1、BS EN 4642:2009Aerospace series Steel FE-PM 3504(X4CrNiMo16-5-1) Air melted Hardenedand tempered Sheetand plate 0,6 mm a 50 mm 900 MPa Rm 1 050 MPaICS 49.025.10BRITISH STANDARDNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWThis British Standard was published under the authorit
2、y of the Standards Policy and Strategy Committee on 31 July2009 BSI 2009ISBN 978 0 580 58169 4Amendments/corrigenda issued since publicationDate CommentsBS EN 4642:2009National forewordThis British Standard is the UK implementation of EN 4642:2009. The UK participation in its preparation was entrust
3、ed to TechnicalCommittee ACE/61/-/15, Steels.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application. Compliance with a B
4、ritish Standard cannot confer immunityfrom legal obligations.BS EN 4642:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4642 February 2009 ICS 49.025.10 English Version Aerospace series - Steel FE-PM 3504 (X4CrNiMo16-5-1) - Air melted - Hardened and tempered - Sheet and plate - 0,6 mm a 50
5、mm - 900 MPa Rm 1 050 MPa Srie arospatiale - Acier FE-PM 3504 (X4CrNiMo16-5-1) -labor lair - Tremp et revenu - Tles et plaques - 0,6 mm a 50 mm - 900 MPa Rm 1 050 MPa Luft- und Raumfahrt - Stahl FE-PM 3504 (X4CrNiMo16-5-1) - Lufterschmolzen - Gehrtet- und angelassen - Bleche und Platten - 0,6 mm a 5
6、0 mm - 900 MPa Rm 1 050 MPa This European Standard was approved by CEN on 11 July 2008. 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 without any alteration. Up-to-date list
7、s and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or 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 resp
8、onsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, I
9、celand, 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 NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Ave
10、nue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4642:2009: EBS EN 4642:2009EN 4642:2009 (E) 2 Foreword This document (EN 4642:2009) has been prepared by the Aerospace and Defence Industries Assoc
11、iation 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 of ASD, prior to its presentation to CEN. This
12、 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 August 2009, and conflicting national standards shall be withdrawn at the latest by August 2009. Attention is drawn to the possibility that some of the
13、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 following countries are bound to implement thi
14、s European Standard: Austria, Belgium, Bulgaria, 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
15、United Kingdom. BS EN 4642:2009EN 4642:2009 (E) 3 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 4500-5. 1 Scope This
16、 standard specifies the requirements relating to: Steel FE-PM 3504 (X4CrNiMo16-5-1) Air melted Hardened and tempered Sheet and plate 0,6 mm a 50 mm 900 MPa Rm 1 050 MPa for aerospace applications. 2 Normative references The following referenced documents are indispensable for the application of this
17、 document. 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 materials General requirements for semi-finished product qualification (excluding forgings and
18、 castings) 1EN 2951, Aerospace series Metallic materials Test method Micrographic determination of content of non-metallic inclusions 1 EN 4050-4, Aerospace series Test method for metallic materials Ultrasonic inspection of bars, plates, forging stock and forgings Part 4: Acceptance criteria 1EN 425
19、8, Aerospace series Metallic materials General organization of standardization Links between types of EN standards 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 4700-1, Aerospace series St
20、eel and heat resisting alloys Wrought products Technical specification Part 1: Plate, sheet and strip1EN 4700-2, Aerospace series Steel and heat resisting alloys Wrought products Technical specification Part 2: Bar and section1 1 Published as ASD Prestandard at the date of publication of this standa
21、rd. BS EN 4642:2009EN 4642:2009 (E) 4 1 Material designation Steel FE-PM 3504 (X4CrNiMo16-5-1) 2 Chemical composition % Element C Si Mn PaSaN Cr Mo Ni Fe min. 0,02 15,00 0,80 4,00 Base max. 0,06 0,70 1,50 0,030 0,005 0,08 17,00 1,50 6,00 3 Method of melting Air melted + AOD or + VOD or equivalent pr
22、ocess 4.1 Form Sheet and plate 4.2 Method of production Rolled 4.3 Limit dimension(s) mm a 50 mm 5 Technical specification EN 4700-1 6.1 Delivery condition Softened Hardened and tempered Heat treatment 1 010 C 1 060 C AC or AQ or OQ + Tempered 580 C 650 C or Process according to manufacturer and pur
23、chaser agreement 6.2 Delivery condition code A U 7 Use condition Hardened and tempered Hardened and tempered Heat treatment Delivery condition + 1 010 C 1 060 C AC or AQ or OQ + Tempered 580 C 650 C or For tempering before process according to manufacturer and purchaser agreement Delivery condition
24、Characteristics 8.1 Test sample(s) See EN 4700-1. 8.2 Test piece(s) See EN 4700-1. 8.3 Heat treatment Softened Delivery condition 9 Dimensions concerned mm a 50 0,6 a 3 3 a 25 25 a 50 10 Thickness of cladding on each face % 11 Direction of test piece L L L LT 12 T Temperature C Ambient Ambient Ambie
25、nt Ambient Ambient 13 Proof stress Rp0,2MPa 700 700 700 700 14 Strength RmMPa 900 Rm 1 050 900 Rm 1 050 900 Rm 1 050 900 Rm 1 05015 Elongation A % A 50 mm 8 A 5,65 So 16 A 5,65 So 16 A 5,65 So 1216 Reduction of area Z % 17 Hardness 310 HV or 293 HB 280 HV 320 280 HV 320 280 HV 320 280 HV 32018 Shear
26、 strength RcMPa 19 Bending k K = 2; = 180; 2 for L; 2 for T K = 2; = 180; 2 for L; 2 for T 20 Impact strength KV J 120 J at 20 C Notch direction T 70 J at 40 C Notch direction T with a 12 mm 120 J at 20 C Notch direction T 70 J at 40 C Notch direction T 60 J at 20 C Notch direction L 35 J at 40 CNot
27、ch direction L 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 4642:2009EN 4642:2009 (E) 5 30 Microstructure See EN 4700-1. 7 The -ferrite content shall not exceed 5 %34 Grain size See EN 4700-1. 7 G 5 or
28、 finer 44 External defects Criteria following to EN 4700-1 50 Cleanliness/inclusion content See EN 4700-1. (micro-cleanness) 7 EN 2951, category 2. 61 Internal defects See EN 4700-1. 7 EN 4050-4 class 3 on an intermediate rolling stage for a 12 mm EN 4050-4 class 3 for a 12 mm 95 Marking inspection
29、See EN 4700-2. 96 Dimensional inspection See EN 4700-2. 98 Notes aFor specific welding applications (e.g. high power beam), and after agreement between manufacturer and purchaser, S+P should be inferior or equal to 0,023 %. 99 Typical use BS EN 4642:2009EN 4642:2009 (E) 6 100 Product qualification S
30、ee EN 2043. Qualifcation programe to be agred betwen manufacturer and purchaser. BS EN 4642:2009This page has been intentionally left blankBS EN4642:2009BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 - British Standards InstitutionBSI is the
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