BS EN 2704-2015 Aerospace series Aluminium alloy AL-P2024 AlCu4Mg1 T3511 Drawn bars De 75 mm《航空航天系列 AL-P2024型铝合金 AlCu4Mg1 T3511 拉制棒材 De 75 mm》.pdf

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1、BSI Standards PublicationBS EN 2704:2015Aerospace series Aluminiumalloy AL-P2024 AlCu4Mg1 T3511 Drawn bar De 75 mmBS EN 2704:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 2704:2015.The UK participation in its preparation was entrusted to TechnicalCommitte

2、e ACE/61/-/24, Light Alloys for Aerospace Purposes.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British St

3、andards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 82078 6ICS 49.025.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 November 2015

4、.Amendments/corrigenda issued since publicationDate Text affectedBS EN 2704:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2704 November 2015 ICS 49.025.20 English Version Aerospace series - Aluminium alloy AL-P2024 - AlCu4Mg1 - T3511 - Drawn bars - De 75 mm Srie arospatiale - Alliage dalu

5、minium AL-P2024 - AlCu4Mg1 - T3511 - Barres tires - De 75 mm Luft- und Raumfahrt - Aluminiumlegierung AL-P2024 -AlCu4Mg1 - T3511 - Gezogene Stangen - De 75 mm This European Standard was approved by CEN on 14 March 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which

6、stipulate the conditions 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 CEN-CENELEC Management Centre or to any CEN member. This Europ

7、ean 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 language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are

8、 the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Rom

9、ania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by

10、 any means reserved worldwide for CEN national Members. Ref. No. EN 2704:2015 EBS EN 2704:2015EN 2704:2015 (E) 2 Contents Page European foreword . 3 Introduction 4 1 Scope 5 2 Normative references 5 BS EN 2704:2015EN 2704:2015 (E) 3 European foreword This document (EN 2704:2015) has been prepared by

11、 the Aerospace and Defence Industries Association of Europe - Standardization (ASD-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

12、ASD, 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 May 2016, and conflicting national standards shall be withdrawn at the latest by May 2016. Attention is drawn

13、 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. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following

14、 countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norwa

15、y, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 2704:2015EN 2704:2015 (E) 4 Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is des

16、cribed in EN 4258. This standard has been prepared in accordance with EN 4500-2. BS EN 2704:2015EN 2704:2015 (E) 5 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-P2024 AlCu4Mg1 T3511 Drawn bar De 75 mm for aerospace applications. 2 Normative references The following

17、 documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies EN 2004-1, Aerospace

18、series Test methods for aluminium and aluminium alloy products Part 1: Determination of electrical conductivity of wrought aluminium alloys products EN 4050-4, Aerospace series Test method for metallic materials Ultrasonic inspection of bars, plates, forging stock and forgings Part 4: Acceptance cri

19、teria 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 products Technical specification Part 3: Bar and section1)EN 4500-2, Aerospace series Metalli

20、c materials Rules for drafting and presentation of material standards Part 2: Specific rules for aluminium, aluminium alloys and magnesium alloys 1)1) Published as ASD-STAN Prestandard at the date of publication of this standard (www.asd-stan.org). BS EN 2704:2015EN 2704:2015 (E) 6 1 Material design

21、ation Aluminium alloy AL-P2024 AlCu4Mg1 T3511 2 Chemical composition % Element Si Fe Cu Mn Mg Cr Zn Ti Zr + Ti Others Al Each Total min. 3,8 0,30 1,2 Base max. 0,50 0,50 4,9 0,9 1,8 0,10 0,25 0,15 0,20 0,05 0,15 3 Method of melting _ 4.1 Form Bar 4.2 Method of production Drawn 4.3 Limit dimension(s)

22、 mm De 75 5 Technical specification EN 4400-3 6.1 Delivery condition T3511 Heat treatment Solution treated 490 C 500 C / WQ 40 C + 1,5 % controlled stretched 3 % + minor straightening permitted + = ambient / t 5 d 6.2 Delivery condition code U 7 Use condition T3511 Heat treatment Delivery condition

23、Characteristics 8.1 Test sample(s) See EN 4400-3. 8.2 Test piece(s) See EN 4400-3. 8.3 Heat treatment T3511 9 Dimensions concerned mm De 75 10 Thickness of cladding on each face % 11 Direction of test piece L 12 T Temperature C Ambient 13 Proof stress Rp0,2 MPa 315 14 Strength Rm MPa 440 15 Elongati

24、on A % 13 a16 Reduction of area Z % 17 Hardness HBW 120 (for information) 18 Shear strength RC MPa 19 Bending k 20 Impact K J 21 C Temperature C 22 Time t h 23 Stress a MPa 24 Elongation a % 25 Rupture stress R MPa 26 Elongation at rupture A % 27 Notes (see line 98) aBS EN 2704:2015EN 2704:2015 (E)

25、7 32 Electrical conductivity EN 4400-3 1 See EN 2004-1. 7 17 MS/m 20 MS/m 44 External defects EN 4400-3 61 Internal defects EN 4400-3 1 See EN 4050-4. 7 Class 3 95 Marking inspection EN 4400-3 96 Dimensional inspection EN 4400-3 98 Notes aA50 mm 12 % for thicknesses De 10 mm. 99 Typical use BS EN 27

26、04:2015EN 2704:2015 (E) 8 100 Product qualification EN 4400-3 Qualification programme to be agreed between manufacturer and purchaser. This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and servi

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28、nnovators and others to shape their combined experience and expertise into standards -based solutions.The knowledge embodied in our standards has been carefully assembled in a dependable format and refined through our open consultation process. Organizations of all sizes and across all sectors choos

29、e standards to help them achieve their goals.Information on standardsWe can provide you with the knowledge that your organization needs to succeed. Find out more about British Standards by visiting our website at or contacting our Customer Services team or Knowledge Centre.Buying standardsYou can b

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