1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 15 May 2003 prEN 2422 Edition P 1 May 2003 Comments should be sent within six months after the date of publication to AECMA-STAN ICs: Descriptors: ENGLISH VERSION Supersedes Edition 1 September 1981 Aerospace series Aluminium all
2、oy AL-P2124- T351 Plate 25 mm a 120 mm Srie arospatiale Alliage daluminium AL-P2124- T351 Tles paisses 25mma1120mm Luft- und Raumfahrt Aluminiumlegierung AL-P2124- T351 Platten 25mma1120mm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Asso
3、ciation 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. Subsequent to the publication of this Prestandard, the technical con
4、tent 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 submitted as a draft European Standard to CEN (European Committee for
5、 Standardization) for formal vote. Metallic Material Domain I I Copyright 2003 O by AECMA-STA1 Page 2 prEN 2422: 2003 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Metallic Material Domain. After inquiries and votes carried out in accordance with the rules of
6、 AECMA-STAN defined in AECMA- STANS General Process Manual, this standard has received approval for Publication. Page 3 prEN 2422: 2003 O Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is describe
7、d in EN 4258. This standard has been prepared in accordance with EN 4500-2. 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-P2124- T351 Plate 25 mm a 120 mm for aerospace application. 2 Normative references This European Standard incorporates by dated or undated refe
8、re ce provisia s from other publicatic S. 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 publications apply to this European Standard only when incorpora
9、ted 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 standards and their use EN 4400-1, Aerospace series - Aluminium a
10、nd aluminium alloy wrought products - Technical specification - Part I: Plate 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 Prestan
11、dard at the date of publication of this standard Page 4 prEN 2422: 2003 1 Material designation Aluminium alloy AL-P2124- 2 Others si Fe Cu Mn Mg Cr Zn Ti AI Chemical Element composition Each Total % min. - - 3,8 0,30 1,2 - - - - - Base max. 0,20 0,30 4,9 0,9 1,8 0,lO 0,25 0,15 0,05 0,15 4.3 I Limit
12、dimension(s) I mm I 25 a 120 3 4.1 4.2 5 I Technical specification I EN 4400-1 Method of melting - Form Plate Method of production Rolled 6.1 6.2 7 I Heat treatment I Delivery condition I Delivery condition T351 Heat treatment Delivery condition code U 490 OC e 500 OC I WQ e 40 OC + 1,5 % controlled
13、 stretched 3 % + O= ambientlt 25 d Use condition T351 8.1 8.2 Test sample(s) See EN 4400-1. Test piece(s) See EN 4400-1. I12 I ITemperature I 0 I “C I Ambient I Ambient I Ambient I 8.3 9 11 Heat treatment Use condition. Dimensions concerned mm 25 a 40 40 a 60 60 a 80 each face Direction of test piec
14、e L LT I ST L LT I ST L LT I ST Thickness of cladding on % - - - I I 16 I I Reductionofarea I Z I % I - Proof stress Elongation Rp0,2 MPa 2310 2290 2260 2310 2280 2260 2310 2280 2260 R, MPa 2430 2430 2380 2430 2420 2380 2430 2400 2370 A % 212 2 10 24 2 10 29 233 2 10 28 2 33 I12 I ITemperature I 0 I
15、 “C I Ambient I Ambient I 9 11 Il I Dimensions concerned mm 80 a 100 100 a 120 each face Direction of test piece L LT ST L LT ST Thickness of cladding on % - - Il I 19 20 21 Reduction of area Bending k- - Impact strength - I Temperature I eloc - MPa 2420 2 400 2 365 2 420 2 390 2 355 % 2 10 28 2 33
16、2 10 28 23 % - - stress Elongation at I I 18 I Shear strength I R, I MPa I - OR MPa - A % - Il I I I I I22 I ITime Ihl Il I I I I - I 27 I Notes see line 98) I Page 5 prEN 2422: 2003 - - ixternal defects See EN 4400-1. See EN 4400-1. nternal defects 3atch uniformity Marking inspection Iimensional inspection Votes rypical use See EN 4400-1. See EN 4400-1. See EN 4400-1. -I -I 100 See EN 4400-1. Qualification programme to be agreed between manufacturer and purchaser. Page 6 prEN 2422: 2003 - Product qualification
