1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 4685:2011Aerospace series Titanium Ti10V2Fe3Al Bars D 1 240 MPaBS EN 4685:2011 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4685:20
2、11. The UK participation in its preparation was entrusted to T e c h n i c a l Committee ACE/61/-/49, Titanium and its Alloys for Aerospace Purposes.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the
3、necessary provisions of a contract. Users are responsible for its correct application. BSI 2011 ISBN 978 0 580 67358 0 ICS 49.025.30 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and St
4、rategy Committee on 31 July 2011.Amendments issued since publicationDate T e x t a f f e c t e dBS EN 4685:2011EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4685 June 2011 ICS 49.025.30 English Version Aerospace series - Titanium Ti10V2Fe3Al - Bars - D 110 mm -Rm 1 240 MPa Srie arospatiale -
5、Titane Ti10V2Fe3Al - Barres - D 110 mm - Rm 1 240 MPa Luft- und Raumfahrt - Titan Ti10V2Fe3Al - Stangen - D 110 mm - Rm 1 240 MPa This European Standard was approved by CEN on 27 November 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions f
6、or giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in thr
7、ee official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bo
8、dies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United K
9、ingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4685:2011: EBS E
10、N 4685:2011EN 4685:2011 (E) 2 Contents Page Foreword 3 Introduction . 4 1 Scope 4 2 Normative references 4 BS EN 4685:2011EN 4685:2011 (E) 3 Foreword This document (EN 4685:2011) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enqui
11、ries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national
12、 standard, either by publication of an identical text or by endorsement, at the latest by December 2011, and conflicting national standards shall be withdrawn at the latest by December 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
13、 rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croat
14、ia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 4685:2011EN 4685:2011 (
15、E) 4 Introduction This European 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 European Standard has been prepared in accordance with EN 4500-4. 1 Scope This European Standard specifie
16、s the requirements relating to: Titanium Ti-10V-2Fe-3Al Bars D 110 mm Rm 1 240 MPa for aerospace applications. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated reference
17、s, the latest edition of the referenced document (including any amendments) applies. EN 2032-2, Aerospace series Metallic materials Part 2: Coding of metallurgical condition in delivery condition EN 2954 (all parts), Aerospace series Macrostructure of titanium and titanium alloy wrought products EN
18、3684, Aerospace series Test methods Titanium alloy wrought products Determination of transus temperature Metallographic method EN 4050-1, Aerospace series Test method for metallic materials Part 1: General requirements EN 4258, Aerospace series Metallic materials General organization of standardizat
19、ion Links between types of EN standards and their use EN 4500-4, Aerospace 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
20、 Part 002: Bar and section 1) 1) Published as ASD-STAN Prestandard at the date of publication of this standard. BS EN 4685:2011EN 4685:2011 (E) 5 1 Material designation Titanium Ti-10V-2Fe-3Al 2 Chemical composition % Element Al V Fe O C N Y Other Ti Each Total min. 2,60 9,00 1,60 Base max. 3,40 11,
21、00 2,20 0,13 0,05 0,05 0,005 0,10 0,30 3 Method of melting Vacuum melted. Last melting by consumable 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 6.1 Delivery condition Not heat treated Heat treatment 6.2 Delivery co
22、ndition code F according to EN 2032-2 7 Use condition Solution treated and aged Heat treatment 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 Thick
23、ness of cladding on each face % 11 Direction of test piece L L T a 12 T Temperature C Ambient 13 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 Reduction of area Z % 10 10 8 17 Hardness 18 Shear strength Rc MPa 19 Bending k 20 Impact strength
24、 21 C Temperature C 22 Time h 23 Stress a MPa 24 Elongation a % 25 Rupture stress R MPa 26 Elongation at rupture A % 27 Notes (see line 98) aBS EN 4685:2011EN 4685:2011 (E) 6 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 ma
25、trix of aged beta phase. An unbroken continuous alpha phase network along prior beta phase grain boundaries 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 E
26、N 2954 No beta fleck. (No area without primary alpha phase greater than 0,76 0,76 mm). Inspection from locations representing the top and the bottom end of each batch. 50 2MA2 50 D 110 2MA3 61 Internal defects See EN 4800-002. 1 EN 4050-1 7 Class 5 86 -transus temperature See EN 3684. 95 Marking ins
27、pection 96 Dimensional inspection 98 Notes aTest sample over 55 mm thickness. 99 Typical use BS EN 4685:2011EN 4685:2011 (E) 7 100 Product qualification Qualification programme to be agreed between manufacturer and purchaser. This page deliberately left blankThis page deliberately left blankBSI is t
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