1、BSI Standards PublicationBS EN 3983:2013Aerospace series Aluminium alloy AL-P7050- T7651 Plate 6 mm a 160 mmBS EN 3983:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 3983:2013. The UK participation in its preparation was entrusted to TechnicalCommittee ACE
2、/61/-/24, Light Alloys for Aerospace Purposes. A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Sta
3、ndards Institution 2013.Published by BSI Standards Limited 2013ISBN 978 0 580 81516 4 ICS 49.025.20 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September
4、2013.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 3983:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3983 September 2013 ICS 49.025.20 English Version Aerospace series - Aluminium alloy AL-P7050- - T7651 - Plate -6 mm a 160 mm Srie arospatiale - Alliage
5、daluminium AL-P7050- - T7651 - Tles paisses - 6 mm a 160 mm Luft- und Raumfahrt - Aluminiumlegierung AL-P7050- - T7651 - Platten - 6 mm a 160 mm This European Standard was approved by CEN on 19 July 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the c
6、onditions 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 European Standard ex
7、ists 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 the national s
8、tandards 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, Romania, Slovakia,
9、 Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldw
10、ide for CEN national Members. Ref. No. EN 3983:2013: EBS EN 3983:2013EN 3983:2013 (E) 2 Contents Page Foreword 3 Introduction . 4 1 Scope 5 2 Normative references 5 BS EN 3983:2013EN 3983:2013 (E) 3 Foreword This document (EN 3983:2013) has been prepared by the Aerospace and Defence Industries Assoc
11、iation 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 ASD, prior to its presentation to CEN. This
12、 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 March 2014, and conflicting national standards shall be withdrawn at the latest by March 2014. Attention is drawn to the possibility that some of the el
13、ements 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 implement this
14、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, Norway, Poland, Portugal, Romania, Slovakia,
15、 Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 3983:2013EN 3983:2013 (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 described in EN 4258. This standard has be
16、en prepared in accordance with EN 4500-2. BS EN 3983:2013EN 3983:2013 (E) 5 1 Scope This European Standard specifies the requirements relating to: Aluminium alloy AL-P7050- T7651 Plate 6 mm a 160 mm for aerospace applications. 2 Normative references The following documents, in whole or in part, are
17、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 4258, Aerospace series Metallic materials General orga
18、nization 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 materials Rules for drafting and presentation of material standards Pa
19、rt 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. http:/www.asd-stan.org/ BS EN 3983:2013EN 3983:2013 (E) 6 1 Material designation Aluminium alloy AL-P7050- T7651 2 Chemical composition % Elem
20、ent 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) mm 6 a 160 5 Technical specification EN 4400-1 6.1 Delivery condition W51 T7
21、651 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 / 8 h t 20 h a6.2 Delivery condition code W U 7 Use condition T7651 T7651 Heat treatment Delivery condition + 115 C 1
22、25 C / 4 h t 24 h a+ 157 C 175 C / 8 h t 20 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 a 50 50 a 75 10 Thickness of cladding on each face % 11 Direction of test piec
23、e L LT L LT L LT ST 12 T Temperature C Ambient Ambient Ambient 13 Proof stress Rp0,2MPa 455 455 455 455 455 455 415 14 Strength RmMPa 525 525 525 525 525 525 485 15 Elongation A50mm% 9 8 9 8 8 7 2,5 b16 Reduction of area Z % continued 9 Dimensions concerned mm 75 a 100 100 a 125 125 a 160 10 Thickne
24、ss 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 Rp0,2MPa 445 445 410 440 440 400 430 430 400 14 Strength RmMPa 515 515 480 510 510 475 505 505 470 15 Elongation A % 6 5 2 c 6 5 2 c 5 4 1,5 d16 Reduction of ar
25、ea Z % 17 Hardness HBW 18 Shear strength RcMPa 19 Bending k 20 Impact strength 21 C Temperature C 22 Time h 23 Stress aMPa 24 Elongation a % 25 Rupture stress RMPa 26 Elongation at rupture A % 27 Notes (see line 98) a, b, c, d BS EN 3983:2013EN 3983:2013 (E) 7 32 Electrical conductivity EN 4400-1 7
26、22,5 MS/m Acceptable 21,5 MS/m 22,5 MS/m Acceptable if Rp0,2LT Rp0,2min. LT + 70 MPa or if stress corrosion test is acceptable. 21,5 MS/m Not acceptable 39 Stress corrosion EN 4400-1 2 The “capability clause“ applies 6 = 175 MPa 7 t 20 d 40 Fracture toughness (K1c) EN 4400-1 7 Dimensions L-T T-L S-L
27、 mm MPa m MPa m MPa m 25 a 50 28 26 50 a 75 26 25 22 75 a 100 26 24 22 100 a 125 25 24 22 125 a 160 25 23 22 44 External defects EN 4400-1 47 Notch/yield ratio Re/Rp0,2 EN 4400-1 49 Exfoliation corrosion EN 4400-1 7 Exfoliation corrosion shall not be greater than that of grade EB. 61 Internal defect
28、s 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 method: heating to a temperature of 157 C 175 C at a rate not exceeding 20 C/h and soaking at thi
29、s temperature for 8 h t 20 h. b Alternatively A4 3 if required by the purchaser. c Alternatively A4 2,5 if required by the purchaser. d Alternatively A4 2 if required by the purchaser. 99 Typical use BS EN 3983:2013EN 3983:2013 (E) 8 100 Product qualification EN 4400-1 Qualification programme to be
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