1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 14 March 2003 prEN 4450 Edition P 2 March 2003 Comments should be sent within six months after the date of publication to AECMA-STAN ICs: Descriptors: ENGLISH VERSION Supersedes edition P 1 June 1998 Aerospace series Aluminium al
2、loy AL-P7050- T762 Sheet 0,8 mm a 6 mm Srie arospatiale Alliage daluminium AL-P7050- T762 Tles 0,8 mm i ai 6 mm Luft- und Raumfahrt Aluminiumlegierung AL-P7050- T762 Bleche 0,8 mm i ai 6 mm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Ass
3、ociation 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 co
4、ntent 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 fo
5、r Standardization) for formal vote. Metallic Material Domain I I Copyright 2003 O by AECMA-STA1 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 2
6、prEN 4450: 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 AECMA-STAN defined in AECMA- STANS General Process Manual, this standard has received approval for Pu
7、blication. 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 4450: 2003 O Introduction This standard is part of the series of EN metallic mat
8、erial 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 relating to: Aluminium alloy AL-P7050- T762 Sheet 0,8 mm a 6 mm for aerospace ap
9、plication. 2 Normative references This European Standard incorporates 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
10、 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 applies. EN 4258, Aerospace series - Metallic materials - General organization of standardization
11、 - 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 - Metallic materials - Rules for drafting and presentation of material standards - Par
12、t 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 Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or
13、 networking permitted without license from IHS-,-,-Page 4 prEN 4450: 2003 1 Material designation Aluminium alloy AL-P7050- 3 4.1 4.2 4.3 5 - - - - Form Method of production Limit dimension(s) mm Technical specification Method of melting I Sheet Rolled 0,8 a 6 See EN 4400-2. Delivery condition Heat t
14、reatment - 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 - - - - - - - - - - - - - - - - - - - - - - F O T76 470 oc e 485 oc I WQ e 40 oc - - + 115 “C O 125 “C I4 h t 24 h + 157 OC 6% 175 “C I8 h t 20 h Delivery condition code Use condition F A P T762 Heat tre
15、atment Delivery condition: O 0,8 a 1,6 Delivery condition +470 “C Os485 “C I WQ O 40 “C + 115 “C 6% 125 “C I4 h t 24 h Use condition: T762 1,6 a 3,2 0,8 a 1,6 3,2 a 6 + 157 CS O 175 “CI8 ht 20 h Characteristics Dimensions concerned Test sample(s) I See EN 4400-2. mm Thickness of cladding on each fac
16、e See EN 4400-2. % - - - - Direction of test piece Temperature e OC L LT L LT L LT L LT Ambient Ambient Ambient Ambient Reductionofarea I Proof stress I Rp0,2 I MPa Z % - T I Strength I Rm I MPa Hardness Shear strength R, MPa Bending k- I Elongation I A I % - - - Stress Elongation Rupture stress C -
17、 Impact strength I oa MPa - a% - oR MPa - I Temperature I 0 I “C I - Elongation at rupture I Time Ihl - A % - Notes (see line 98) - Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted
18、without license from IHS-,-,-Ilectrical conductivity - - ixternal defects See EN 4400-2. See EN 4400-2. Marking inspection Iimensional inspection Votes rypical use Page 5 prEN 4450: 2003 See EN 4400-2. 22,O MSlm I y I 24,5 MSlm See EN 4400-2. -I -I Copyright Association Europeene des Constructeurs d
19、e Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-100 See EN 4400-2. Qualification programme to be agreed between manufacturer and purchaser. Page 6 prEN 4450: 2003 - Product qualification 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-,-,-
