1、BRITISH STANDARDBS EN 3365:2007Aerospace series Steel FE-PM3901 (X15CrNi17-3) Air melted, softened, forging stock a or D u 300 mmICS 49.025.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g
2、60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3365:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2008 BSI 2008ISBN 978 0 580 61213 8National forewordThis British Standard is the UK implementation of EN 3365:2007.The UK partici
3、pation in its preparation was entrusted by Technical Committee ACE/61, Metallic materials for aerospace purposes, to Panel ACE/61/-/15, Steels.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 necess
4、ary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3365 July 2007 ICS 49.025.
5、10 English Version Aerospace series - Steel FE-PM3901 (X15CrNi17-3) - Air melted, softened, forging stock a or D 300 mm Srie arospatiale - Acier FE-PM3901 (X15CrNi17-3) - labor lair, adouci, produits destins la forge a ou D 300 mm Luft- und Raumfahrt - Stahl FE-PM3901 (X15CrNi17-3) - Lufterschmolzen
6、, weichgeglht, Schmiedevormaterial a oder D 300 mm This European Standard was approved by CEN on 15 February 2007. 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
7、alteration. Up-to-date lists 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
8、 translation under the responsibility 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,
9、Germany, Greece, Hungary, Iceland, 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 NOR
10、MUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3365:2007: E2 Contents Page Foreword3 Introduction .4 1 Scope 4 2 Normative references 4 BS EN 3365:20073 Foreword Thi
11、s document (EN 3365:2007) 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 Standard has received the approval of the National Associations and the
12、 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 latest by January 2008, and conflicting national standards shall be withd
13、rawn at the latest by January 2008. 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 all such patent rights. According to the CEN/CENELEC Internal Regulations,
14、 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, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands,
15、 Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 3365:20074 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.
16、This standard has been prepared in accordance with EN 4500-5. 1 Scope This standard specifies the requirements relating to: Steel FE-PM3901 (X15CrNi17-3) Air melted, softened, forging stock a or D 300 mm for aerospace applications. 2 Normative references The following referenced documents are indisp
17、ensable 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 2043, Aerospace series Metallic materials General requirements for semi-finished product qu
18、alification (excluding forgings and castings)1)EN 2157-2, Aerospace series Steel Forging stock and forgings Technical specification Part 2: Forging stock EN 4050-1, Aerospace series Test method for metallic materials Ultrasonic inspection of bars, plates, forging stock and forgings Part 1: General r
19、equirements1)EN 4258, Aerospace series Metallic materials General organization of standardization Links between types of EN standards and their use EN 4436, Aerospace series Steel Test methods Determination of -ferrite content1)EN 4500-5, Aerospace series Metallic materials Rules for drafting and pr
20、esentation of material standards Part 5: Specific rules for steels1)1) Published as AECMA Prestandard at the date of publication of this standard. BS EN 3365:20075 1 Material designation Steel FE-PM3901 (X15CrNi17-3) Element C Si Mn P S Cr Ni Fe min. 0,12 15,0 2,00 2 Chemical composition % max. 0,20
21、 1,00 1,00 0,030 0,025 17,0 3,00 Base 3 Method of melting Air melted 4.1 Form Forging stock 4.2 Method of production 4.3 Limit dimension(s) mm a or D 300 5 Technical specification EN 2157-2 Delivery condition Softened 6.1 Heat treatment 6.2 Delivery condition code U Use condition Delivery condition
22、7 Heat treatment Characteristics 8.1 Test sample(s) See EN 2157-2 8.2 Test piece(s) See EN 2157-2 8.3 Heat treatment Delivery condition See line 29 9 Dimensions concerned mm a or D 300 10 Thickness of cladding on each face % 11 Direction of test piece L 12 Temperature C Ambient13 Proof stress Rp0,2
23、MPa 700 14 T Strength RmMPa 900 Rm 1 100 15 Elongation A % 12 16 Reduction of area Z % 17 Hardness 293 HB 262 HB 331 18 Shear strength RcMPa 19 Bending k 20 Impact strength KV 20 J; Notch direction T 21 Temperature C 22 Time h 23 Stress aMPa 24 C Elongation a % 25 Rupture stress RMPa 26 Elongation a
24、t rupture A % 27 Notes (see line 98) BS EN 3365:20076 29 Reference heat treatment Hardened and tempered 950 C 1 040 C / OQ + 635 C 685 C / OQ or WQ + 585 C 615 C / QC or WQ 1 EN 4436 2 One per cast 3 Corresponding to ingot top 5 See line 29 30 Microstructure 7 The -ferrite content shall not exceed 5
25、 % 44 External defects See EN 2157-2 EN 2157-2 50 Cleanliness/inclusion content (micro-cleanness) 7 Category 2 See EN 2157-2 1 EN 4050-1 6 a or D 100 mm may be tested on the product or at an earlier stage of manufacturing. 61 Internal defects 7 Class 2 95 Marking inspection See EN 2157-2 96 Dimensio
26、nal inspection EN 2157-2 98 Notes 99 Typical use BS EN 3365:20077 See EN 2043 100 Product qualification Qualification programme to be agreed between manufacturer and purchaser. BS EN 3365:2007BS EN 3365:2007BSI Group Headquarters389 Chiswick High Road,London W4 4AL, UKTel +44 (0)20 8996 9001Fax +44
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