1、AECMA STANDARD NORME AECMA AECMA NORM prEN 3997 Edition P 2 July 2002 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION AEgrnbsTAm Guliedelle 94 - B-1200 Brussels - Tel. + 32 2 775 81 10 - Fax. + 32 2 775 81 11 - www.aecma-stan.org ICs: Descriptors: Supersedes edition P
2、 1 August 1993 Aerospace series Aluminium alloy AL-PZ024- T3 Sheet and strip 0,4 mm , al 6 mm Srie arospatiale Alliage daluminium AL-P2024- T3 Tles et bandes 04 mm 5 al 6 mm Luft- und Raumfahrt Aluminiumlegierung AL-P2024- T3 Bleche und Bnder 04 mm l al 6 mm This “Aerospace Series“ Prestandard has b
3、een drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments
4、. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of AECMA-STAN it will be
5、 submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. - - Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX I I I Edition approved for publication 1 Comments should be
6、 sent within six months after the date of pubiication to Material Domain I 31 July2002 AECMA-STAN Gulledeile 94 8-1200 BRUXELLES Copyright 2002 O by AECMA-STA Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproducti
7、on or networking permitted without license from IHS-,-,-Page 2 prEN 3997: 2002 Blank page Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 3 prEN 3
8、997: 2002 O 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 standard specifies the requirements r
9、elating to: Aluminium alloy AL-P2024- T3 Sheet and strip 0,4 mm 2 a 5 6 mm for aerospace application. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the tex
10、t and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applie
11、s. 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
12、 - 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 at the date of publication of this standard Copyright Association Europeene des Constructeurs de Materi
13、el Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 4 prEN 3997: 2002 1 Material designation 2 Chemical Element composition % min. max. 3 Method of melting Aluminium alloy AL-P2024- si Fe Cu Mn Mg Cr Zn Ti AI
14、- - 3,8 0,30 1,2 - - - - - 0,50 050 4.9 0,9 1,8 0,lO 0,25 0,15 0,05 0,15 Others Each Total Base - - Sheet and strip I - 4.2 Method of production Rolled 4.3 Limit dimension(s) mm 0,4 5 a 16 5 Technical specification EN 4400-2 6.1 Delivery condition Heat treatment T3 490 OC - e 500 OC 1 WQ e- 40 OC +
15、cold work + e= ambient It 2 5 d - 6.2 Delivery condition code 7 Use condition Heat treatment Characteristics U T3 Delivery condition 8.1 I Test sample(c) I See EN 4400-2. 1 I 9 11 12 13 - I See EN 4400-2. 18.2 I Test piece(c) I Dimensionsconcerned mm 0,4 I a I0,8 0,8 a 5 1,6 1,6 a 5 3,2 3,2 a I 6 ea
16、ch face Direction of test piece LT LT LT LT Thickness of cladding on % - - - - Temperature e oc Ambient Ambient Ambient Ambient Proof stress Rm.2 MPa 2 290 2 290 2 290 2 290 18.3 I Heat treatment I Use condition I 14 15 16 17 -. - - T Strength R, MPa 2 440 2 440 2 445 2 445 Elongation A% Asomrn 2 14
17、 komm 2 14 ASornrn 2 14 Asornrn 2 14 Reduction of area Z % - - - - Hardness - - - - 18 - - Shear strength R, MPa - - 19 I 20 I Impact strength Bending k- 2,5; a = 180“ 3; a= 180“ 3; a= 180“ 4; a= 180“ I 0, a h MPa % - - - - 25 Rupture stress UR MPa - - - Elongation at A % 26 rupture 27 Notes (see li
18、ne 98) - Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 5 prEN 3997: 2002 7 itergranular corrosion Dimensions (mm) 0,4 I a 5 1,6 1,6 a I 3,2 3,2
19、a 5 6 Depth of penetration (run) 5 125 I150 I 200 xtemal defects ,atch unifomity - 7 - Marking inspection Dimensional inspection See EN 4400-2. Electrical conductivity Y MSlm 17,5 (Typical value) I Notes Hardness Typical use HB 125 (Typical value) 6 I 16 per product A 5 24 per batch -I See EN 4400-2
20、. - - See EN 4400-2. See EN 4400-2. -I See EN 4400-2. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 6 prEN 3997: 2002 roduct qualification See EN 4400-2. !ualification programme to be agreed between manufacturer and purchaser. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
