1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 2481:2010Aerospace series Steel FE-PL2108 (36NiCrMo16) 1 250 MPa null Rm null 1 400 MPa Forgings De null 75 mmIncorporating corrigendum June 2011BS EN 2481:2010 BRITISH STA
2、NDARDNational forewordThis British Standard is the UK implementation of EN 2481:2010.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/61/-/15, Steels for Aerospace Purposes.A list of organizations represented on this committee can beobtained on request to its secretary
3、.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 75049 6ICS 49.025.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published un
4、der the authority of theStandards Policy and Strategy Committee on 31 January 2011.Amendments/corrigenda issued since publicationDate Text affected30 June 2011 Implementation of CEN corrected text to changethe title of the standardEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2481 December 20
5、10 ICS 49.025.10 English Version Aerospace series - Steel FE-PL2108 (36NiCrMo16) - 1 250 MPa Rm 1 400 MPa - Forgings - De 75 mm Srie arospatiale - Acier FE-PL2108 (36NiCrMo16) - 1 250 MPa Rm 1 400 MPa - Pices forges et matrices - De 75 mm Luft- und Raumfahrt - Stahl FE-PL2108 (36NiCrMo16) - 1 250 MP
6、a Rm 1 400 MPa - Gesenk- und Freiformschmiedestcke - De 75 mm This European Standard was approved by CEN on 2 July 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard withou
7、t 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, French, German). A version in any other la
8、nguage 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, Croatia, Cyprus, Czech Republic, Denm
9、ark, 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 Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISA
10、TION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2481:2010: EBS EN 2481:2010EN 2481:2010 (E) 2 Contents Foreword 3Introduction .41 Scope 5
11、2 Normative references 5BS EN 2481:2010EN 2481:2010 (E) 3 Foreword This document (EN 2481:2010) 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 S
12、tandard 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 standard, either by publication of an identical text or by endorsement, at the lat
13、est by June 2011, and conflicting national standards shall be withdrawn at the latest by June 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such p
14、atent 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, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ic
15、eland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 2481:2010EN 2481:2010 (E) 4 Introduction This standard is part of the series of EN metallic material standards for
16、 aerospace applications. The general organization of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-5. BS EN 2481:2010EN 2481:2010 (E) 5 1 Scope This standard specifies the requirements relating to: Steel FE-PL2108 (36NiCrMo16) 1 250 MPa Rm 1 400 MPa
17、Forgings De 75 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 cited applies. For undated references, the latest edition of the referenced document (including any a
18、mendments) applies. EN 4050-4, Aerospace series Test method for metallic materials Ultrasonic inspection of bars, 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
19、and their use EN 4500-5, Aerospace series Metallic materials Rules for drafting and presentation of material standards Part 5: Specific rules for steels 1)EN 4700-006, Aerospace series Steel and heat resisting alloys Wrought products Technical specification Part 006: Pre-production and production fo
20、rgings 1) Published as ASD-STAN Prestandard at the date of publication of this standard by Aerospace and Defence Industries Association of Europe-Standardization (ASD-STAN) (www.asd-stan.org). BS EN 2481:2010 EN 2481:2010 (E) 6 1 Material designation Steel FE- PL2108 (36NiCrMo16) 2 Chemical composit
21、ion % Element C Si Mn P S Cr Mo Ni Fe min. 0,30 0,15 0,30 1,60 0,25 3,50 Base max. 0,40 0,40 0,60 0,025 0,020 2,00 0,60 4,20 3 Method of melting Air melted 4.1 Form Forgings 4.2 Method of production 4.3 Limit dimension(s) mm De 75 5 Technical specification EN 4700-006 6.1 Delivery condition Annealed
22、 Hardened and tempered Heat treatment 860 C 890 C / AQ + 540 C 6.2 Delivery condition code A U 7 Use condition Hardened and tempered Delivery condition Heat treatment Delivery condition + 860 C 890 C / AQ + 540 C Characteristics 8.1 Test sample(s) See EN 4700-006. 8.2 Test piece(s) See EN 4700-006.
23、8.3 Heat treatment Annealed Hardened and tempered 9 Dimensions concerned mm De 75 10 Thickness of cladding on each face % 11 Direction of test piece 12 T Temperature C Ambient 13 Proof stress dlasticit Rp0,2MPa 1 050 14 Strength RmMPa 1 250 Rm 1 400 15 Elongation A % 8 16 Reduction of area Z % 40 17
24、 Hardness HB 293 HV 309 a363 HB 401 383 HV 425a18 Shear strength RcMPa 19 Bending k 20 Impact strength KV J 25 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) aBS EN 2481:2010EN 2481:2010 (E) 7 34 Grain size See
25、 EN 4700-006. 7 G 5 44 External defects See EN 4700-006. 51 Macrostructure (Grain flow) See EN 4700-006. 61 Internal defects See EN 4700-006. 1 EN 4050-4 7 Class 2 95 Marking inspection See EN 4700-006. 96 Dimensional inspection See EN 4700-006. 98 Notes a HV for De 5 mm. 99 Typical use Low alloy ge
26、neral purpose steel. BS EN 2481:2010 EN 2481:2010 (E) 8 100 Product qualification Qualification programme to be agreed between manufacturer and purchaser. This page deliberately left blankBSI is the independent national body responsible for preparing British Standardsand other standards-related publ
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