BS EN 4630-2014 Aerospace series Steel X4CrNiMo16-5-1 (1 4418) Air melted Hardened and tempered Forgings De 200 mm 900 MPa Rm 1 050 MPa《航空航天系列 X4CrNiMo16-5-1 (1 4418) 型钢 空气熔炼 淬火和回火.pdf

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1、BSI Standards PublicationBS EN 4630:2014Aerospace series Steel X4CrNiMo16-5-1 (1.4418) Air melted Hardened and tempered Forgings De 200 mm 900 MPa Rm 1 050 MPaBS EN 4630:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4630:2014. It supersedes BS EN 4630:200

2、7 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee ACE/61/-/15, Steels for Aerospace Purposes.A list of organizations represented on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 necessar

3、y provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 84528 4ICS 49.025.10Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was p

4、ublished under the authority of the Standards Policy and Strategy Committee on 31 October 2014.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 4630:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4630 October 2014 ICS 49.025.10 Supersedes EN 4630:2007English

5、Version Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air melted -Hardened and tempered - Forgings - De 200 mm - 900 MPa Rm 1 050 MPa Srie arospatiale - Acier X4CrNiMo16-5-1 (1.4418) - labor lair - Tremp et revenu - Pices forges - De 200 mm - 900 MPa Rm 1 050 MPa Luft- und Raumfahrt - Stahl X4C

6、rNiMo16-5-1 (1.4418) - Lufterschmolzen - Gehrtet- und angelassen - Schmiedestcke - De 200 mm - 900 MPa Rm 1 050 MPa This European Standard was approved by CEN on 27 December 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

7、 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. This European Standard exists in three official ve

8、rsions (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 members are the national standards bodies of Austri

9、a, 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, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden,

10、 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 exploitation in any form and by any means reserved worldwide for CEN n

11、ational Members. Ref. No. EN 4630:2014 EBS EN 4630:2014EN 4630:2014 (E) 2 Contents Page Foreword 3 Introduction . 4 1 Scope 5 2 Normative references 5 BS EN 4630:2014EN 4630:2014 (E) 3 Foreword This document (EN 4630:2014) has been prepared by the Aerospace and Defence Industries Association of Euro

12、pe - 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 European Stan

13、dard 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. This document supersedes EN 4630:2007. Attention is drawn to the possib

14、ility 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 following countries are

15、 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, Norway, Poland, Por

16、tugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4630:2014EN 4630:2014 (E) 4 Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is described in EN 4

17、258. This standard has been prepared in accordance with EN 4500-005. BS EN 4630:2014EN 4630:2014 (E) 5 1 Scope This standard specifies the requirements relating to: Steel X4CrNiMo16-5-1 (1.4418) Air melted Hardened and tempered Forgings De 200 mm 900 MPa Rm 1 050 MPa for aerospace applications. NOTE

18、 Other common designation: AIR: Z 8 CND 17-04. 2 Normative 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

19、of the referenced document (including any amendments) applies. EN 2950, Aerospace series Test method Wrought heat resisting alloys Semi-finished products and parts Conditions for macrographic and micrographic examination Atlas of structures and defects EN 2951, Aerospace series Metallic materials Te

20、st 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 4258, Aerospace series Metallic materials General organization

21、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 4629, Aerospace series Steel X4CrNiMo16-5-1 (1.4418) Air melted Softened Forging stoc

22、k De 300 mm EN 4700-006, Aerospace series Steel and heat resisting alloys Wrought products Technical specification Part 006: Pre-production and production forgings EN ISO 643, Steels Micrographic determination of the apparent grain size (ISO 643) AMS 2315, Determination of delta ferrite content 2)1)

23、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 Automotive Engineers (www.sae.org).BS EN 4630:2014EN 4630:2014 (E) 6 1 Material designation Steel X4CrNiMo16-5-1 (1.4418) 2 Chemical composition % Element C S

24、i MnaP 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 melted 4.1 Form Forgings 4.2 Method of production Forged from forging stock EN 4629 4.3 Limit dimension(s) mm De 200 5 Technical specification EN 4700-006 6.1 Delivery con

25、dition Annealed Hardened and tempered Heat treatment 1 010 C 1 060 C / OQ or WQ c + 550 C 620 C 6.2 Delivery condition code A U 7 Use condition Hardened and tempered Delivery condition Heat treatment Delivery condition + 1 010 C 1 060 C / OQ or WQ b + Tempered 550 C 620 C Characteristics 8.1 Test sa

