1、Aerospace series - Titanium TI-P99002 - Not heat treated - Grade 2 forging stock, for annealed forgings - a or D 300 mmBS EN 3451:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3451 August 2017 ICS 49.025.30 E
2、nglish Version Aerospace series - Titanium TI-P99002 - Not heat treated -Grade 2 forging stock, for annealed forgings - a or D 300 mm Srie arospatiale - Titane TI-P99002 - Non trait - Demi-produits de grade 2 destins la forge pour pices forges ltat recuit - a ou D 300 mm Luft- und Raumfahrt - Titan
3、TI-P99002 - Nicht wrmebehandelt - Grade 2 Schmiedevormaterial fr geglhte Schmiedestcke - a oder D 300 mm This European Standard was approved by CEN on 14 May 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standa
4、rd 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 three official versions (English,
5、 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 bodies of Austria, Belgium, Bulg
6、aria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzer
7、land, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national
8、Members. Ref. No. EN 3451:2017 ENational forewordThis British Standard is the UK implementation of EN 3451:2017.The UK participation in its preparation was entrusted to Technical Committee ACE/61/-/49, Titanium and its Alloys for Aerospace Purposes.A list of organizations represented on this committ
9、ee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 97650 6ICS 49.025.30
10、Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 3451:2017
11、EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3451 August 2017 ICS 49.025.30 English Version Aerospace series - Titanium TI-P99002 - Not heat treated -Grade 2 forging stock, for annealed forgings - a or D 300 mm Srie arospatiale - Titane TI-P99002 - Non trait - Demi-produits de grade 2 destin
12、s la forge pour pices forges ltat recuit - a ou D 300 mm Luft- und Raumfahrt - Titan TI-P99002 - Nicht wrmebehandelt - Grade 2 Schmiedevormaterial fr geglhte Schmiedestcke - a oder D 300 mm This European Standard was approved by CEN on 14 May 2017. CEN members are bound to comply with the CEN/CENELE
13、C Internal Regulations which stipulate the conditions for 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
14、to any CEN member. This European Standard exists in three 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 offic
15、ial versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands,
16、Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rig
17、hts of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3451:2017 EBS EN 3451:2017EN 3451:2017 (E) 2 Contents Page European foreword 3 Introduction 4 1 Scope 5 2 Normative references 5 BS EN 3451:2017EN 3451:2017 (E) 3 European foreword This document
18、 (EN 3451:2017) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this European Standard has received the approval of the National Associations and the
19、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 standard, either by publication of an identical text or by endorsement, at the latest by February 2018, and conflicting national standards shall be withd
20、rawn at the latest by February 2018. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national
21、standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuani
22、a, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 3451:2017EN 3451:2017 (E) 4 Introduction This European Standard is part of the series of EN metallic material standards for aerospace app
23、lications. The general organization of this series is described in EN 4258. This European Standard has been prepared in accordance with EN 4500-004. BS EN 3451:2017EN 3451:2017 (E) 5 1 Scope This European Standard specifies the requirements relating to: Titanium TI-P99002 Not heat treated Grade 2 fo
24、rging stock, for annealed forgings a or D 300 mm for aerospace applications. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated r
25、eferences, the latest edition of the referenced document (including any amendments) applies. EN 2858-2, Aerospace series Titanium and titanium alloys Forging stock and forgings Technical specification Part 2: Forging stock EN 4258, Aerospace series Metallic materials General organization of standard
26、ization Links between types of EN standards and their use EN 4500-004, Aerospace series Metallic materials Rules for drafting and presentation of material standards Part 004: Specific rules for titanium and titanium alloysBS EN 3451:2017EN 3451:2017 (E) 6 - Material designation Titanium TI-P99002 2
27、Chemical composition % Element O2 N2 H2 Fe C Others Ti Each Total min. Base max. 0,25 0,05 100 *0,25 0,08 0,10 a 0,60 a3 Method of melting Grade 2 4.1 Form Forging stock 4.2 Method of production 4.3 Limit dimension(s) mm a or D 300 5 Technical specification EN 2858-2 6.1 Delivery condition Not heat
28、treated Heat treatment 6.2 Delivery condition code U 7 Use condition Delivery condition Heat treatment Characteristics 8.1 Test sample(s) See EN 2858-2. 8.2 Test piece(s) Heat treated before machining 8.3 Heat treatment See line 29. 9 Dimensions concerned mm 10 Thickness of cladding on each face % 1
29、1 Direction of test piece See EN 2858-2. 12 T Temperature C Ambient 13 Proof stress Rp0,2 MPa 290 14 Strength Rm MPa 390 15 Elongation A % 20 16 Reduction of area Z % 30 17 Hardness 18 Shear strength Rc MPa 19 Bending k 20 Impact strength 21 C Temperature C 22 Time h 23 Stress a MPa 24 Elongation a
30、% 25 Rupture stress R MPa 26 Elongation at rupture A % 27 Notes (see line 98) *, aBS EN 3451:2017EN 3451:2017 (E) 7 29 Reference heat treatment Annealed 600 C 800 C / t 30 min / AC or cool in inert atmosphere 44 External defects See EN 2858-2. 61 Internal defects See EN 2858-2. 82 Batch uniformity (
31、Material verification) See EN 2858-2. 95 Marking inspection 96 Dimensional inspection 98 Notes * p.p.m. aDetermination not required for routine acceptance. Typical use BS EN 3451:2017EN 3451:2017 (E) 8 100 Product qualification Qualification programme to be agreed between manufacturer and purchaser.
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