1、BRITISH STANDARD AEROSPACE SERIES BS EN 4204:2005 Aluminium alloy AL-P8090 T841 Sheet 0,6 mm k a k 6 mm The European Standard EN 4204:2005 has the status of a British Standard ICS 49.025.20 BS EN 4204:2005 This British Standard was published under the authority of the Standards Policy and Strategy C
2、ommittee 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 in its preparation was entrusted by Technical Committee ACE/61, Metallic materials for aerospace purposes, to Su
3、bcommittee 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 interpretation, or proposals for change, and keep UK interests informed; monitor related international and Eur
4、opean 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 Standards which implement international or European publications referred to in this document may be found in the BSI C
5、atalogue 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 publication does not purport to include all the necessary provisions of a contract. Users are responsible for its
6、 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, the EN title page, pages 2 to 7 and a back cover. The BSI copyright notice displayed in this document ind
7、icates when the document was last issued. Amendments issued since publication Amd. No. Date Comments 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 - Allia
8、ge daluminium AL-P8090 - T841 - Tles - 0,6 mm a 6 mm Luft- und Raumfahrt - Aluminiumlegierung 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
9、 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 exists in three offic
10、ial 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 bodies of Austria, B
11、elgium, 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 United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION
12、 COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue 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: E2 Contents Foreword 3 Introduction4 1 Scope .4 2
13、 Normative references .4 EN 4204:20053 Foreword This document (EN 4204:2005) 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
14、 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 latest by February 2006,
15、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 may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights.
16、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, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Li
17、thuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4204:20054 Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this seri
18、es 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-P8090- T841 Sheet 0,6 mm a 6 mm for aerospace applications. 2 Normative references The following referenced documents are indispe
19、nsable 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 materials General organization of standardization Links betw
20、een types of EN standards and their use. EN 4400-2, Aerospace 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 a
21、luminium, aluminium alloys and magnesium alloys. 1) 1) Published as AECMA Prestandard at the date of publication of this standard. EN 4204:20055 1 Material designation Aluminium alloy AL-P8090- Others Element Si Fe Cu Mn Mg Cr Zn Li Zr Ti Each Total Al min. 1,0 0,6 2,2 0,04 2 Chemical composition %
22、max. 0,20 0,30 1,6 0,10 1,3 0,10 0,25 2,7 0,16 0,10 0,05 a 0,15 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 treatment 525 C 535 C / WQ 40 C + 1,75 % controlled stre
23、tched 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 condition Characteristics 8.1 Test sample(s) See EN
24、 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 R p0,2 MPa 270 14 Strength R mMPa 405 15 Elongation A % A 50 mm 8 16 T Reductio
25、n of area Z % 17 Hardness 18 Shear strength R cMPa 19 Bending k 20 Impact strength 21 Temperature C 22 Time h 23 Stress a MPa 24 Elongation a % 25 Rupture stress RMPa 26 C Elongation at rupture A % 27 Notes (see line 98) a EN 4204:20056 30 Microstructure See EN 4400-2. 3a 4 mm 4 mm a 6 mm 7 Microstr
26、ucture shall be fully recrystallized The degree of recrystallization shall be subject to agreement between the manufacturer and purchaser 40 Fracture toughness (K co) See EN 4400-2. 3 T-L 7 100 MPa m 44 External defects See EN 4400-2. 49 Exfoliation corrosion See EN 4400-2. 6 t = 48 h 7 Exfoliation
27、corrosion shall not be greater than that of grade EB 68 Density See EN 4400-2. 7 2,56 kg dm 382 Batch uniformity See EN 4400-2. 5 T451 T841 7 Electrical 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 p
28、er batch 30 per batch 95 Marking inspection See EN 4400-2. 96 Dimensional inspection See EN 4400-2. 98 Notes aNa 10 p.p.m., Ca 120 p.p.m. 99 Typical use EN 4204:20057 100 Product qualification See EN 4400-2. Qualification programme to be agreed between manufacturer and purchaser. EN 4204:2005BS EN 4
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