1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4725 Edition P 1 May 2013 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONRue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.orgICS: will supersede prEN 4719 edition P1
2、of February 2011 Descriptors: ENGLISH VERSION Aerospace series Aluminium alloy AL-P2024- Al Cu4Mg1 T351 Plate 6 mm a 150 mm Srie arospatiale Alliage daluminium AL-P2024- Al Cu4Mg1 T351 Tles paisses 6 mm a 150 mm Luft- und Raumfahrt Aluminiumlegierung AL-P2024- Al Cu4Mg1 T351 Platten 6 mm a 150 mm Th
3、is “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 technically approved by the experts of the concerned
4、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. After examination and review by users and formal ag
5、reement 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 national level by giving the EN the status of a n
6、ational standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 31 May 2013 Comments should be sent within six months after the date of publication to ASD-STAN Metallic Material Domain Copyright 2013 by ASD-STAN prEN 4725:2013 (E) 2 Contents Page
7、Foreword 2 Introduction . 3 1 Scope 4 2 Normative references 4 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-STAN defined in ASD-STANs General Process Manual, th
8、is standard has received approval for Publication. prEN 4725:2013 (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. This standard has been prepared in accordance with E
9、N 4500-2. prEN 4725:2013 (E) 4 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-P2024- Al Cu4Mg1 T351 Plate 6 mm a 150 mm for aerospace applications. 2 Normative references The following referenced documents are indispensable for the application of this document. For
10、dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 4050-4, Aerospace series Test method for metallic materials Ultrasonic inspection of bars, plates, forging stock and forgings Part 4: Accepta
11、nce criteria 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 and aluminium alloy wrought products Technical specification Part 1: Plate 1)EN 4500-2, Aerospace series Metallic
12、materials Rules for drafting and presentation of material standards Part 2: Specific rules for aluminium, aluminium alloys and magnesium alloys 1)1) Published as ASD-STAN Prestandard at the date of publication of this standard. http:/www.asd-stan.org/ prEN 4725:2013 (E) 5 1 Material designation Alum
13、inium alloy AL-P2024- Al Cu4Mg1 T351 2 Chemical composition % Element Si Fe Cu Mn Mg Cr Zn Ti Others AlEach Total min. 3,8 0,30 1,2 Base max. 0,50 0,50 4,9 0,9 1,8 0,10 0,25 0,15 0,05 0,15 3 Method of melting 4.1 Form Plate 4.2 Method of production Rolled 4.3 Limit dimension(s) mm 6 a 150 5 Technica
14、l specification EN 4400-1 6.1 Delivery condition T351 Heat treatment 490 C 500 C / WQ 40 C + 1,5 % controlled stretched 3 % + age at room temperature t 5 days 6.2 Delivery condition code U 7 Use condition T351 Heat treatment Delivery condition Characteristics 8.1 Test sample(s) See EN 4400-1. 8.2 Te
15、st piece(s) See EN 4400-1. 8.3 Heat treatment Use condition 9 Dimensions concerned mm 6 a 10 10 a 25 25 a 40 40 a 60 10 Thickness of cladding on each face % 11 Direction of test piece L LT L LT L LT ST L LT ST 12 T Temperature C Ambient Ambient Ambient Ambient 13 Proof stress Rp0,2MPa 325 290 325 29
16、0 325 300 260 325 300 270 14 Strength RmMPa 450 440 430 430 430 430 380 430 420 380 15 Elongation A5d % 12 12 12 12 12 10 4 10 8 4 16 Reduction of area Z % continued 9 Dimensions concerned mm 60 a 80 80 a 100 100 a 120 120 a 150 10 Thickness of cladding on each face % 11 Direction of test piece L LT
17、 ST L LT ST L LT ST LT 12 T Temperature C Ambient Ambient Ambient Ambient 13 Proof stress Rp0,2MPa 325 300 260 310 280 260 300 270 245 262 14 Strength RmMPa 425 415 360 420 400 360 380 380 350 379 15 Elongation A5d % 10 7 4 9 7 3,5 8 7 3 4 16 Reduction of area Z % 17 Hardness HB 120 for information
18、only 18 Shear strength RcMPa 19 Bending k 20 Impact strength 21 C Temperature C 22 Time h 23 Stress aMPa 24 Elongation a % 25 Rupture stress RMPa 26 Elongation at rupture A % 27 Notes (see line 98) prEN 4725:2013 (E) 6 32 Electrical conductivity See EN 4400-1. 7 19,5 MS/m Acceptable 44 External defe
19、cts See EN 4400-1. 61 Internal defects See EN 4400-1. 7 EN 4050-4 Class 3 for 12 mm a 80 mm and Class 2 for a 80 mm 82 Batch uniformity See EN 4400-1. (Material verification) 7 Electrical conductivity 95 Marking inspection See EN 4400-1. 96 Dimensional inspection See EN 4400-1. 98 Notes _ 99 Typical
20、 use _ prEN 4725:2013 (E) 7 100 Product qualification See EN 4400-1. 39 Stress corrosion See EN 4400-1. 3 40 mm a 100 mm 4 LT ST 6 250 MPa (30 d) 50 MPa (20 d) 7 No failure 40 Fracture toughness See EN 4400-1. 3 40 mm a 60 mm 4 L-T T-L 7 34 MPa m 32 MPa m 46 Fatigue See EN 4400-1. 7 max. (MPa) Number of cycles R KtDirection 300 1 1040.1 2.5 LT 245 3 104180 1 105145 3 105120 1 10671 Crack propagation See EN 4400-1. 2 Specimens taken in L-T direction 7 K MPa m R 0,1 10 15 20 30 da/dN mm/cycle 1,5 1045 1041,5 1035 102
