EN 3332-2005 en Aerospace series - Aluminium alloy AL-P7475-T762 Clad sheet and strip 1 0 mm less than or equal to a less than or equal to 6 mm《航空航天系列 AL-P7475-T762型铝合金 覆层铝合金薄板材和带材.pdf

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1、BRITISH STANDARD AEROSPACE SERIESBS EN 3332:2005Aluminium alloy AL-P7475-T762 Clad sheet and strip 1,0 mm u a u 6 mmThe European Standard EN 3332:2005 has the status of a British StandardICS 49.025.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40

2、g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3332:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 7 December 2005 BSI 7 December 2005ISBN 0 580 46351 6National forewordThis Brit

3、ish Standard is the official English language version of EN 3332:2005.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:A list of organizations rep

4、resented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British 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 Ind

5、ex”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.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 confe

6、r immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgat

7、e them in the UK.Summary of pagesThis document comprises a front cover, an inside 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

8、. No. Date CommentsEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3332 June 2005 ICS 49.025.20 English version Aerospace series - Aluminium alloy AL-P7475-T762 - Clad sheet and strip - 1,0 mm a 6 mm Srie arospatiale - Alliage daluminium AL-P7475-T762 - Tles et bandes plaques - 1,0 mm a 6 mm Lu

9、ft- und Raumfahrt - Aluminiumlegierung AL-P7475-T762 -Bleche und Bnder, plattiert - 1,0 mm a 6 mm This 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 European Standard th

10、e 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 (English, French, German

11、). 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, Czech Republic, Denma

12、rk, 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 NORMALISATION EUROP

13、ISCHES 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 3332:2005: EEN 3332:2005 (E) 2 Foreword This document (EN 3332:2005) has been prepared by the Eur

14、opean 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, prior

15、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 drawn

16、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 following

17、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, Swi

18、tzerland and the United Kingdom. EN 3332:2005 (E) 3 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 Th

19、is standard specifies the requirements relating to: Aluminium alloy AL-P7475- T762 Clad sheet and strip 1,0 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 ci

20、ted 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 alu

21、minium 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 Prestandard

22、at the date of publication of this standard. EN 3332:2005 (E) 4 1 Material designation Aluminium alloy AL-P7475- Others Element Si Fe Cu Mn Mg Cr Zn Ti Each Total Al min. 1,2 1,9 0,18 5,2 2 Chemical composition % max. 0,10 0,12 1,9 0,06 2,6 0,25 6,2 0,06 0,05 0,15 Base 3 Method of melting 4.1 Form C

23、lad sheet and strip 4.2 Method of production Rolled 4.3 Limit dimension(s) mm 1,0 a 6 5 Technical specification EN 4400-2 Delivery condition F O T761 6.1 Heat treatment + 460 C 485 C a/ WQ 40 C + 115 C 125 C / 3 h t 6 h + 158 C 178 C / 14 h t 70 h 6.2 Delivery condition code F A P Use condition T762

24、 7 Heat treatment Delivery condition + 460 C 485 C b/ WQ 40 C + 115 C 125 C / 3 h t 6 h + 158 C 178 C / 14 h t 70 h Characteristics 8.1 Test sample(s) See EN 4400-2. 8.2 Test piece(s) See EN 4400-2. 8.3 Heat treatment Delivery condition: O Use condition: T762c9 Dimensions concerned mm 1,0 a 1,6 1,6

25、a 2,3 2,3 a 3,2 3,2 a 61,0 a 1,6 1,6 a 4,7 4,7 a 6 10 Thickness of cladding on each face % 3,2 2,0 1,2 11 Direction of test piece LT LT 12 Temperature C Ambient Ambient 13 Proof stress Rp0,2MPa 137 137 144 370 380 390 14 Strength RmMPa 248 262 268 450 460 470 15 Elongation A % A50 mm 10 A50 mm 9 16

26、T Reduction of area Z % 17 Hardness 18 Shear strength RcMPa 19 Bending k 1: = 180 1,5: = 180 2: = 180 2,5: = 180 20 Impact strength 21 Temperature C 22 Time h 23 Stress aMPa 24 Elongation a % 25 Rupture stress RMPa 26 C Elongation at rupture A % 27 Notes (see line 98) a, b, cEN 3332:2005 (E) 5 32 El

27、ectrical conductivity See EN 4400-2.7 22,7 MS/m Acceptable 22,0 MS/m 22,7 MS/m Acceptable if Rp0,2 Rp0,2min. LT + 60 MPa and/or if exfoliation corrosion tests meet the acceptance criteria: see line 49. 22,0 MS/m Not acceptable 40 Fracture toughness (Kc) See EN 4400-2.5 T762 c7 Dimensions (mm) T-L MP

28、a m 1,0 a 3,2 95 3,2 a 6 85 44 External defects See EN 4400-2. 47 Notch/yield ratio (Re/Rp0,2) See EN 4400-2. 49 Exfoliation corrosion See EN 4400-2. 2 The “capability clause“ shall apply unless testing is required to determine acceptance: see line 32. In that case, frequency of testing shall be agr

29、eed between the manufacturer and purchaser. 7 Exfoliation corrosion shall not be greater than that of grade EB 72 See EN 4400-2. Cladding chemical composition % Material designation Aluminium alloy AL-P7072- Others Element Si + Fe Cu Mn Mg Zn Each Total Al min. 0,8 7max. 0,7 0,10 0,10 0,10 1,3 0,05

30、0,15 Base 95 Marking inspection See EN 4400-2. 96 Dimensional inspection See EN 4400-2. 98 Notes aThis temperature range may be extended to 525 C (particularly to facilitate the use of a continuous solution heat treatment furnace) with the proviso that appropriate prior homogenisation heat treatment

31、s are applied to the rolling ingot and/or sheet/strip to avoid incipient melting (overheating). bIt is recommended that material in the O delivery condition shall not be formed, stretched and/or straightened in excess of approximately 3 % before solution heat treatment, in order to avoid the develop

32、ment of coarse grain. cDue to possible problems of test piece distortion after solution heat treatment and quenching by the purchaser, fracture toughness tests may be carried out on material in the T761 condition, in which case tensile tests shall be carried out in both T761 and T762 tempers. Howeve

33、r, although T761 and T762 properties should be similar, it should be recognised that the latter may be affected by the purchasers processing and practices and, accordingly, T762 properties cannot be guaranteed by the manufacturer. 99 Typical use EN 3332:2005 (E) 6 100 Product qualification See EN 44

34、00-2. Qualification programme to be agreed between manufacturer and purchaser. blankBS EN 3332:2005BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe an

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