1、BRITISH STANDARDBS EN 3476:2006Aerospace series Steel FE-PL1501 (30CrMo12) Air melted Softened Forging stock a or D u 300 mmThe European Standard EN 3476:2006 has the status of a British StandardICS 49.025.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50
2、g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3476:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007ISBN 978-0-580-49944-9National forewordThis Bri
3、tish Standard was published by BSI. It is the UK implementation of EN 3476:2006.The UK participation in its preparation was entrusted by Technical Committee ACE/61, Metallic materials for aerospace purposes, to Subcommittee ACE/61/-/15, Steels.A list of organizations represented on ACE/61/-/15 can b
4、e 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 correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issued since publicationAmd. N
5、o. Date CommentsEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3476 December 2006 ICS 49.025.10 English Version Aerospace series - Steel FE-PL1501 (30CrMo12) - Air melted - Softened - Forging stock - a or D 300 mm Srie arospatiale - Acier FE-PL1501 (30CrMo12) - labor lair - Adouci - Produit de
6、stin la forge - a ou D 300 mm Luft- und Raumfahrt - Stahl FE-PL1501 (30CrMo12) - Lufterschmolzen - Weichgeglht - Schmiedevormaterial - a oder D 300 mm This European Standard was approved by CEN on 5 October 2006. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipula
7、te 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 Central Secretariat or to any CEN member. This European Standard exis
8、ts 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 Secretariat has the same status as the official versions. CEN members are the national standards bod
9、ies of Austria, Belgium, 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 United Kingdom. EUROPEAN COM
10、MITTEE 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 reserved worldwide for CEN national Members. Ref. No. EN 3476:2006: E2 Foreword This docume
11、nt (EN 3476:2006) 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 Officia
12、l 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 June 2007, and conflicting national standards shall be withdrawn at the
13、 latest by June 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 all such patent rights. According to the CEN/CENELEC Internal Regulations, the national
14、standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portuga
15、l, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 3476:20063 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 prep
16、ared in accordance with EN 4500-5. 1 Scope This standard specifies the requirements relating to: Steel FE-PL1501 (30CrMo12) Air melted Softened Forging stock a or D 300 mm for aerospace applications. 2 Normative references The following referenced documents are indispensable for the application of t
17、his document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2003-14, Aerospace series Test methods for steel products Part 14: Hardenability test by end quenching (Jominy test). 1)EN
18、2043, Aerospace series Metallic materials General requirements for semi-finished product qualification (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
19、 materials Ultrasonic inspection of bars, plates, forging stock and forgings Part 1: General requirements. 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 fo
20、r drafting and presentation of material standards Part 5: Specific rules for steels. 1)1) Published as ASD Prestandard at the date of publication of this standard. EN 3476:20064 1 Material designation Steel FE-PL1501 (30CrMo12) Element C Si Mn P S Cr Mo Ni Fe min. 0,28 0,10 0,40 2,80 0,30 2 Chemical
21、 composition % max. 0,35 0,40 0,70 0,025 0,020 3,30 0,50 0,30 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
22、condition Delivery condition 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
23、 C Ambient13 Proof stress Rp0,2MPa 850 14 Strength RmMPa 1 050 Rm 1 250 15 Elongation A % 10 16 T Reduction of area Z % 17 Hardness 277 HB 311 HB 375 a, b18 Shear strength RcMPa 19 Bending k 20 Impact strength KV 35J; Notch direction T; (KV 20 J) c21 Temperature C 22 Time h 23 Stress aMPa 24 Elongat
24、ion a % 25 Rupture stress RMPa 26 C Elongation at rupture A % 27 Notes (see line 98) a, b, cEN 3476:20065 29 Reference heat treatment Hardened and tempered 860 C 920 C / OQ + 560 C / OQ 31 1 EN 2003-14 Hardenability (Jominy test) 5 = 875 C 5 C Distance in mm 1,5 5 9 15 25 40 HRC max. 57 57 57 57 55
25、54 7 HRC min. 49 48 47 46 46 45 34 Grain size See EN 2157-2.5 See line 29. 7 G 5 44 External defects See EN 2157-2. 50 See EN 2157-2.Cleanliness/inclusion content (micro-cleanness) 7 Category 1 61 Internal defects See EN 2157-2. 1 EN 4050-1 6 a or D 100 mm may be tested either on the product or at a
26、n earlier stage of manufacturing 7 Class 2 95 Marking inspection See EN 2157-2. 96 Dimensional inspection See EN 2157-2. 98 Notes aHV for a or D 5 mm bSurface hardness after nitriding: HV 800 cValue in brackets after blank nitriding: 490 C 510 C / t = 24 h 99 Typical use EN 3476:20066 100 Product qu
27、alification See EN 2043. Qualification programme to be agreed between manufacturer and purchaser. EN 3476:2006blankBS EN 3476:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK
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