1、BRITISH STANDARD AEROSPACE SERIES BS EN 2702:2005 Aluminium alloy AL-P6061 T6 or T62 Drawn or extruded bar and section a or D k 200 mm The European Standard EN 2702:2005 has the status of a British Standard ICS 49.025.20 BS EN 2702:2005 This British Standard was published under the authority of the
2、Standards Policy and Strategy Committee on 18 November 2005 BSI 18 November 2005 ISBN 0 580 46850 X National foreword This British Standard is the official English language version of EN 2702:2005. The UK participation in its preparation was entrusted by Technical Committee ACE/61, Metallic material
3、s 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 interpretation, or proposals for change, and keep UK interests informed; monito
4、r 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 Standards which implement international or European publications referred to in this doc
5、ument 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 publication does not purport to include all the necessary provisions of a contract
6、. 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 cover, the EN title page, pages 2 to 7 and a back cover. The BSI copyright notice
7、 displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2702 October 2005 ICS 49.025.20 English Version Aerospace series - Aluminium alloy AL-P6061 - T6 or T62 - Drawn or
8、extruded bar and section - a or D 200 mm Srie arospatiale - Alliage daluminium AL-P6061 - T6 ou T62 - Barres et profils fils ou tirs - a ou D 200 mm Luft- und Raumfahrt - Aluminiumlegierung AL-P6061 - T6 oder T62 - Gezogene oder Stranggeprete Stangen und Profile - a oder D 200 mm This European Stand
9、ard was approved by CEN on 19 September 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 alteration. Up-to-date lists and bibliographical references concernin
10、g 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 lang
11、uage 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, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, M
12、alta, 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: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitat
13、ion in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2702:2005: EEN 2702:2005 2 Contents Page Foreword 3 Introduction4 1 Scope .4 2 Normative references .4 EN 2702:2005 3 Foreword This European Standard (EN 2702:2005) has been prepared by the European Association
14、 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 Associations and the Official Services of the member countries of AECMA, prior to its presentati
15、on 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 April 2006, and conflicting national standards shall be withdrawn at the latest by April 2006. Attention is drawn to the possibility that
16、 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. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to
17、implement this European Standard: Austria, 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
18、 Kingdom. 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 in accordance with EN 4500-2. 1 Scope This standard specifies the requirements r
19、elating to: Aluminium alloy AL-P6061- T6 or T62 Drawn or extruded bar and section a or D 200 mm for aerospace applications. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For unda
20、ted 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 4400-3, Aerospace series Aluminium and aluminium alloy wrought
21、products Technical specification Part 3: Bar and section.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) Published as AECMA Prestandard at the date of publicat
22、ion of this standard. EN 2702:20055 1 Material designation Aluminium alloy AL-P6061- Others Element Si Fe Cu Mn Mg Cr Zn Ti Each Total Al min. 0,40 0,15 0,8 0,04 2 Chemical composition % max. 0,8 0,7 0,40 0,15 1,2 0,35 0,25 0,15 0,05 0,15 Base 3 Method of melting 4.1 Form Bar and section 4.2 Method
23、of production Drawn or extruded 4.3 Limit dimension(s) mm a or D 200 5 Technical specification EN 4400-3 Delivery condition F O T4 T6 6.1 Heat treatment 520 C 540 C / WQ 40 C + = ambient / t 5d 520 C 540 C / WQ 40 C + 155 C 175 C 8 h t 16 h 6.2 Delivery condition code F A K U Use condition T62 T6 T6
24、 7 Heat treatment Delivery condition + 520 C 540 C / WQ 40 C + 155 C 175 C / 8 h t 16 h Delivery condition + 155 C 175 C / 8 h t 16 h Delivery condition Characteristics 8.1 Test sample(s) See EN 4400-3. 8.2 Test piece(s) See EN 4400-3. 8.3 Heat treatment Use condition 9 Dimensions concerned mm a or
25、D 200 10 Thickness of cladding on each face % 11 Direction of test piece L 12 Temperature C Ambient 13 Proof stress R p0,2 MPa 245 14 Strength R mMPa 270 15 Elongation A % A or A 50mm 10 16 T Reduction of area Z % 17 Hardness 18 Shear strength R cMPa 19 Bending k 20 Impact strength 21 Temperature C
26、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) EN 2702:20056 44 External defects See EN 4400-3. 61 Internal defects See EN 4400-3. 82 Batch uniformity See EN 4400-3. 5 T4 T6 7 60 (Typical value) 90 (Typical value) Hardness HB
27、16 per product 20 per product 24 per batch 30 per batch 87 Extrusion back-end defect See EN 4400-3. 95 Marking inspection See EN 4400-3. 96 Dimensional inspection See EN 4400-3. 98 Notes 99 Typical use EN 2702:20057 100 Product qualification See EN 4400-3. Qualification programme to be agreed betwee
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