1、BSI Standards PublicationBS EN 3997:2015Aerospace series Aluminiumalloy AL-P2024 Al Cu4Mg1 T3 Sheet and strip 0,4mm a 6 mmBS EN 3997:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 3997:2015.It supersedes BS EN 3997:2007 which is withdrawn.The UK participat
2、ion in its preparation was entrusted to TechnicalCommittee 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 a
3、re responsible for its correctapplication. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 81514 0ICS 49.025.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theSt
4、andards Policy and Strategy Committee on 30 November 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 3997:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3997 November 2015 ICS 49.025.20 Supersedes EN 3997:2007English Version Aerospace series - Aluminium
5、 alloy AL-P2024- Al Cu4Mg1 - T3 - Sheet and strip - 0,4 mm a 6 mm Srie arospatiale - Alliage daluminium AL-P2024- Al Cu4Mg1 - T3 - Tles et bandes - 0,4 mm a 6 mm Luft- und Raumfahrt - Aluminiumlegierung AL-P2024- Al Cu4Mg1 - T3 - Bleche und Bnder - 0,4 mm a 6 mm This European Standard was approved b
6、y CEN on 14 March 2013. 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 concerning such national standa
7、rds may be obtained on application to the CEN-CENELEC Management Centre 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 language and not
8、ified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, I
9、celand, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Ma
10、nagement Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3997:2015 EBS EN 3997:2015EN 3997:2015 (E) 2 Contents Page European foreword 3 Introduction 4 1 Scope 5 2 Normative references
11、5 BS EN 3997:2015EN 3997:2015 (E) 3 European foreword This document (EN 3997:2015) has been prepared by 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 r
12、eceived the approval of the National Associations and the Official Services of the member countries of 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 20
13、16, and conflicting national standards shall be withdrawn at the latest by May 2016. 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. T
14、his document supersedes EN 3997:2007. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugos
15、lav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 3997:2015EN 3997:2015 (E) 4 Introduction Th
16、is 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. BS EN 3997:2015EN 3997:2015 (E) 5 1 Scope This standard specifies the require
17、ments relating to: Aluminium alloy AL-P2024- Al Cu4Mg1 T3 Sheet and strip 0,4 mm a 6 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 undated refe
18、rences, 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, Aerospace series Aluminium and aluminium alloy wrought products
19、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) Published as ASD-STAN Prestandard at the date of publication of
20、this standard (www.asd-stan.org). BS EN 3997:2015EN 3997:2015 (E) 6 1 Material designation Aluminium alloy AL-P2024- Al Cu4Mg1 T3 2 Chemical composition % Element Si Fe Cu Mn Mg Cr Zn 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 0,05 0,15 3 Method of melti
21、ng _ 4.1 Form Sheet and strip 4.2 Method of production Rolled 4.3 Limit dimension(s) mm 0,4 a 6 5 Technical specification EN 4400-2 6.1 Delivery condition T3 Heat treatment 490 C 500 C / WQ 40 C + Slight levelling permitted + age at room temperature t 5 days 6.2 Delivery condition code U 7 Use condi
22、tion T3 Heat treatment Delivery condition 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 0,4 a 0,8 0,8 a 1,6 1,6 a 3,2 3,2 a 6 10 Thickness of cladding on each face % 11 Direction of test piece L LT L LT L
23、 LT L LT 12 T Temperature C Ambient 13 Proof stress Rp0,2 MPa 325 290 325 290 325 290 325 290 14 Strength Rm MPa 440 440 440 440 440 440 450 445 15 Elongation A50 mm % 15 15 15 15 15 15 15 15 16 Reduction of area Z % 17 Hardness 18 Shear strength Rc MPa 19 Bending k 2,5; = 180 3; = 180 3; = 180 4; =
24、 180 20 Impact strength 21 C Temperature C 22 Time h 23 Stress a MPa 24 Elongation a % 25 Rupture stress R MPa 26 Elongation at rupture A % 27 Notes (see line 98) BS EN 3997:2015EN 3997:2015 (E) 7 38 Intergranular corrosion EN 4400-2 7 Dimensions (mm) 0,4 a 1,6 1,6 a 3,2 3,2 a 6 Depth of penetration
25、 (m) 125 150 200 44 External defects EN 4400-2 82 Batch uniformity EN 4400-2 (Material verification) 7Electrical conductivity MS/m 19 (typical value) or 7 Hardness HBW 100 (typical value) 20 per product 30 per batch 95 Marking inspection EN 4400-2 96 Dimensional inspection EN 4400-2 98 Notes _ 99 Ty
26、pical use _ BS EN 3997:2015EN 3997:2015 (E) 8 100 Product qualification EN 4400-2 46 Fatigue EN 4400-2 7 max. (MPa) Number of cycles R Kt Direction 300 1040.1 2.3 LT 165 105140 106135 10771 Crack propagation EN 4400-2 2 Specimens taken in LT direction 7 K MPa m R = 0,1 10 15 20 30 da/dN mm/cycle 10-
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