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本文(EN 2278-2014 en Aerospace series - Steel X12CrNiMoV12-3 (1 4933) - 900 MPa Rm 1 100 MPa - Bars - De 150 mm《航空航天系列 钢x12crnimov12-3(1 4933)- 900 MPa = Rm = 1100 MPa - Bars - De = 150.pdf)为本站会员(赵齐羽)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

EN 2278-2014 en Aerospace series - Steel X12CrNiMoV12-3 (1 4933) - 900 MPa Rm 1 100 MPa - Bars - De 150 mm《航空航天系列 钢x12crnimov12-3(1 4933)- 900 MPa = Rm = 1100 MPa - Bars - De = 150.pdf

1、BSI Standards PublicationBS EN 2278:2014Aerospace series Steel X12CrNiMoV12-3 (1.4933) 900 MPa Rm 1 100 MPa Bars De 150 mmBS EN 2278:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 2278:2014. The UK participation in its preparation was entrusted to Technica

2、lCommittee ACE/61/-/15, Steels 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. Users are responsible for its correct application. The Brit

3、ish Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 86329 5ICS 49.025.10Compliance 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 31 Octob

4、er 2014.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 2278:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2278 October 2014 ICS 49.025.10 English Version Aerospace series - Steel X12CrNiMoV12-3 (1.4933) - 900 MPa Rm 1 100 MPa - Bars - De 150 mm S?ie a?ospa

5、tiale - Acier X12CrNiMoV12-3 (1.4933) - 900 MPa Rm 1 100 MPa - Barres - De 150 mm Luft- und Raumfahrt - Stahl X12CrNiMoV12-3 (1.4933) - 900 MPa Rm 1 100 MPa - Stangen - De 150 mm This European Standard was approved by CEN on 28 June 2014. CEN members are bound to comply with the CEN/CENELEC Internal

6、 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 to any CEN

7、 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 official versio

8、ns. 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, Norway, Po

9、land, Portugal, Romania, 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 2014 CEN All rights of exploitatio

10、n in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2278:2014 EBS EN 2278:2014EN 2278:2014 (E) 2 Contents Page Foreword 3 Introduction . 4 1 Scope 5 2 Normative references 5 BS EN 2278:2014EN 2278:2014 (E) 3 Foreword This document (EN 2278:2014) has been prepared

11、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 Standard has received the approval of the National Associations and the Official Services of the member countries o

12、f 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 April 2015, and conflicting national standards shall be withdrawn at the latest by April 2015. Attention is

13、 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 patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the fol

14、lowing 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, Lithuania, Luxembourg, Malta, Netherlands,

15、 Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 2278:2014EN 2278:2014 (E) 4 Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series

16、is described in EN 4258. This standard has been prepared in accordance with EN 4500-005. BS EN 2278:2014EN 2278:2014 (E) 5 1 Scope This European Standard specifies the requirements relating to: Steel X12CrNiMoV12-3 (1.4933) 900 MPa Rm 1 100 MPa Bars De 150 mm for aerospace applications. 2 Normative

17、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 references, the latest edition of the referenced document (including any amendments) appli

18、es. EN 2043, Aerospace series Metallic materials General requirements for semi-finished product qualification (excluding forgings and castings) EN 4258, Aerospace series Metallic materials General organization of standardization Links between types of EN standards and their use EN 4500-005, Aerospac

19、e series Metallic materials Rules for drafting and presentation of material standards Part 005: Specific rules for steelsEN 4700-002, Aerospace series Steel and heat resisting alloys Wrought products Technical specification Part 002: Bar and section BS EN 2278:2014EN 2278:2014 (E) 6 1 Material desig

20、nation Steel X12CrNiMoV12-3 (1.4933) 2 Chemical composition % Element C Si Mn P S Cr Mo Ni V N Fe min. 0,08 0,50 11,0 1,50 2,00 0,25 0,020 Base max. 0,13 0,35 0,90 0,030 0,025 12,5 2,00 3,00 0,40 0,040 3 Method of melting Air melted 4.1 Form Bars 4.2 Method of production 4.3 Limit dimension(s) mm De

21、 150 5 Technical specification EN 4700-002 6.1 Delivery condition Softened Hardened and tempered Heat treatment 1 020 C 1 050 C a/ OQ or AC + 640 C 6.2 Delivery condition code A U 7 Use condition Hardened and tempered Delivery condition Heat treatment Delivery condition + 1 020 C 1 050 Ca/ OQ or AC

22、+ 640 C Characteristics 8.1 Test sample(s) See EN 4700-002. 8.2 Test piece(s) See EN 4700-002. 8.3 Heat treatment Softened Hardened and tempered 9 Dimensions concerned mm De 150 10 Thickness of cladding on each face % 11 Direction of test piece L or T b12 T Temperature C Ambient 13 Proof stress Rp0,

23、2 MPa 750 14 Strength RmMPa 900 Rm 1 100 15 Elongation A % 14c16 Reduction of area Z % 40 17 Hardness HBW 311 269 HBW 331 18 Shear strength RcMPa 19 Bending k 20 Impact strength 30 J at 20 C Notch direction T 21 C Temperature C 22 Time h 23 Stress a MPa 24 Elongation a % 25 Rupture stress R MPa 26 E

24、longation at rupture A % 27 Notes (see line 98) a, b, cBS EN 2278:2014EN 2278:2014 (E) 7 34 Grain size See EN 4700-002. 7 G 5 some 3 permitted 44 External defects See EN 4700-002. 1 Visual 50 Cleanliness/inclusion content See EN 4700-002. 7 Category 2 61 Internal defects See EN 4700-002. 7 De 75 mm

25、class 3 75 mm De 150 mm class 2 95 Marking inspection See EN 4700-002. 96 Dimensional inspection See EN 4700-002. 98 Notes aFor optimum corrosion resistance 990 C 1 030 C is recommended. b75 mm De 150 mm may be tested in L or T direction. cA 10 % if material is cold worked. 99 Typical use BS EN 2278

26、:2014EN 2278:2014 (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 responsible for preparing British Standards and other standards-related publications, information and serv

27、ices.BSI is incorporated by Royal Charter. British Standards and other standardization products are published by BSI Standards Limited.British Standards Institution (BSI)BSI Group Headquarters389 Chiswick High Road London W4 4AL UKAbout usWe bring together business, industry, government, consumers,

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