1、BSI Standards PublicationBS EN 4262:2013Aerospace series Heat resisting alloy FE-PA4901 (X12CrNiCoMoW21-20) As forged Forging stock a or D 200 mm 690 MPa Rm 880MPaBS EN 4262:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4262:2013. The UK participation in
2、its preparation was entrusted to TechnicalCommittee ACE/61/-/48, Heat Resisting 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 necessary provisions of a contract. Use
3、rs are responsible for its correct application. The British Standards Institution 2013.Published by BSI Standards Limited 2013ISBN 978 0 580 81724 3 .ICS 49.025.01 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority
4、 of the Standards Policy and Strategy Committee on 31 August 2013.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 4262:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4262 July 2013 ICS 49.025.01 English Version Aerospace series - Heat resisting alloy FE-PA49
5、01 (X12CrNiCoMoW21-20) - As forged - Forging stock - a or D 200 mm - 690 MPa Rm 880MPa Serie aerospatiale - Alliage resistant a chaud FE-PA4901 (X12CrNiCoMoW21-20) - Non traits - Produits destines a la forge - a ou D 200mm - 690 MPa Rm 880 MPa Luft- und Raumfahrt - Hochwarmfeste Legierung FE-PA4901
6、(X12CrNiCoMoW21-20) - Nicht wrmebehandelt - Schmiedevormaterial - a oder D 200mm - 690 MPa Rm 880 MPa This European Standard was approved by CEN on 8 May 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard t
7、he 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, Fre
8、nch, 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, Bulgaria
9、, 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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey
10、 and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 426
11、2:2013: EBS EN 4262:2013EN 4262:2013 (E) 2 Contents Page Foreword 3 Introduction .4 1 Scope 5 2 Normative references 5 BS EN 4262:2013EN 4262:2013 (E) 3 Foreword This document (EN 4262:2013) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN).
12、 After enquiries 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 o
13、f a national standard, either by publication of an identical text or by endorsement, at the latest by January 2014, and conflicting national standards shall be withdrawn at the latest by January 2014. Attention is drawn to the possibility that some of the elements of this document may be the subject
14、 of patent 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, Bulga
15、ria, 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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Tur
16、key and the United Kingdom. BS EN 4262:2013EN 4262:2013 (E) 4 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 4500-003
17、. BS EN 4262:2013EN 4262:2013 (E) 5 1 Scope This European Standard specifies the requirements relating to: Heat resisting alloy FE-PA4901 (X12CrNiCoMoW21-20) As forged Forging stock a or D 200 mm 690 MPa Rm 880 MPa for aerospace applications. 2 Normative references The following documents, in whole
18、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 references, the latest edition of the referenced document (including any amendments) applies. EN 2043, Aerospace series Metallic materi
19、als General requirements for semi-finished product qualification (excluding forgings and castings)1)EN 2860-2, Aerospace series Heat resisting alloys Forging stock and forgings Technical specification Part 2: Forging stock1)EN 4258, Aerospace series Metallic materials General organization of standar
20、dization Links between types of EN standards and their use EN 4500-003, Aerospace series Metallic materials Rules for drafting and presentation of material standards Part 003: Specific rules for heat resisting alloys 1) Published as ASD-STAN Prestandard at the date of publication of this standard. B
21、S EN 4262:2013EN 4262:2013 (E) 6 1 Material designation Heat resisting alloy FE-PA4901 (X12CrNiCoMoW21-20) 2 Chemical Element C Si Mn P S Co Cr Cu Mo Nb Ni N2W Fe Composition min. 0,080 1,00 18,5 20,0 2,50 0,75 19,0 0,10 2,00 Base % max. 0,16 1,00 2,00 0,040 0,030 21,0 22,5 0,50 3,50 1,25 21,0 0,20
22、3,00 3 Method of melting Air melted 4.1 Form Forging stock 4.2 Method of production 4.3 Limit dimension(s) mm a or D 200 5 Technical specification EN 2860-2 6.1 Delivery condition As forged Heat treatment 6.2 Delivery condition code U 7 Use condition Delivery condition Heat treatment Characteristics
23、 8.1 Sample(s) Cut from forging stock 8.2 Test piece(s) 8.3 Heat treatment See line 29 9 Dimensions concerned mm a or D 200 10 Thickness of cladding on each face % 11 Direction of test piece See EN 2860-2 12 T Temperature C Ambient 13 Proof stress Rp0,2MPa 305 14 Strength RmMPa 690 Rm 880 15 Elongat
24、ion A % 35 16 Reduction of area Z % 17 Hardness 229 HB 18 Shear strength RcMPa 19 Bending k - 20 Impact strength 21 C Temperature C 815a)22 Time h tR 30 23 Stress aMPa 24 Elongation a % 25 Rupture stress RMPa 125 26 Elongation at rupture A % 10 27 Notes (see line 98) a) BS EN 4262:2013EN 4262:2013 (
25、E) 7 29 Reference heat treatment Solution treated Nominal temperature according to the manufacturing shedule 15 C/t = 1 h/WQ 44 External defects See EN 2860-2 51 Macrostructure See EN 2860-2 7 To be defined on the order 61 Internal defects See EN 2860-2 7 Class 3 95 Marking inspection See EN 2860-2
26、96 Dimensional inspection See EN 2860-2 98 Notes a) Proportional round test pieces. 99 Typical use BS EN 4262:2013EN 4262:2013 (E) 8 100 Product qualification See EN 2043 Qualification programme to be agreed between manufacturer and purchaser This page deliberately left blankBSI is the national body
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