1、BSI Standards PublicationBS EN 3982:2015Aerospace series Aluminiumalloy AL-P7050 AlZn6CuMgZr T7451 Plates 6 mm a 160 mmBS EN 3982:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 3982:2015.The UK participation in its preparation was entrusted to TechnicalCom
2、mittee 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 Briti
3、sh Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 81515 7ICS 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
4、 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 3982:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3982 November 2015 ICS 49.025.20 English Version Aerospace series - Aluminium alloy AL-P7050 - AlZn6CuMgZr - T7451 - Plates - 6 mm a 160 mm Srie arospat
5、iale - Alliage daluminium AL-P7050 - AlZn6CuMgZr - T7451 - Tles paisses - 6 mm a 160 mm Luft- und Raumfahrt - Aluminiumlegierung AL-P7050 -AlZn6CuMgZr - T7451 - Platten - 6 mm a 160 mmThis European Standard was approved by CEN on 14 March 2013. CEN members are bound to comply with the CEN/CENELEC In
6、ternal 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 standards may be obtained on application to the CEN-CENELEC Management Centre or to a
7、ny 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 notified to the CEN-CENELEC Management Centre has the same status as the official
8、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, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norw
9、ay, 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 Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of explo
10、itation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3982:2015 EBS EN 3982:2015EN 3982:2015 (E) 2 Contents Page European foreword 3 Introduction 4 1 Scope 5 2 Normative references 5 BS EN 3982:2015EN 3982:2015 (E) 3 European foreword This document (EN 3982:20
11、15) 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 received the approval of the National Associations and the Official Services of
12、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 2016, and conflicting national standards shall be withdrawn at the latest by May
13、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. According to the CEN-CENELEC Internal Regulations, the national standards organi
14、zations of the following 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, M
15、alta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 3982:2015EN 3982:2015 (E) 4 Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organizati
16、on of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-2. BS EN 3982:2015EN 3982:2015 (E) 5 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-P7050- AlZn6CuMgZr T7451 Plates 6 mm a 160 mm for aerospace applications. 2 Norm
17、ative references The following 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)
18、 applies. EN 4258, Aerospace series Metallic materials General organization of standardization Links between types of EN standards and their use EN 4400-1, Aerospace series Aluminium and aluminium alloy wrought products Technical specification Part 1: Plate 1)EN 4500-2, Aerospace series Metallic mat
19、erials 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 3982:2015EN 3982:2015 (E) 6 1 Material designation
20、 Aluminium alloy AL-P7050 AlZn6CuMgZr - T7451 2 Chemical composition % Element Si Fe Cu Mn Mg Cr Zn Zr Ti Others Al Each Total min. 2,0 1,9 5,70,08 Basemax. 0,12 0,15 2,6 0,10 2,6 0,04 6,7 0,15 0,06 0,05 0,15 3 Method of melting 4.1 Form Plate 4.2 Method of production Rolled 4.3 Limit dimension(s) m
21、m 6 a 160 5 Technical specification EN 4400-1 6.1 Delivery condition W51 T7451 Heat treatment 470 C 485 C / WQ 40 C + 1,5 % controlled stretched 3 % + = ambient 470 C 485 C / WQ 40 C + 1,5 % controlled stretched 3 % + 115 C 125 C / 4 h t 24 h a + 157 C 175 C / 12 h t 30 h a6.2 Delivery condition cod
22、e W U 7 Use condition T7451 T7451 Heat treatment Delivery condition + 115 C 125 C / 4 h t 24 h a+ 157 C 175 C / 12 h t 30 h aDelivery condition Characteristics 8.1 Test sample(s) See EN 4400-1. 8.2 Test piece(s) See EN 4400-1. 8.3 Heat treatment Use condition 9 Dimensions concerned mm 6 a 12,5 12,5
23、a 50 50 a 75 10 Thickness of cladding on each face % 11 Direction of test piece L LT L LT L LT ST 12 T Temperature C Ambient Ambient Ambient 13 Proof stress Rp0,2 MPa 440 440 440 440 435 435 405 14 Strength Rm MPa 510 510 510 510 505 505 470 15 Elongation A % A50mm 9 A50mm 8 9 8 8 7 2,5 b16 Reductio
24、n of area Z % continued 9 Dimensions concerned mm 75 a 100 100 a 125 125 a 160 10 Thickness of cladding on each face % 11 Direction of test piece L LT ST L LT ST L LT ST 12 T Temperature C Ambient Ambient Ambient 13 Proof stress Rp0,2 MPa 425 425 400 420 420 395 415 415 395 14 Strength Rm MPa 495 49
25、5 470 490 490 460 485 485 460 15 Elongation A % 8 5 2,5 b 8 5 2,5 b 7 4 2 c16 Reduction of area Z % 17 Hardness HBW 18 Shear strength Rc MPa 19 Bending k 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 (s
26、ee line 98) a, b, c BS EN 3982:2015EN 3982:2015 (E) 7 32 Electrical conductivity EN 4400-1 7 23,0 MS/m Acceptable 22,0 MS/m 23,0 MS/m Acceptable if Rp0,2 LT Rp0,2 min. LT + 70 MPa or if stress corrosion test is acceptable. 22,0 MS/m Not acceptable 39 Stress corrosion EN 4400-1 2 The “capability clau
27、se“ applies 6 = 240 MPa 7 t 20 d 40 Fracture toughness (K1c) EN 4400-1 7 Dimensions LT TL SL mm MPa m MPa m MPa m 25 a 50 32 27 50 a 75 30 26 23 75 a 100 28 25 23 100 a 125 27 24 23 125 a 160 26 24 23 44 External defects EN 4400-1 47 Notch/yield ratio Re/Rp0,2 EN 4400-1 49 Exfoliation corrosion EN 4
28、400-1 7 Exfoliation corrosion shall not be greater than that of grade EB. 61 Internal defects EN 4400-1 82 Batch uniformity EN 4400-1 95 Marking inspection EN 4400-1 96 Dimensional inspection EN 4400-1 98 Notes a Artificial ageing may be carried out using the following alternative single stage metho
29、d: heating to a temperature of 157 C 175 C at a rate not exceeding 20 C/h and soaking at this temperature for 12 h t 30 h. b Alternatively A4D 3 if required by the purchaser. c Alternatively A4D 2,5 if required by the purchaser. 99 Typical use BS EN 3982:2015EN 3982:2015 (E) 8 100 Product qualificat
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