1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Vacuum induction melted and vacuum arc remelted Solution treated and precipitation treated Sheet an
2、d strip a k 6 mm 1 750 MPa k Rm k 2 000 MPaThe European Standard EN 3531:2007 has the status of a British StandardICS 49.025.10Aerospace series Steel FE-PM2701 (X2NiCoMo18-8-5) BRITISH STANDARDBS EN 3531:2007BS EN 3531:2007This British Standard was published under the authority of the Standards Poli
3、cy and Strategy Committee on 30 April 2007 BSI 2007ISBN 978 0 580 50561 4Amendments issued since publicationAmd. No. Date CommentsThis publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Stand
4、ard cannot confer immunity from legal obligations. National forewordThis British Standard was published by BSI. It is the UK implementation of EN 3531:2007.The UK participation in its preparation was entrusted by Technical Committee ACE/61, Metallic materials for aerospace purposes, to Panel ACE/61/
5、-/15, Steels.A list of organizations represented on ACE/61/-/15 can be obtained on request to its secretary.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3531 March 2007 ICS 49.025.10 English Version Aerospace series - Steel FE-PM2701 (X2NiCoMo18-8-5) - Vacuum induction melted and vacuum arc
6、remelted - Solution treated and precipitation treated - Sheet and strip - a 6 mm - 1 750 MPa Rm 2 000 MPa Srie arospatiale - Acier FE-PM2701 (X2NiCoMo18-8-5) -labor sous vide et refondu par arc sous vide - Mis en solution et vieilli - Tles et bandes - a 6 mm - 1 750 MPa Rm 2 000 MPa Luft- und Raumfa
7、hrt - Stahl FE-PM2701 (X2NiCoMo18-8-5) - Vakuuminduktionserschmolzen und mit selbstverzehrender Elektrode im Vakuum umgeschmolzen - Lsungsgeglht und ausgelagert - Bleche und Bnder - a 6 mm - 1 750 MPa Rm 2 000 MPa This European Standard was approved by CEN on 5 October 2006. CEN members are bound to
8、 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 on application to the CEN Ma
9、nagement 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 responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status a
10、s the official versions. CEN members are the national standards bodies of 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, Sl
11、ovakia, 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 2007 CEN All rights of exploitation in any form and by any means reserved world
12、wide for CEN national Members. Ref. No. EN 3531:2007: E2 Foreword This document (EN 3531:2007) has been prepared 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 St
13、andard 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 the status of a national standard, either by publication of an identical text or by endorsement, at the late
14、st by September 2007, and conflicting national standards shall be withdrawn at the latest by September 2007. Attention is 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 a
15、ll 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, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ic
16、eland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 3531:20073 Introduction This standard is part of the series of EN metallic material standards for aerospace applicati
17、ons. 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 standard specifies the requirements relating to: Steel FE-PM2701 (X2NiCoMo18-8-5) Vacuum induction melted and vacuum arc remelted Solution treated and prec
18、ipitation treated Sheet and strip a 6 mm 1 750 MPa Rm 2 000 MPa for aerospace applications. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest editi
19、on of the referenced document (including any amendments) applies. EN 2043, Aerospace series Metallic materials General requirements for semi-finished product qualification (excluding forgings and castings).1)EN 2951, Aerospace series Metallic materials Test method Micrographic determination of conte
20、nt of non-metallic inclusions. 1)EN 4258, 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
21、 steels. 1)EN 4700-1, Aerospace series Steel and heat resisting alloys Wrought products Technical specification Part 1: Plate, sheet and strip. 1)1) Published as ASD Prestandard at the date of publication of this standard. EN 3531:20074 1 Material designation Steel FE-PM2701 (X2NiCoMo18-8-5) Element
22、 C Si Mn P S Mo Ni Al Co Ti Fe min. 4,6 17,0 0,05 7,0 0,30 2 Chemical composition % max. 0,03 0,10 0,10 0,010 0,010 5,2 19,0 0,15 8,5 0,60 Base 3 Method of melting Vacuum induction melted and vacuum arc remelted 4.1 Form Sheet 4.2 Method of production Rolled 4.3 Limit dimension(s) mm a 6 5 Technical
23、 specification EN 4700-1 Delivery condition Solution treated 6.1 Heat treatment 790 C 840 C / AC 6.2 Delivery condition code W Use condition Solution treated and precipitation treated 7 Heat treatment Delivery condition + 465 C 495 C / t 3 h / AC Characteristics 8.1 Test sample(s) See EN 4700-1. 8.2
24、 Test piece(s) See EN 4700-1. 8.3 Heat treatment Solution treated Use condition 9 Dimensions concerned mm a 6 a 3 3 a 6 10 Thickness of cladding on each face % 11 Direction of test piece L L 12 Temperature C Ambient Ambient13 Proof stress Rp0,2MPa 1 650 1 650 14 Strength RmMPa 1 750 Rm 2 000 1 750 R
25、m 2 000 15 Elongation A % A50mm 3 4 16 T Reduction of area Z % 17 Hardness 372 HB 510 HV 600 510 HV 600 18 Shear strength RcMPa 19 Bending k 3; = 180 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 Notes (see lin
26、e 98) EN 3531:20075 34 Grain sizeSee EN 4700-1. 7G 444 External defects See EN 4700-1. 1Visual 50 See EN 4700-1. Cleanliness/inclusion content (micro-cleanness) 1 EN 2951 7 Category 5 95 Marking inspection See EN 4700-1. 96 Dimensional inspection See EN 4700-1. 98 Notes 99 Typical use EN 3531:20076
27、100 Product qualification See EN 2043. Qualification programme to be agreed between manufacturer and purchaser. EN 3531:2007blankBS EN BSI389 Chiswick High RoadLondonW4 4AL3531:2007BSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It p
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