26、mple(s) EN 4700-006 Procedure A, B, C or D EN 4700-006 Procedure A or B (separately forged) EN 4700-006 Procedure C (integral) and Procedure D (machined from forging) 8.2 Test piece(s) See EN 4700-006. See EN 4700-006. 8.3 Heat treatment Annealed Use condition Use condition 9 Dimensions concerned mm

27、 D 200 25 a or D 30 D 200 10 Thickness of cladding on each face % 11 Direction of test piece L L LT 12 T Temperature C Ambient Ambient 13 Proof stress Rp0,2 MPa 900 700 14 Strength RmMPa 900 Rm 1 050 900 Rm 1 050 15 Elongation A % 14 16 12 16 Reduction of area Z % 17 Hardness HBW 293 269 HBW 331 269

28、 HBW 331 18 Shear strength RcMPa 19 Bending k 20 Impact strength KV J 100 J at 20 C Notch direction T 60 J at 30 C Notch direction T 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 C Notch direction L 21 C Temperature C 22 Time h 23 Stress a M

29、Pa 24 Elongation a % 25 Rupture stress RMPa 26 Elongation at rupture A % 27 Notes (see line 98) a, b, c, d BS EN 4630:2014EN 4630:2014 (E) 7 30 Microstructure EN 4700-006 1 See AMS 2315. 7 The ferrite content shall not exceed 5 %.34 Grain size EN 4700-006 1 See EN ISO 643. 7 G 5 44 External defects

30、(visual) EN 4700-006 50 Cleanliness/inclusion content EN 4700-006 (micro cleanness) 1 See EN 2951. 7 Category 2 51 Macrostructure EN 4700-006 (grain flow) 1 See EN 2950. 61 Internal defects EN 4700-006 1 See EN 4050-4. 7 Class 4 95 Marking inspection EN 700-006 96 Dimensional inspection EN 4700-006

31、98 Notes a Where a higher impact strength is required, the maximum Mn content may be increased to 2 % subject to agreement between the customer and the supplier.b For specific welding applications (e.g. high power beam), and after agreement between manufacturer and purchaser, S+P should be equal or

32、less than 0,023 %.c Air quenching may be used for De 20 mm. 99 Typical use BS EN 4630:2014EN 4630:2014 (E) 8 100 Product qualification Qualification programme to be agreed between manufacturer and purchaser. This page deliberately left blankBSI is the national body responsible for preparing British

33、Standards and other standards-related publications, information and services.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

34、 UKAbout usWe bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solutions.The knowledge embodied in our standards has been carefully assembled in a dependable format and refined through our open cons

35、ultation process. Organizations of all sizes and across all sectors choose standards to help them achieve their goals.Information on standardsWe can provide you with the knowledge that your organization needs to succeed. Find out more about British Standards by visiting our website at or contacting

36、 our Customer Services team or Knowledge Centre.Buying standardsYou can buy and download PDF versions of BSI publications, including British and adopted European and international standards, through our website at where hard copies can also be purchased. If you need international and foreign standa

37、rds from other Standards Development Organizations, hard copies can be ordered from our Customer Services team.SubscriptionsOur range of subscription services are designed to make using standards easier for you. For further information on our subscription products go to British Standards Online (BS

38、OL) youll have instant access to over 55,000 British and adopted European and international standards from your desktop. Its available 24/7 and is refreshed daily so youll always be up to date. You can keep in touch with standards developments and receive substantial discounts on the purchase price

39、of standards, both in single copy and subscription format, by becoming a BSI Subscribing Member. PLUS is an updating service exclusive to BSI Subscribing Members. You will automatically receive the latest hard copy of your standards when theyre revised or replaced. To find out more about becoming a

40、BSI Subscribing Member and the benefits of membership, please visit a Multi-User Network Licence (MUNL) you are able to host standards publications on your intranet. Licences can cover as few or as many users as you wish. With updates supplied as soon as theyre available, you can be sure your docum

41、entation is current. For further information, email .RevisionsOur British Standards and other publications are updated by amendment or revision. We continually improve the quality of our products and services to benefit your business. If you find an inaccuracy or ambiguity within a British Standard

42、or other BSI publication please inform the Knowledge Centre.CopyrightAll the data, software and documentation set out in all British Standards and other BSI publications are the property of and copyrighted by BSI, or some person or entity that owns copyright in the information used (such as the inte

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