1、BRITISH STANDARDBS EN 3973:2006Aerospace series Steel FE-CM3801 (X5CrNiCuNb16-4) Homogenized, solution treated and precipitation hardened Investment casting De u 50 mm Rm W 1 030 MPaThe European Standard EN 3973:2006 has the status of a British StandardICS 49.025.10g49g50g3g38g50g51g60g44g49g42g3g58
2、g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Thu Apr 05 08:20:36 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBS EN 3973:2006This British Standard was pu
3、blished under the authority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007ISBN 978 0 580 50084 8National forewordThis British Standard was published by BSI. It is the UK implementation of EN 3973:2006. The UK participation in its preparation was entrusted by Technical Com
4、mittee ACE/61, Metallic materials for aerospace purposes, to Panel ACE/61/-/15, Steels.A list of organizations represented on ACE/61/-/15 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
5、 correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Thu Apr 05 08:20:36 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM
6、EN 3973 December 2006 ICS 49.025.10 English Version Aerospace series - Steel FE-CM3801 (X5CrNiCuNb16-4) - Homogenized, solution treated and precipitation hardened - Investment casting - De 50 mm - Rm 1 030 MPa Srie arospatiale - Acier FE-CM3801 (X5CrNiCuNb16-4) -Homognis, mis en solution et durci pa
7、r prcipitation - Pices moules en cire perdue - De 50 mm - Rm 1 030 MPa Luft- und Raumfahrt - Stahl FE-CM3801 (X5CrNiCuNb16-4) - Homogenisiet, lsungsgeglht und ausgelagert - Feingustcke durch Wachsausschmelzverfahren - De 50 mm - Rm 1 030 MPa This European Standard was approved by CEN on 18 October 2
8、006. 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 lists and bibliographical references concerning such national standards may be obtained
9、 on application to the Central Secretariat 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 responsibility of a CEN member into its own language and notified to the Central Secretar
10、iat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portug
11、al, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means
12、 reserved worldwide for CEN national Members. Ref. No. EN 3973:2006: ELicensed Copy: Wang Bin, na, Thu Apr 05 08:20:36 GMT+00:00 2007, Uncontrolled Copy, (c) BSI2 Foreword This document (EN 3973:2006) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (
13、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 Standard shall be given th
14、e status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2007, and conflicting national standards shall be withdrawn at the latest by June 2007. Attention is drawn to the possibility that some of the elements of this document may be the sub
15、ject 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 this European Standard: Austria, Belgium, C
16、yprus, 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 United Kingdom. EN 3973:2006Licensed Copy: Wang Bi
17、n, na, Thu Apr 05 08:20:36 GMT+00:00 2007, Uncontrolled Copy, (c) BSI3 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
18、 4500-5. 1 Scope This standard specifies the requirements relating to: Steel FE-CM3801 (X5CrNiCuNb16-4) Homogenized, solution treated and precipitation hardened Investment casting De 50 mm Rm 1 030 MPa for aerospace applications. 2 Normative references The following referenced documents are indispen
19、sable 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 amendments) applies. EN 2103-3, Aerospace series Steel, nickel base and cobalt base alloy remelting stock and casting
20、s Technical specification Part 3 Pre-production and production castings. EN 3484, Aerospace series Steel FE-CM61 As cast Reference heat treatment: homogenised, solution treated, precipitation hardened and sub zero Remelting stock. 1)EN 4258, Aerospace series Metallic materials General organization o
21、f standardization Links between types of EN standards and their use. EN 4436, Aerospace series Steel Test methods Determination of ferrite content. 1)EN 4500-5, Aerospace series Metallic materials Rules for drafting and presentation of material standards Part 5: Specific rules for steels. 1)1) Publi
22、shed as ASD Prestandard at the date of publication of this standard. EN 3973:2006Licensed Copy: Wang Bin, na, Thu Apr 05 08:20:36 GMT+00:00 2007, Uncontrolled Copy, (c) BSI4 1 Material designation Steel FE-CM3801 (X5CrNiCuNb16-4) Element C Si Mn P S Cr Ni Cu N2Nb+Ta Fe min. 0,50 15,5 3,60 2,80 0,15
23、2 Chemical composition % max. 0,06 1,00 0,70 0,04 0,03 16,7 4,60 3,50 0,05 0,40 Base 3 Method of melting Air melted 4.1 Form Investment casting 4.2 Method of production Cast from remelting stock EN 3484 4.3 Limit dimension(s) mm De 50 5 Technical specification EN 2103-3 Delivery condition Homogenize
24、d, solution treated and precipitation hardened 6.1 Heat treatment 1 150 C / t = 1h 30 min / AC or OQ + 1 040 C / t 30 min / AC or OQ / cool to 20 C + 540 C / t = 1h 30 min / AC 6.2 Delivery condition code U Use condition Delivery condition 7 Heat treatment Characteristics 8.1 Test sample(s) Specimen
25、s cut from the casting Separately cast 8.2 Test piece(s) See EN 2103-3. See EN 2103-3. 8.3 Heat treatment Delivery condition Delivery condition 9 Dimensions concerned mm Wall thickness 25 a 10 Thickness of cladding on each face % 11 Direction of test piece 12 Temperature C Ambient Ambient 13 Proof s
26、tress Rp0,2MPa 900 900 14 Strength RmMPa 1 030 1 030 15 Elongation A % 4 6 16 T Reduction of area Z % 12 12 17 Hardness 34 HRC 18 Shear strength RcMPa 19 Bending k 20 Impact strength 21 Temperature C 22 Time h 23 Stress aMPa 24 Elongation a % 25 Rupture stress RMPa 26 C Elongation at rupture A % 27
27、Notes (see line 98) a EN 3973:2006Licensed Copy: Wang Bin, na, Thu Apr 05 08:20:36 GMT+00:00 2007, Uncontrolled Copy, (c) BSI5 30 Microstructure 1 EN 4436 2 One per batch 3 Test piece appended to casting 5 Delivery condition 7 -ferrite content 15 % 35 Repair by welding See EN 2103-3. 44 External def
28、ects See EN 2103-3. 61 Internal defects See EN 2103-3. 95 Marking inspection See EN 2103-3. 96 Dimensional inspection See EN 2103-3. 98 Notes aFor wall thickness 25 mm, properties to be agreed between manufacturer and purchaser. 99 Typical use EN 3973:2006Licensed Copy: Wang Bin, na, Thu Apr 05 08:2
29、0:36 GMT+00:00 2007, Uncontrolled Copy, (c) BSI6 100 Product qualification Qualification programme to be agreed between manufacturer and purchaser. EN 3973:2006Licensed Copy: Wang Bin, na, Thu Apr 05 08:20:36 GMT+00:00 2007, Uncontrolled Copy, (c) BSIblankLicensed Copy: Wang Bin, na, Thu Apr 05 08:2
30、0:36 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBS EN 3973:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is i
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