1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Air melted Solution treated and precipitation treated Forgings a or D k 200 mm Rm U 930 MPaThe Euro
2、pean Standard EN 3678:2007 has the status of a British StandardICS 49.025.10Aerospace series Steel FE-PM3801 (X5CrNiCu17-4) BRITISH STANDARDBS EN 3678:2007BS EN 3678:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2007 BSI 2007IS
3、BN 978 0 580 50598 0Amendments 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 Standard cannot confer immunity from legal obligations.Nat
4、ional forewordThis British Standard was published by BSI. It is the UK implementation of EN 3678:2007.The UK participation 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 th
5、is committee can be obtained on request to its secretary.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3678 March 2007 ICS 49.025.10 English Version Aerospace series - Steel FE-PM3801 (X5CrNiCu17-4) - Air melted - Solution treated and precipitation treated - Forgings - a or D 200 mm - Rm 930
6、MPa Srie arospatiale - Acier FE-PM3801 (X5CrNiCu17-4) - labor lair - Mis en solution et vieilli - Pices forges et pices matrices - a ou D 200 mm - Rm 930 MPa Luft- und Raumfahrt - Stahl FE-PM3801 (X5CrNiCu17-4) - Lufterschmolzen - Lsungsgeglht und ausgehrtet - Schmiedestcke - a oder D 200 mm - Rm 93
7、0 MPa This European Standard was approved by CEN on 5 October 2006. 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 bibliographica
8、l 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 translation under the responsibility of a CEN
9、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, Germany, Greece, Hungary, Iceland, Ireland, Ita
10、ly, 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 NORMUNG Management Centre: rue de Stassart, 36 B-1
11、050 Brussels 2007 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3678:2007: E2 Foreword This document (EN 3678:2007) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). Aft
12、er 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 the status of a
13、national standard, either by publication of an identical text or by endorsement, at the latest 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
14、 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, Bugar
15、ia, Cyprus, 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 3678:20073 Introduction Th
16、is 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 4500-5. 1 Scope This standard specifies the requirements relating to: Steel FE-PM3801
17、 (X5CrNiCu17-4) Air melted Solution treated and precipitation treated Forgings a or D 200 mm Rm 930 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.
18、For undated references, the latest edition of the referenced document (including any amendments) applies. EN 3163, Aerospace series Steel FE-PM3801 (X5CrNiCu17-4) Air melted Softened Forging stock a or D 300 mm.1)EN 4050-4, Aerospace series Test method for metallic materials Ultrasonic inspection of
19、 bars, plates, forging stock and forgings Part 4: Acceptance criteria. 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 mater
20、ial standards Part 5: Specific rules for steels. 1)EN 4700-006, Aerospace series Steel and heat resisting alloys Wrought products Technical specification Part 006: Pre-production and production forgings. 2)1) Published as ASD Prestandard at the date of publication of this standard. 2) In preparation
21、 at the date of publication of this standard. EN 3678:20074 1 Material designation Steel FE-PM3801 (X5CrNiCu17-4) Element C Si Mn P S Cr Mo Ni Cu Nb+Ta Fe min. 15,0 3,0 3,0 5 C 2 Chemical composition % max. 0,07 1,00 1,00 0,030 0,015 17,5 0,50 5,0 5,0 0,45 Base 3 Method of melting Air melted 4.1 For
22、m Forgings 4.2 Method of production Forged from forging stock EN 3163 4.3 Limit dimension(s) mm a or D 200 5 Technical specification EN 4700-006 Delivery condition Solution treated Solution treated and precipitation treated 6.1 Heat treatment 1 025 C 1 055 C / t 30 min / AC or OQ + cool to 30 C 1 02
23、5 C 1 055 C / t 30 min / AC or OQ + cool to 30 C + 610 C 630 C / t 4 h / AC 6.2 Delivery condition code W UUse condition Solution treated and precipitation treated Delivery condition 7 Heat treatment Delivery condition + 610 C 630 C / t 4 h / AC Characteristics 8.1 Test sample(s) See EN 4700-006. 8.
24、2 Test piece(s) See EN 4700-006. 8.3 Heat treatment Solution treated Use condition 9 Dimensions concerned mm a or D 200 a or D 75 75 a or D 200 10 Thickness of cladding on each face % 11 Direction of test piece L L T 12 Temperature C Ambient Ambient Ambient 13 Proof stress Rp0,2MPa 725 725 725 14 St
25、rength RmMPa 930 930 930 15 Elongation A % 14 12 10 16 T Reduction of area Z % 50 50 35 17 Hardness 363 HB 277 HB 352 277 HB 352 18 Shear strength RcMPa 19 Bending k 20 Impact strength KV 40 J; Notch direction T KV 20 J; Notch direction T 21 Temperature C 22 Time h 23 Stress aMPa 24 Elongation a % 2
26、5 Rupture stress RMPa 26 C Elongation at rupture A % 27 Notes (see line 98) EN 3678:20075 30 Microstructure See EN 4700-006.2 One per cast7 -ferrite content shall not exceed 5 % 34Grain size See EN 4700-006. 7G 444External defects See EN 4700-006.50 See EN 4700-006.1 EN 2951 2 One per castCleanlines
27、s/inclusion content (micro-cleanness) 7 Category 2 61 Internal defects See EN 4700-006. 1 EN 4050-4 6 a or D 200 mm may be tested either on the product or at an earlier stage of manufacturing 7 Class 2 82 Batch uniformity See EN 4700-006. 95 Marking inspection See EN 4700-006. 96 Dimensional inspect
28、ion See EN 4700-006. 98 Notes 99 Typical use EN 3678:20076 100 Product qualification Qualification programme to be agreed between manufacturer and purchaser. EN 3678:2007blankBS EN BSI389 Chiswick High RoadLondonW4 4AL3678:2007BSI British Standards InstitutionBSI is the independent national body res
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