1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g580,4 mm ka k6 mmThe European Standard EN 3552:2005 has the status of a British StandardICS 49.025.20
2、Aluminium alloy AL-P2618A-T6 or T62 Clad sheet and strip BRITISH STANDARD AEROSPACE SERIESBS EN 3552:2005BS EN 3552:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 7 October 2005 BSI 7 October 2005ISBN 0 580 46356 7Cross-referencesThe Bri
3、tish Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards On
4、line.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 does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an insid
5、e front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsA list of organizations represented on this subcommittee can
6、be obtained on request to its secretary.enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.National forewordThis British Standard is the official English language version of E
7、N 3552:2005.The UK participation in its preparation was entrusted by Technical Committee ACE/61, Metallic materials for aerospace purposes, to Subcommittee ACE/61/-/24, Light alloys, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/Europ
8、ean committee any EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3552 June 2005 ICS 49.025.20 English version Aerospace series - Aluminium alloy AL-P2618A-T6 or T62 - Clad sheet and strip - 0,4 mm a 6 mm Srie arospatiale - Alliage daluminium AL-P2618A-T6 ou T62 - Tles et bandes plaques - 0,4 m
9、m a 6 mm Luft- und Raumfahrt - Aluminiumlegierung AL-P2618A-T6 oder T62 - Bleche und Bnder, plattiert - 0,4 mm a 6 mmThis European Standard was approved by CEN on 22 April 2005. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this E
10、uropean 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 Central Secretariat or to any CEN member. This European Standard exists in three official versions (Engl
11、ish, 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 Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Cz
12、ech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE
13、NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3552:2005: E2 Foreword This document (EN 3552:2005) has been prepared by the E
14、uropean Association of Aerospace Manufacturers - Standardization (AECMA-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 AECMA, prio
15、r 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 December 2005, and conflicting national standards shall be withdrawn at the latest by December 2005. Attention is draw
16、n 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 followin
17、g countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, S
18、witzerland and the United Kingdom. EN 3552:20053 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 prepared in accordance with EN 4500-2. 1 Scope This
19、standard specifies the requirements relating to: Aluminium alloy AL-P2618A T6 or T62 Clad sheet and strip 0,4 mm a 6 mm for aerospace application. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition
20、cited applies. For undated references, 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 a
21、luminium alloy wrought products 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 AECMA Prestandar
22、d at the date of publication of this standard. EN 3552:20054 1 Material designation Aluminium alloy AL-P2618A Others Element Si Fe Cu Mn Mg Ni Zn Ti Ti + Zr Each Total Al min. 0,15 0,9 1,8 1,2 0,8 2 Chemical composition % max. 0,25 1,4 2,7 0,25 1,8 1,4 0,15 0,20 0,25 0,05 0,15 Base 3 Method of melti
23、ng 4.1 Form Clad 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 Delivery condition F O T6 6.1 Heat treatment 525 C 535 C / WQ 40 C + 180 C 205 C / 16 h t 24 h 6.2 Delivery condition code F A U Use condition T62 aT67 Heat treatmen
24、t Delivery condition + 525 C 535 C / WQ 40 C + 195 C 205 C / 16 h t 24 h 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: T6 or T62 9 Dimensions concerned mm 0,4 a 3 3 a 6 10 Thickness of cladding on each face % 4
25、 2 11 Direction of test piece LT LT 12 Temperature C Ambient Ambient 13 Proof stress Rp0,2MPa 310 325 14 Strength RmMPa 390 395 15 Elongation A % A50 mm 7 A50 mm 5 16 T Reduction of area Z % 17 Hardness 18 Shear strength RcMPa 19 Bending k 20 Impact strength 21 Temperature C 22 Time h 23 Stress aMPa
26、 24 Elongation a % 25 Rupture stress RMPa 26 C Elongation at rupture A % 27 Notes (see line 98) a EN 3552:20055 44 External defects See EN 4400-2. See EN 4400-2. Material designation Aluminium alloy AL-P7072- Others Element Si + Fe Cu Mn Mg Zn Each Total Al min. 0,8 72 Cladding chemical composition
27、% 7max. 0,7 0,10 0,10 0,10 1,3 0,05 0,15 Base 82 Batch uniformity See EN 4400-2. 5 T6 7 Electrical conductivity See EN 4400-2. 95 Marking inspection See EN 4400-2. 96 Dimensional inspection See EN 4400-2. 98 Notes aRepeated re-solution heat treatment is not recommended due to the effects of copper d
28、iffusion in the cladding upon elevated temperature properties. 99 Typical use EN 3552:20056 100 Product qualification See EN 4400-2. Qualification programme to be agreed between manufacturer and purchaser. EN 3552:2005blankBS EN BSI389 Chiswick High RoadLondonW4 4AL3552:2005BSI British Standards Ins
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