1、ASD STANDARD NORME ASD ASD NORM prEN 4685 Edition P1 December 2009 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: Descriptors: ENGLISH VERSION Aerospac
2、e series Titanium Ti10V2Fe3Al Bars D 110 mm Rm 1 240 MPa Srie arospatiale Titane Ti10V2Fe3Al Barres D 110 mm Rm 1 240 MPa Luft- und Raumfahrt Titan Ti10V2Fe3Al Stangen D 110 mm Rm 1 240 MPa This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and
3、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 comments. Subsequent to the publication of this Prestandard, the technical content s
4、hall 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 will be submitted as a draft European Standard (prEN) to CEN (European Committee for
5、 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 withdrawing any national standards conflicting with the EN. Edition approved for pub
6、lication 15 December 2009 Comments should be sent within six months after the date of publication to ASD-STAN Metallic Material Domain Copyright 2009 by ASD-STAN prEN 4685:2009 (E) 2 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Metallic Material Domain. After
7、inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4685:2009 (E) 3 Introduction This standard is part of the series of EN metallic material standards for aerospace application
8、s. The general organization of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-4. 1 Scope This standard specifies the requirements relating to: Titanium Ti10V2Fe3Al Bars D 110 mm Rm 1 240 MPa for aerospace applications. 2 Normative references The follo
9、wing referenced documents are indispensable for the 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 2032-2, Aerospace series Metallic materials Part 2: Cod
10、ing of metallurgical condition in delivery condition EN 2954, Aerospace series Macrostructural examination of titanium and titanium alloy wrought product EN 3684, Aerospace series Test methods Titanium alloy wrought products Determination of transus temperature Metallographic method EN 4050-1, Aeros
11、pace series Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings Part 1: General requirements EN 4258, Aerospace series Metallic materials General organization of standardization Links between types of EN standards and their use EN 4500-4, Aerospace
12、series Metallic materials Rules for drafting and presentation of material standards Part 4: Specific rules for titanium and titanium alloys 1) EN 4800-002, Aerospace series Titanium and titanium alloys Technical specification Part 002: Bar and section 1) 1) Published as ASD-STAN Prestandard at the d
13、ate of publication of this standard. prEN 4685:2009 (E) 4 1 Material designation Titanium Ti10V2Fe3Al Other Element Al V Fe O C N Y Each Total Ti min. 2,60 9,00 1,60 2 Chemical composition % max. 3,40 11,00 2,20 0,13 0,05 0,05 0,005 0,10 0,30 Base 3 Method of melting Vacuum melted. Last melting by c
14、onsumable electrode 4.1 Form Bars 4.2 Method of production Hot rolling 4.3 Limit dimension(s) mm 110 5 Technical specification EN 4800-002 Delivery condition Not heat treated 6.1 Heat treatment 6.2 Delivery condition code F according to EN 2032-2 Use condition Solution treated and aged 7 Heat treatm
15、ent 33-56 C below the beta transus / 1 h / WQ 480 C / 8 h / AC Characteristics 8.1 Test sample(s) 8.2 Test piece(s) 8.3 Heat treatment Solution treated and aged 9 Dimensions concerned mm 75 75 D 110 10 Thickness of cladding on each face % 11 Direction of test piece L L T a 12 Temperature C Ambient 1
16、3 Proof stress Rp0,2 MPa 1 110 1 110 1 110 14 Strength Rm MPa 1 240 1 240 1 240 15 Elongation A % 4 4 4 16 T Reduction of area Z % 10 10 8 17 Hardness 18 Shear strength Rc MPa 19 Bending k 20 Impact strength 21 Temperature C 22 Time h 23 Stress a MPa 24 Elongation a % 25 Rupture stress R MPa 26 C El
17、ongation at rupture A % 27 Notes (see line 98) aprEN 4685:2009 (E) 5 30 Microstructure 33-56 C below the beta transus / 1 h / WQ 480 C / 8 h / AC 7 Shall consist of primary alpha phase in a matrix of aged beta phase. An unbroken continuous alpha phase network along prior beta phase grain boundaries
18、is not acceptable. 44 External defects See EN 4800-002. 6 Visual 51 Macrostructure 1 See EN 4800-002. 7 Delivery condition Beta transus 25 C / 1 h / WQ D mm Maximum acceptable macrostructure EN 2954 50 2MA2 50 D 110 2MA3 No beta fleck. (No area without primary alpha phase greater than 0,76 0,76 mm).
19、 Inspection from locations representing the top and the bottom end of each batch. 61 Internal defects See EN 4800-002. 1 EN 4050-1 7 Class 5 86 -transus temperature See EN 3684. 95 Marking inspection 96 Dimensional inspection 98 Notes aTest sample over 55 mm thickness. 99 Typical use prEN 4685:2009 (E) 6 100 Product qualification Qualification programme to be agreed between manufacturer and purchaser.
