1、BRITISH STANDARDBS EN 4001:2007Aerospace series Aluminium alloy AL-P2024-T351 Clad sheet and strip with improved chemical milling capability 1,6 mm k a k 6 mmThe European Standard EN 4001:2007 has the status of a British StandardICS 77.150.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g
2、54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 4001:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2007 BSI 2007ISBN 978 0 580
3、50588 1National forewordThis British Standard was published by BSI. It is the UK implementation of EN 4001:2007.The UK participation in its preparation was entrusted by Technical Committee ACE/61, Metallic materials for aerospace purposes, to Panel ACE/61/-/24, Light alloys.A list of organizations r
4、epresented 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.Compliance with a British Standard cannot confer immunity from legal obligations.Amendme
5、nts issued since publicationAmd. No. Date CommentsEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4001 March 2007 ICS 77.150.10 English Version Aerospace series - Aluminium alloy AL-P2024-T351 - Clad sheet and strip with improved chemical milling capability 1,6 mm a 6 mm Srie arospatiale - Alli
6、age daluminium AL-P2024-T351 - Tles et bandes plaques avec aptitude amliore lusinage chimique 1,6 mm a 6 mm Luft- und Raumfahrt - Aluminiumlegierung AL-P2024-T351 - Bleche und Bnder, plattiert mit besserer Eignung zum chemischen Frsen 1,6 mm a 6 mm This European Standard was approved by CEN on 12 Ju
7、ne 2006. 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 standards may be obta
8、ined on application to the CEN 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 notified to the CEN Manage
9、ment Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norw
10、ay, Poland, Portugal, Romania, 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 2007 CEN All rights of exploitation in any for
11、m and by any means reserved worldwide for CEN national Members. Ref. No. EN 4001:2007: E2 Contents Foreword3 Introduction .4 1 Scope 4 2 Normative references 4 EN 4001:20073 Foreword This document (EN 4001:2007) has been prepared by the AeroSpace and Defence Industries Association of Europe - Standa
12、rdization (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 European Standard shall
13、be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2007, and conflicting national standards shall be withdrawn at the latest by September 2007. According to the CEN/CENELEC Internal Regulations, the national standards
14、organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portuga
15、l, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4001:20074 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 prep
16、ared in accordance with EN 4500-2. 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-P2024-T351 Clad sheet and strip with improved chemical milling capability 1,6 mm a 6 mm for aerospace applications. The material is manufactured to a minimum residual stress requiremen
17、t for chemical milling 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 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 4400-2, Aerospace series Aluminium and aluminium alloy wrought products Technical specification Part 2: Sheet and strip 1)EN 4500-2, Aerospace series M
19、etallic 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 Prestandard at the date of publication of this standard. EN 4001:20075 1 Material designation Aluminium alloy AL-P2024- Others
20、 Element Si Fe Cu Mn Mg Cr Zn Ti Each Total Al min. 3,8 0,30 1,2 2 Chemical composition % max. 0,50 0,50 4,9 0,9 1,8 0,10 0,25 0,15 0,05 0,15 Base 3 Method of melting 4.1 Form Clad sheet and strip 4.2 Method of production Rolled 4.3 Limit dimension(s) mm 1,6 a 6 5 Technical specification See EN 4400
21、-2. Delivery condition T351 6.1 Heat treatment 490 C 500 C / WQ 40 C + 0,5 % controlled stretched 3 % + = ambient / t 5d 6.2 Delivery condition code U Use condition T351 7 Heat treatment Delivery condition Characteristics8.1 Test sample(s) See EN 4400-2. 8.2 Test piece(s) See EN 4400-2. 8.3 Heat tre
22、atment Use condition 9 Dimensions concerned mm 1,6 a 3,2 3,2 a 6 10 Thickness of cladding on each face % 2 2 11 Direction of test piece LT LT 12 Temperature C Ambient Ambient 13 Proof stress Rp0,2MPa 280 280 14 Strength RmMPa 430 435 15 Elongation A % A50 mm 14 A50 mm 14 16 T Reduction of area Z % 1
23、7 Hardness 18 Shear strength RcMPa 19 Bending k 20 Impact strength 21 Temperature C 22 Time h 23 Stress aMPa 24 Elongation a % 25 Rupture stress RMPa26 C Elongation at rupture A % 27 Notes (see line 98) EN 4001:20076 See EN 4400-2.7 Dimensions (mm) 1,6 a 3,2 3,2 a 6 38 Intergranular corrosion Depth
24、of penetration 150 200 44 External defects See EN 4400-2. 62 Diffusion in the cladding See EN 4400-2. See EN 4400-2.65 Chemical millability 7 Measurement of residual stress: h 4 mm See EN 4400-2.Material designation Aluminium AL-P1050A Others Element Si Fe Cu Mn Mg Zn Ti Each Total Al min. 99,50 7 m
25、ax. 0,25 0,40 0,05 0,05 0,05 0,07 0,05 0,03 or as an alternative, if agreed between manufacturer and purchaser Material designation Aluminium AL-P1145- Others Element Si + Fe Cu Mn Mg Zn V Ti Each Total Al min. 99,45 7 max. 0,55 0,05 0,05 0,05 0,05 0,05 0,03 0,03 or as an alternative, if agreed betw
26、een manufacturer and purchaser Material designation Aluminium AL-P1230- Others Element Si + Fe Fe Cu Mn Mg Zn Ti V Each Total Al min. 99,3072 Cladding chemical composition % 7 max. 0,70 0,10 0,10 0,05 0,05 0,10 0,03 0,05 0,03 See EN 4400-2.82 Batch uniformity 7 Electrical conductivity See EN 4400-2
27、95 Marking inspection See EN 4400-2. 96 Dimensional inspection See EN 4400-2. 98 Notes 99 Typical use For parts manufactured by chemically milling through the thickness, necessitating control of residual stress. EN 4001:20077 See EN 4400-2. 100 Product qualification Qualification programme to be agr
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