Licensed Copy: s
28、heffieldun sheffieldun, na, Sat Nov 04 08:31:20 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 6 30 Microstructure See EN 4400-2. 3 a 4 mm 4 mm a 6 mm 7 Microstructure shall be fully recrystallized The degree of recrystallization shall be subject to agreement between the manufacturer and purchaser 40 Fr
29、acture toughness (Kco) See EN 4400-2. 3 T-L 7 100 MPam 44 External defects See EN 4400-2. 49 Exfoliation corrosion See EN 4400-2. 6 t = 48 h 7 Exfoliation corrosion shall not be greater than that of grade EB 68 Density See EN 4400-2. 7 2,56 kg dm 3 82 Batch uniformity See EN 4400-2. 5 T451 T841 7 El
30、ectrical conductivity MS/m 8,5 (Typical value) 10,5 (Typical value) or 95 (Typical value) 115 (Typical value) 20 per product 20 per product Hardness HB 30 per batch 30 per batch 95 Marking inspection See EN 4400-2. 96 Dimensional inspection See EN 4400-2. 98 Notes a Na 10 p.p.m., Ca 120 p.p.m. 99 Ty
31、pical use EN 4204:2005 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:31:20 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 7 100 Product qualification See EN 4400-2. Qualification programme to be agreed between manufacturer and purchaser. EN 4204:2005 Licensed Copy: sheffieldun sheffieldun, n
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