1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 14 March 2003 prEN 4211 Edition P 2 March 2003 Comments should be sent within six months after the date of publication to AECMA-STAN ICs: Descriptors: ENGLISH VERSION Aerospace series Al um i ni um alloy AL-P2024- T42 Clad plate
2、6 mm a 25 mm Supersedes edition P 1 June 1995 Srie arospatiale Luft- und Raumfahrt 4lliage daluminium AL-P2024- T42 Tles paisses Aluminiumlegierung AL-P2024- plaques 6 mm a I 25 mm T42 Platten, plattiert 6 mm ai 25 mm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of
3、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. Subsequent to the publication of this P
4、restandard, 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 submitted as a draft European Standard t
5、o CEN (European Committee for Standardization) for formal vote. Metallic Material Domain I I Copyright 2003 O by AECMA-STA1 Page 2 prEN 421 1 : 2003 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Metallic Material Domain. After inquiries and votes carried out
6、in accordance with the rules of AECMA-STAN defined in AECMA- STANS General Process Manual, this standard has received approval for Publication. Page 3 prEN 421 1: 2003 O Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organiz
7、ation 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 relating to: Aluminium alloy AL-P2024- T42 Clad plate 6 mm a 25 mm for aerospace application. 2 Normative references This European Standard inc
8、orporates by dated or undated refere 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 Eur
9、opean 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 standards and their use EN 4400
10、-1, Aerospace series - Aluminium and 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 alloy
11、s 1) 1) Published as AECMA Prestandard at the date of publication of this standard Page 4 prEN 421 1: 2003 Delivery condition + O= ambient It 2 5d + 490 OC e 500 OC 1 WQ e 40 OC - 3.1 - 3.2 7 - - - 3.1 3.2 3.3 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 - - - - - - - - - - - - - - - - -
12、- - - - - Delivery condition + O= ambient It 2 5d + 490 OC e 500 OC 1 WQ e 40 OC Form Clad plate Method of production Rolled Limit dimension(s) mm 6a25 Technical specification EN 4400-1 Test piece(s) Heat treatment Dimensions concerned mm Thickness of cladding on % each face Direction of test piece
13、I O I F I Delivery condition See EN 4400-1. Delivery condition : O Use condition. 6 a 12,5 123 a 25 6 a 12,5 123 a 25 22 22 22 22 LT LT LT LT I - I - I Heat treatment Hardness Shear strength R, MPa Bending k- I A I F I Delivery condition code - - - I T42 I T42 I Use condition - Elongation Rupture st
14、ress Heat treatment a% - oR MPa - Elongation at rupture Characteristics A % - Test sample(s) I See EN 4400-1. Notes (see line 98) - Temperature I 0 I “C I Ambient I Ambient I Ambient I Ambient 2 250 I 2 250 I 110 I Proof stress I Rp0,2 I MPa I 110 2 415 I 2 415 I 220 I Strength I Rm I MPal 220 Reduc
15、tionofarea Z % - - Impact strength I I Temperature I 0 I “C I - I Time Ihl ixternal defects - Iiffusion in the cladding See EN 4400-1. 2ladding chemical mmposition % - 7 Marking inspection Iimensional inspection See EN 4400-1. Acceptance values shall be agreed between manufacturer and purchaser Vote
16、s 7 rypical use Others Each Total Element Si Fe Cu Mn Mg Zn Ti AI min. - - - - 99,50 - - - - - -I See EN 4400-1. Material designation Aluminium AL-P1050A or as an alternative, if agreed between purchaser and manufacturer Material designation Aluminium AL-PI 145 Others Each I Total Element Si+Fe Cu Mn Mg Zn V Ti AI max. 0,55 0,05 0,05 0,05 0,05 0,05 0,03 0,03 - - See EN 4400-1. See EN 4400-1. 100 See EN 4400-1. Qualification programme to be agreed between manufacturer and purchaser. Page 6 prEN 421 1: 2003 - Product qualification
