1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58The European Standard EN 2486:2005 has the status of a British StandardICS 49.025.20Aluminium alloy
2、 AL-P2618A Forging stockBRITISH STANDARD AEROSPACE SERIESBS EN 2486:2005BS EN 2486:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 25 November 2005 BSI 25 November 2005ISBN 0 580 47274 4Cross-referencesThe British Standards which implemen
3、t 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 Online.This publication does no
4、t 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 inside front cover, the EN title p
5、age, pages 2 to 7 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 be obtained on request to its secretary.enquiries o
6、n 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 EN 2486:2005.The UK participation in its preparation
7、 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/European committee any EUROPEAN STANDARDNORME EUROPENNEE
8、UROPISCHE NORMEN 2486February 2005ICS 49.025.20English versionAerospace series - Aluminium alloy AL-P2618A - Forging stockSrie arospatiale - Alliage daluminium AL-P2618A -Produits destins la forgeLuft- und Raumfahrt - Aluminiumlegierung AL-P2618A -SchmiedevormaterialThis European Standard was approv
9、ed by CEN on 10 September 2004.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationals
10、tandards 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). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified t
11、o the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Nor
12、way, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any
13、means reservedworldwide for CEN national Members.Ref. No. EN 2486:2005: EEN 2486:2005 (E) 2 Contents Page Foreword3 0 Introduction4 1 Scope 4 2 Normative references 4 EN 2486:2005 (E) 3 Foreword This document (EN 2486:2005) has been prepared by the European Association of Aerospace Manufacturers - S
14、tandardization (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 to its presentation to CEN. This European Standa
15、rd shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2005, and conflicting national standards shall be withdrawn at the latest by August 2005. According to the CEN/CENELEC Internal Regulations, the national standar
16、ds organizations of the following 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, Slov
17、akia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 2486:2005 (E) 4 0 Introduction This document 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 document has been prepared in accor
18、dance with EN 4500-2. 1 Scope This document specifies the requirements relating to: Aluminium alloy AL-P2618A Forging stock for aerospace applications. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edi
19、tion cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 4400-6, Aerospace series Aluminium and aluminium- and magnesium- alloys Technical specification Part 6: Aluminium alloy forging stock.1)EN 4258, Aerospace series Metallic
20、materials General organization of standardization Links between types of EN standards and their use. 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
21、AECMA Prestandard at the date of publication of this standard EN 2486:2005 (E) 5 1 Material designation Aluminium alloy AL-P2618A Others Element Si Fe Cu Mn Mg Ni Zn Ti +Zr Ti 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 0,25 0,20 0,05 0,15 Bas
22、e 3 Method of melting 4.1 Form Ingot or billet Rod, bar or section Plate 4.2 Method of production Cast Extruded Hot rolled 4.3 Limit dimension(s) mm a or D 1000 a or D 400 a 400 5 Technical specification EN 4400-6 EN 4400-6 EN 4400-6 6.1 Delivery condition 03 F F Heat treatment 6.2 Delivery conditio
23、n code U U U 7 Use condition 03 F F Heat treatment Delivery condition Delivery condition Delivery condition Characteristics 8.1 Test sample(s) See EN 4400-6 See EN 4400-6 See EN 4400-6 8.2 Test piece(s) See EN 4400-6 See EN 4400-6 See EN 4400-6 8.3 Heat treatment T6 ( see line 29 ) T6 ( see line 29
24、) T6 ( see line 29 ) 9 Dimensions concerned mm See EN 4400-6 See EN 4400-6 See EN 4400-6 10 Thickness of cladding on each face % 11 Direction of test piece L L L 12 Temperature C Ambient Ambient Ambient 13 Proof stress Rp0,2MPa 340a 340a 340a14 Strength RmMPa 430a 430a 430a15 Elongation A % 6a 6a 6a
25、16 TReduction of area Z % 17 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 RMPa 26 C Elongation at rupture A % 27 Notes (see line 98) aEN 2486:2005 (E) 6 29 Reference heat treatment Forged test pieces (c
26、ast stock, extruded stock or plate) or delivery condition (extruded stock) + 520 C 535 Cb/ WQ Boiling water + 195 C 205 C / 16 h t 24 h 44 External defects See EN 4400-6 61 Internal defects See EN 4400-6 See EN 4400-6 3 Extruded forging stock 87 Back - end defect 7 See EN 4400-6 See EN 4400-6 3 Extr
27、uded forging stock 88 Peripheral coarse grain 7 Level A95 Marking inspection See EN 4400-6 96 Dimensional inspection See EN 4400-6 98 Notes a The “capability clause“ may apply bA longer solution heat treatment time than is usual may be required for this alloy, typically 4h t 24h 99 Typical use EN 24
28、86:2005 (E) 7 See EN 4400-6 100 Product qualification Qualification programme to be agreed between the manufacturer and purchaser. BS EN BSI389 Chiswick High RoadLondonW4 4AL2486:2005BSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It
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