1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 3997 Edition P 3 February 2011 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 775 8131 - www.asd-stan.orgICS: Supersedes editio
2、n P 2 of July 2002 and will supersede EN 3997:2007 Descriptors: ENGLISH VERSION Aerospace series Aluminium alloy AL-P2024- Al Cu4Mg1 T3 Sheet and strip 0,4 mm a 6 mm Srie arospatiale Alliage daluminium AL-P2024- Al Cu4Mg1 T3 Tles et bandes 0,4 mm a 6 mm Luft- und Raumfahrt Aluminiumlegierung AL-P202
3、4- Al Cu4Mg1 T3 Bleche und Bnder 0,4 mm a 6 mm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been tech
4、nically 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 extent that interchangeability is affected, physically or functionally, without re-identification of the standard. Af
5、ter examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at
6、national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 28 February 2011 Comments should be sent within six months after the date of publication to ASD-STAN Metallic Material Domain Copyrigh
7、t 2011 by ASD-STAN prEN 3997:2011 (E) 2 Contents Page Foreword2 Introduction.3 1 Scope 3 2 Normative references 3 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Metallic Material Domain. After inquiries and votes carried out in accordance with the rules of ASD-S
8、TAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 3997:2011 (E) 3 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. T
9、his standard has been prepared in accordance with EN 4500-2. 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-P2024- Al Cu4Mg1 T3 Sheet and strip 0,4 mm a6 mm for aerospace applications. 2 Normative references The following referenced documents are indispensable for t
10、he application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 4258, Aerospace series Metallic materials General organization of standardization Links between types of
11、 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 Part 2: Specific rules for aluminium, alum
12、inium alloys and magnesium alloys 1)1) Published as ASD-STAN Prestandard at the date of publication of this standard (www.asd-stan.org). prEN 3997:2011 (E) 4 1 Material designation Aluminium alloy AL-P2024- Al Cu4Mg1 T3 Others Element Si Fe Cu Mn Mg Cr Zn Ti Each Total Al min. 3,8 0,30 1,2 2 Chemica
13、l composition % max. 0,50 0,50 4,9 0,9 1,8 0,10 0,25 0,15 0,05 0,15 Base 3 Method of melting _ 4.1 Form Sheet and strip 4.2 Method of production Rolled 4.3 Limit dimension(s) mm 0,4 a 6 5 Technical specification EN 4400-2 Delivery condition T3 6.1 Heat treatment 490 C 500 C / WQ 40 C Slight levellin
14、g permitted age at room temperature t 5 days 6.2 Delivery condition code U Use condition T3 7 Heat treatment Delivery condition Characteristics 8.1 Test sample(s) See EN 4400-2. 8.2 Test piece(s) See EN 4400-2. 8.3 Heat treatment Use condition 9 Dimensions concerned mm 0,4 a 0,8 0,8 a 1,6 1,6 a 3,2
15、3,2 a 6 10 Thickness of cladding on each face % 11 Direction of test piece L LT L LT L LT L LT 12 Temperature C Ambient 13 Proof stress Rp0,2 MPa 325 290 325 290 325 290 325 290 14 Strength Rm MPa 440 440 440 440 440 440 450 445 15 Elongation A50 mm % 15 15 15 15 15 15 15 15 16 T Reduction of area Z
16、 % 17 Hardness 18 Shear strength Rc MPa 19 Bending k 2,5; 180 3; 180 3; 180 4; 180 20 Impact strength 21 Temperature C 22 Time h 23 Stress a MPa 24 Elongation a % 25 Rupture stress R MPa 26 C Elongation at rupture A % 27 Notes (see line 98) prEN 3997:2011 (E) 5 38 Intergranular corrosion See EN 4400
17、-2. Dimensions (mm) 0,4 a 1,6 1,6 a 3,2 3,2 a 6 7 Depth of penetration (m) 125 150 200 44 External defects See EN 4400-2. 82 Batch uniformity See EN 4400-2. (Material verification) 7Electrical conductivity MS/m 19 (Typical value) or 7 Hardness HB 100 (Typical value) 20 per product 30 per batch 95 Ma
18、rking inspection See EN 4400-2. 96 Dimensional inspection See EN 4400-2. 98 Notes _ 99 Typical use _ prEN 3997:2011 (E) 6 100 Product qualification See EN 4400-2. 46 Fatigue See EN 4400-2. 7 max. (MPa) Number of cycles R KtDirection 300 104165 105140 106135 1070.1 2.3 LT 71 Crack propagation See EN 4400-2. 2 Specimens taken in LT direction 7 K MPa m R = 0,1 10 15 20 30 da/dN mm/cycle 10-4 3.10-4 10-3 5.10-3
