1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 31 July2002 prEN 4001 Edition P 2 July 2002 Comments should be sent within six months after the date of publication to Gulledelle 94 Material Domain AECMA-STAN 6-1200 BRUXELLES PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE I
2、NDUSTRIES - STANDARDIZATION I Qm! Gulledelle 94 - 6-1200 Brussels - Tel. + 32 2 775 81 10 - Fax. + 32 2 775 81 11 - www.aecma-stan.org ICs: ENGLISH VERSION Aerospace series Aluminium alloy AL-P2024- T351 Clad sheet and strip with improved chemical milling capability 1,6 mm I a I6 mm Supersedes editi
3、on P 1 September 1994 Srie arospatiale Luft- und Raumfahrt Alliage daluminium AL-P2024- Aluminiumlegierung AL-P2024- T351 T351 Tles et bandes plaques avec aptitude amliore lusinage chimique 1,6 mm las 6 mm Bleche und Bnder, plattiert mit besserer Eignung zum Chemisches Frsen 1,6 mm S al 6 mm This “A
4、erospace Series“ Prestandard has been 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 concerne
5、d Domain following member comments. 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
6、agreement of AECMA-STAN it will be submitted as a drat7 European Standard to CEN (European Committee for Standardization) for formal vote. I Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX Page 2 prEN 4001 : 2002 Bla
7、nk page Page 3 prEN 4001: 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. I Scope This standard specifi
8、es the requirements relating to: Aluminium alloy AL-P2024- T351 Clad sheet and strip with improved chemical milling capability 1,6 mm sal 6 mm for aerospace applications. The material is manufactured to a minimum residual stress requirement for chemical milling applications. 2 Normative references T
9、his European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publi
10、cations 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 applies. EN 4258 Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standar
11、ds 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 - Metallic materials - Rules for drafting and presentation of material standards - Part 2: Specific rules for aluminium, alum
12、inium alloys and magnesium alloys 1) I) Published as AECMA Prestandard at the date of publication of this standard Page 4 prEN 4001 : 2002 1 I Material designation Aluminium alloy AL-P2024- Chemical composition % Element min. max. of melting I Others Each Total si Fe Cu Mn Mg Cr Zn Ti AI - - 3,8 0,3
13、0 1,2 - - - - - 0,50 0,50 4,9 0,9 1,8 0,lO 0,25 0,15 0,05 0,15 Base 4.1 Form 4.2 Method of production 4.3 Limit dimension(s) mm 5 Technical specification Clad sheet and strip Rolled 1,6Ia16 EN 4400-2 Delivery condition Heat treatment Delivery condition code T351 I T351 490 OC I es 500 OC I WQ es 40
14、OC + 0,5 % I controlled stretched I3 % + e= ambient It 2 5d U pondition Characteristics Heat treatment 3.1 I Test sample(s) I See EN 4400-2. I Delivery condition 3.2 I Test piece) I See EN 4400-2. I Heat treatment Dimensions concerned mm - 3.3 9 - Use condition 3,2 c a I 6 1,6 s a I3,2 Thickness of
15、cladding on lo I each face 52 52 % I LT I 11 I Direction of test piece LT Proof stress Strength Elongation - 12 13 14 15 16 - - - - Rg0.2 MPa 1280 2 280 F& MPa 5 430 2 435 A% A50rnrn 2 14 Asornrn 2 14 I Ambient I Temperature I B I C I Ambient 18 19 20 21 22 - Shear strength Rc MPa - Bending k- - Imp
16、act strength - Temperature e “C - Time h - I Reduction of area I 2 I % I - Rupture stress Elongation at rupture I - I 17 I Hardness CTR MPa - A % - Notes (see line 98) 25 26 27 - - - - Page 5 prEN 4001 : 2002 - 7 Dimensions (mm) 1,6 c a s3,2 3,2as6 I I itergranular corrosion - See EN 4400-2. Others
17、Each Total ilement Si+Fe Fe Cu Mn Mg Zn Ti V AI nin. - - - - - - nax. 0,70 0,lO 0,lO 0,05 0,05 0,IO 0,03 0,05 0,03 - - - - - - 99.3c See EN 4400-2. II Depth of penetration I S 150 I I200 For parts manufactured by chemically milling through the thickness, necessitating control of residual stress. - M
18、emal defects - See EN 4400-2. - See EN 4400-2. )iffusion in the cladding - See EN 4400-2. :hemical millability min. max. :ladding chemical :omposition % - - - - - - - - - 99,50 0,25 0,40 0,05 0,05 0,05 0,07 0,05 0,03 - - I Element min. max. Measurement of residual stress: h I4 mm - Others Each Total
19、 Si+Fe Cu Mn Mg Zn V Ti AI - - - - - - - - - 99,45 0,55 0,05 0,05 0,051 0,05 0,05 0,03 0,03 - - See EN 4400-2. Electrical conductivity Aluminium AL-P1050A Material designation See EN 4400-2. 1 lelement I Si I Fe 1 Cu I Mn 1 Mg I Zn I Ti 1-1 Each Total AI or as an altemative, if agreed between manufa
20、cturer and purchaser Marking inspection - Dimensional inspection - Notes - Typical use - designation I Aluminium AL-PI 145 or as an alternative, if agreed between manufacturer and purchaser Material I lesionation Aluminium AL-Pl230- See EN 4400-2. Page 6 prEN 4001: 2002 - roduct qualification See EN 4400-2. lualifkation programme to be agreed between manufacturer and purchaser.
