1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 14 March 2003 prEN 4203 Edition P 1 March 2003 Comments should be sent within six months after the date of publication to AECMA-STAN ICs: Descriptors: ENGLISH VERSION Aerospace series Aluminium alloy AL-P8090- T89 Sheet 0,6 mm a
2、6 mm Srie arospatiale Alliage daluminium AL-P8090- T89 Tles 0,6 mm i ai 6 mm Luft- und Raumfahrt Aluminiumlegierung AL-P8090- T89 Bleche 0,6 mm i ai 6 mm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - S
3、tandardization). 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 content shall not be changed to an ext
4、ent 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 Standardization) for formal vote.
5、Metallic Material Domain I I Copyright 2003 O by AECMA-STA1 Page 2 prEN 4203: 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
6、 General Process Manual, this standard has received approval for Publication. Page 3 prEN 4203: 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 described in EN 4258. This standard has bee
7、n prepared in accordance with EN 4500-2. 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-P8090- T89 Sheet 0,6 mm a 6 mm for aerospace application. 2 Normative references This European Standard incorporates by dated or undated refere ce provisia s from other publicati
8、c 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 incorporated in it by amendment or revision. F
9、or 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 4400-2, Aerospace series - Aluminium and aluminium alloy wrought products -
10、 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, aluminium alloys and magnesium alloys 1) 1) Published as AECMA Prestandard at the date of public
11、ation of this standard Page 4 prEN 4203: 2003 525 OC e 535 OC 1 WQ e 40 OC + 4,O % controlled stretched 43 % + O= ambientlt 25 d Aluminium alloy AL-P8090- I Material designation 525 OC e 535 OC 1 WQ e 40 OC + 4,O % controlled stretched 43 % + 162 “C O 168 “C I44 h t 46 h Method of melting I Heat tre
12、atment Dimensions concerned mm Form Sheet Method of production Rolled Limit dimension(s) mm 0,6 a 6 Technical specification EN 4400-2 Use condition. 0,6 a 6 I T89 I T39 I 3.1 I Delivery condition Thickness of cladding on each face Heat treatment % - Hardness Shear strength R, MPa Bending k- I U I K
13、I 3.2 I Delivery condition code - - - I T89 I T89 I 7 I Use condition - Elongation Rupture stress Delivery condition Delivery condition + 162 “C O 168 “C I44 h t 46 h Heat treatment a% - oR MPa - Characteristics Elongation at rupture - 3.1 3.2 3.3 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
14、 27 - - - - - - - - - - - - - - - - - - - - - - A % - Test sample(s) I See EN 4400-2. Test piece(s) I See EN 4400-2. LT I Direction of test piece Temperature I 0 I “C I Ambient Strength I R, I MPal 2 440 Elongation I A I % I 26 Reductionofarea Z % - - Impact strength I I Temperature I 0 I “C I - I T
15、ime Ihl Page 5 prEN 4203: 2003 - Microstructure See EN 4400-2. 3acture toughness (Kc) 3 7 - ixternal defects a4mm 4mma6mm The degree of recrystallization shall be subject to agreement between the manufacturer and purchaser Microstructure shall be fully recrystallized See EN 4400-2. ixfoliation corro
16、sion 7 - lensity 2 40 MPa & See EN 4400-2. 3atch uniformity - 6 Marking inspection limensional inspection See EN 4400-2. t=48h Votes - 7 rypical use See EN 4400-2. p 2,56 kg dm -3 - Electrical conductivity Y MSlm T39 T89 8,5 (Typical value) 11,4 (Typical value) 31 T-L Hardness - 95 (Typical value) 1
17、42 (Typical value) 6 HB 20 per product 20 per product A 30 per batch 30 per batch - - 71 Exfoliation corrosion shall not be greater than that of grade EB See EN 4400-2. See EN 4400-2. -I See EN 4400-2. - I a Na10ppm,Ca120ppm. -I 100 See EN 4400-2. Qualification programme to be agreed between manufacturer and purchaser. Page 6 prEN 4203: 2003 - Product qualification
