1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 2512 Edition P 3 May 2012 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 Edition P 2
2、 of November 1999 Descriptors: ENGLISH VERSION Aerospace series Aluminium alloy AL-P7175- T7351 Plate 6 mm a 100 mm Srie arospatiale Alliage daluminium AL-P7175- T7351 Tles paisses 6 mm a 100 mm Luft- und Raumfahrt Aluminiumlegierung AL-P7175- T7351 Platten 6 mm a 100 mm This “Aerospace Series“ Pres
3、tandard 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 Domain following member co
4、mments. 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 agreement of ASD-STAN, it wi
5、ll 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 national standard and by wi
6、thdrawing any national standards conflicting with the EN. Edition approved for publication 01 May 2012 Comments should be sent within six months after the date of publication to ASD-STAN Metallic Material Domain Copyright 2012 by ASD-STAN prEN 2512:2012 (E) 2 Contents Page Foreword 2 Introduction .
7、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, this standard has received a
8、pproval for Publication. prEN 2512:2012 (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 EN 4500-2. prEN 2512:2012 (
9、E) 4 1 Scope This standard specifies the requirements relating to: Aluminium alloy AL-P7175- T7351 Plate 6 mm a 100 mm for aerospace applications. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition
10、cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2131, Aerospace series Plates in aluminium alloys Thickness 6 mm a 160 mm Dimensions EN 4050-4, Aerospace series Test method for metallic materials Ultrasonic inspection of bar
11、s, plates, forging stock and forgings Part 4: Acceptance criteria 1)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 specificatio
12、n Part 1: 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 alloys 1) 1) Published as ASD-STAN Prestandard at the date of publication of this standard (www.asd-stan.org
13、). prEN 2512:2012 (E) 5 1 Material designation Aluminium alloy AL-P7175- 2 Chemical composition % Element Si Fe Cu Mn Mg Cr Zn Ti Others Al Each Total min. 1,2 2,1 0,18 5,1 Base max. 0,15 0,20 2,0 0,10 2,9 0,28 6,1 0,10 0,05 0,15 3 Method of melting 4.1 Form Plate 4.2 Method of production Rolled 4.3
14、 Limit dimension(s) mm 6 a 100 5 Technical specification EN 4400-1 6.1 Delivery condition T7351 Heat treatment 460 C 480 C / WQ 40 C 1,5 % controlled stretched 3 % 100 C 135 C / 3 h t 24 h a 155 C 175 C / 8 h t 30 h a6.2 Delivery condition code U 7 Use condition T7351 Heat treatment Delivery conditi
15、on Characteristics 8.1 Test sample(s) See EN 4400-1 8.2 Test piece(s) See EN 4400-1 8.3 Heat treatment Use condition 9 Dimensions concerned mm 6 a 12 12 a 25 25 a 40 10 Thickness of cladding on each face % 11 Direction of test piece L LT L LT L LT 12 T Temperature C Ambient Ambient Ambient 13 Proof
16、stress Rp0,2MPa 395 390 395 390 395 390 14 Strength RmMPa 470 480 470 480 460 470 15 Elongation A % A50mm 7 A50mm 7 7 7 6 6 16 Reduction of area Z % continued9 Dimensions concerned mm 40 a 60 60 a 80 80 a 100 10 Thickness of cladding on each face % 11 Direction of test piece L LT ST L LT ST L LT ST
17、12 T Temperature C Ambient Ambient Ambient 13 Proof stress Rp0,2MPa 360 370 340 340 350 330 340 340 320 14 Strength RmMPa 450 460 430 435 440 420 420 420 410 15 Elongation A % 6 6 A4D 4 6 6 A4D 4 6 6 A4D 4 16 Reduction of area Z % 17 Hardness HB 18 Shear strength RcMPa 19 Bending k 20 Impact strengt
18、h 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) aprEN 2512:2012 (E) 6 32 Electrical conductivity See EN 4400-1. 7 23,0 MS/m Acceptable 22,0 MS/m 23,0 MS/m Acceptable if Rp0,2 LT Rp0,2min. LT 85 MPa or if stres
19、s corrosion test is acceptable. 22,0 MS/m Not acceptable 39 Stress corrosion for qualification See EN 4400-1. 6 75 % Rp0,2min. LT (Not applicable for a 40 mm) 7 t 20 days 40 Fracture toughness (K1C) for qualification See EN 4400-1. 7Dimensions (mm) LT MPa m 25 a 100 25 44 External defects See EN 440
20、0-1. 47 Notch/yield ratio Re/Rp0,2See EN 4400-1. 61 Internal defects See EN 4400-1. 82 Batch uniformity See EN 4400-1. 95 Marking inspection See EN 4400-1. 96 Dimensional inspection See EN 4400-1. 7 See EN 2131. 98 Notes a Artificial ageing may be carried out using the following alternative single stage method: heating to a temperature of 155 C 175 C at a rate not exceeding 20 C/h and soaking at this temperature for 8 h t30 h. 99 Typical use prEN 2512:2012 (E) 7 100 Product qualification See EN 4400-1. Qualification programme to be agreed between manufacturer and purchaser.
