1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 4628:2013Aerospace series Steel X4CrNiMo16-5-1 (1.4418) Air melted Hardened and tempered Bar De 200 mm 1 150 MPa Rm 1 300 MPaBS EN 4628:2013 BRITISH STANDARDNational forewo
2、rdThis British Standard is the UK implementation of EN 4628:2013. Itsupersedes BS EN 4628:2007 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/61/-/15, Steels for Aerospace Purposes.A list of organizations represented on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 beobtaine
3、d on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 79247 2ICS 49.025.10Compliance with a B
4、ritish Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 March 2013.Amendments issued since publicationDate Text affectedBS EN 4628:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN
5、 4628 February 2013 ICS 49.025.10 Supersedes EN 4628:2007English Version Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air melted - Hardened and tempered - Bar - De 200 mm - 1 150 MPa Rm 1 300 MPa Srie arospatiale - Acier X4CrNiMo16-5-1 (1.4418) - labor lair - Tremp et revenu - Barres - De 200
6、mm -1 150 MPa Rm 1 300 MPa Luft- und Raumfahrt - Stahl X4CrNiMo16-5-1 (1.4418) - Lufterschmolzen - Gehrtet- und angelassen - Stangen - De 200 mm - 1 150 MPa Rm 1 300 MPa This European Standard was approved by CEN on 24 August 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regula
7、tions 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 member
8、. 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 versions. CEN
9、 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, Poland, P
10、ortugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey 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 b
11、y any means reserved worldwide for CEN national Members. Ref. No. EN 4628:2013: EBS EN 4628:2013EN 4628:2013 (E) 2 Contents Page Foreword . 3 Introduction 4 1 Scope 5 2 Normative references . 5 BS EN 4628:2013EN 4628:2013 (E) 3 Foreword This document (EN 4628:2013) has been prepared by the Aerospace
12、 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 of ASD, prior to
13、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 August 2013, and conflicting national standards shall be withdrawn at the latest by August 2013. Attention is drawn to the
14、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. This document supersedes EN 4628:2007. According to the CEN/CENELEC Internal Regulations, the national standards
15、 organisations 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, Lithuania, Luxemb
16、ourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4628:2013EN 4628:2013 (E) 4 Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general org
17、anization of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-005. BS EN 4628:2013EN 4628:2013 (E) 5 1 Scope This European Standard specifies the requirements relating to: Steel X4CrNiMo16-5-1 (1.4418) Air melted Hardened and tempered Bar De 200 mm 1 15
18、0 MPa Rm 1 300 MPa for aerospace applications. NOTE Other designation: Z 8 CND 17-04. Only the chemical composition of this standard must be considered. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its appl
19、ication. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. FprEN 2043, Aerospace series Metallic materials General requirements for semi-finished product qualification (excluding forgings an
20、d castings)1) prEN 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 EN
21、4258, Aerospace series Metallic materials General organization of standardization Links between types of EN standards and their use EN 4500-005, Aerospace series Metallic materials Rules for drafting and presentation of material standards Part 005: Specific rules for steels EN 4700-002, Aerospace se
22、ries Steel and heat resisting alloys Wrought products Technical specification Part 002: Bar and section AMS 2315, Determination of delta ferrite content 2)1) Published as ASD-STAN Prestandard at the date of publication of this standard (www.asd-stan.org). 2) Published as SAE National (US) Society of
23、 Automotive Engineers(http:/www.sae.org/). BS EN 4628:2013EN 4628:2013 (E) 6 1 Material designation Steel X4CrNiMo16-5-1 (1.4418) 2 Chemical composition % Element C Si Mn aP bS bN Cr Mo Ni Fe min. 0,020 15,00 0,80 4,00 Base max. 0,06 0,70 1,50 0,030 0,005 17,00 1,50 6,00 3 Method of melting Air melt
24、ed 4.1 Form Bar 4.2 Method of production 4.3 Limit dimension(s) mm De 200 5 Technical specification EN 4700-002 6.1 Delivery condition Annealed Hardened (direct quenching on hot rolled products) + Tempered Hardened + Tempered Heat treatment 830 C 850 C 1 060 C / AC + 250 C 1 010 C 1 060 C / OQ or WQ
25、 c + 375 C 405 Cd6.2 Delivery condition code A U 7 Use condition Delivery condition Delivery condition Heat treatment Delivery condition + 1 010 C 1 060 C / OQ or WQ c + 375 C 405 C Characteristics 8.1 Test sample(s) See EN 4700-002. See EN 4700-002. 8.2 Test piece(s) See EN 4700-002. See EN 4700-00
26、2. 8.3 Heat treatment Annealed Use condition 9 Dimensions concerned mm De 200 De 75 De 75 75 De 200 10 Thickness of cladding on each face % 11 Direction of test piece L L LT 12 T Temperature C Ambient Ambient Ambient 13 Proof stress Rp0,2MPa 900 900 14 Strength RmMPa 1 150 Rm 1 300 1 150 Rm 1 300 15
27、 Elongation A % 14 14 8 16 Reduction of area Z % 17 Hardness HBW 293 341 HBW 401 341 HBW 401 18 Shear strength RcMPa 19 Bending k 20 Impact strength 100 J at 20 C Notch direction T 60 J at 30 C Notch direction T (see line 98) 100 J at 20 C Notch direction T 60 J at 30 C Notch direction T (see line 9
28、8) 50 J at 20 C Notch direction L 20 J at 30 C Notch direction L (see line 98) 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) a, b, c, dBS EN 4628:2013EN 4628:2013 (E) 7 30 Microstructure EN 4700-002 1 See AMS
29、2315.7The ferrite content shall not exceed 5 %34 Grain size See EN 4700-002. 7G = 5 or finer 44 External defects (visual) EN 4700-002 50 Cleanliness/inclusion content EN 4700-002 (micro cleanness) 1 See EN 2951. 7Category 2 61 Internal defects EN 4700-002 1See EN 4050-4. 7Class 4 95 Marking inspecti
30、on EN 4700-002 96 Dimensional inspection EN 4700-002 98 Notes a Where a more stringent impact strength is required (e.g. 20 J at 40 C direction L and 50 J at 40 C direction T), the maximum Mn content may be increased to 2 % subject to agreement between the customer and the supplier.b For specific we
31、lding applications (e.g. high power beam), and after agreement between manufacturer and purchaser, S+P should be equal or less than 0,023 %.c Air quenching may be used for De 20 mm.d The temperature range may be increased subject to agreement between the customer and the supplier. 99 Typical use BS
32、EN 4628:2013EN 4628:2013 (E) 8 100 Product qualification EN 2043 Qualification programme to be agreed between manufacturer and purchaser. Q This page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, info
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