1、BRITISH STANDARDBS EN 3668:2006Aerospace series Heat resisting alloy NI-PH2301 (NiCr21Fe18Mo9) Non heat treated Forging stock a or D u 250 mmThe European Standard EN 3668:2006 has the status of a British StandardICS 49.025.15g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g
2、48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3668:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007ISBN 978 0 580 50088 6National
3、 forewordThis British Standard was published by BSI. It is the UK implementation of EN 3668:2006.The UK participation in its preparation was entrusted by Technical Committee ACE/61, Metallic materials for aerospace purposes, to Panel ACE/61/-/48, Heat resisting alloys.A list of organizations represe
4、nted on ACE/61/-/48 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 correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issue
5、d since publicationAmd. No. Date CommentsEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3668 December 2006 ICS 49.025.15 English Version Aerospace series - Heat resisting alloy NI-PH2301 (NiCr21Fe18Mo9) - Non heat treated - Forging stock - a or D 250 mm Srie arospatiale - Alliage rsistant chau
6、d NI-PH2301 (NiCr21Fe18Mo9) - Non trait - Produits destins la forge - a ou D 250 mm Luft- und Raumfahrt - Hochwarmfeste Legierung NI-PH2301 (NiCr21Fe18Mo9) - Nicht wrmebehandelt - Schmiedevormaterial - a oder D 250 mm This European Standard was approved by CEN on 18 October 2006. CEN members are bou
7、nd 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 on application to the C
8、entral 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 Secretariat has the same status
9、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, Portugal, Romania, Slovakia, S
10、lovenia, 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 reserved worldwide for
11、CEN national Members. Ref. No. EN 3668:2006: E2 Foreword This document (EN 3668:2006) 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 ha
12、s 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 latest by Jun
13、e 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 subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent righ
14、ts. According to the CEN/CENELEC Internal Regulations, the national 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
15、, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 3668:20063 Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization
16、 of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-3. 1 Scope This standard specifies the requirements relating to: Heat resisting alloy NI-PH2301 (NiCr21Fe18Mo9) Non heat treated Forging stock a or D 250 mm for aerospace applications. 2 Normative ref
17、erences 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 edition of the referenced document (including any amendments) applies. EN 2043, Aerospace series Metallic materi
18、als General requirements for semi-finished product qualification (excluding forgings and castings). 1)EN 2860-2, Aerospace series Heat resisting alloys Forging stock and forgings Technical specification Part 2: Forging stock.1)EN 4258, Aerospace series Metallic materials General organization of stan
19、dardization Links between types of EN standards and their use. EN 4500-3, Aerospace series Metallic materials Rules for drafting and presentation of material standards Part 3: Specific rules for heat resisting alloys. 1) 1) Published as ASD Prestandard at the date of publication of this standard. EN
20、 3668:20064 1 Material designation Heat resisting alloy NI-PH2301 (NiCr21Fe18Mo9) Element C Si Mn P S Al Co Cr min. 0,05 0,50 20,5 max. 0,15 1,00 1,00 0,040 0,030 0,50 2,50 23,0 Element Cu Fe Mo Ti W B Pb Ni min. 17,0 8,00 0,20 2 Chemical composition % max. 0,50 20,0 10,0 0,15 1,00 100 a20 aBase 3 M
21、ethod of melting Consumable electrode remelted 4.1 Form Forging stock 4.2 Method of production 4.3 Limit dimension(s) mm a or D 250 5 Technical specification EN 2860-2 Delivery condition Non heat treated 6.1 Heat treatment 6.2 Delivery condition code U Use condition Delivery condition 7 Heat treatme
22、nt Characteristics 8.1 Test sample(s) See EN 2860-2. 8.2 Test piece(s) See EN 2860-2. 8.3 Heat treatment See line 29. 9 Dimensions concerned mm a or D 250 10 Thickness of cladding on each face % 11 Direction of test piece T 12 Temperature C Ambient13 Proof stress Rp0,2MPa 270 14 Strength RmMPa 690 1
23、5 Elongation A % 30 16 T Reduction of area Z % 17 Hardness 255 HB 18 Shear strength RcMPa 19 Bending k 20 Impact strength 21 Temperature C 815 b22 Time h tR 23 23 Stress aMPa 24 Elongation a % 25 Rupture stress RMPa 110 26 C Elongation at rupture A % 8 27 Notes (see line 98) a, b EN 3668:20065 29 Re
24、ference heat treatment Solution treated = 1 175 C 10 C / t 20 min / AC or faster 44 External defects See EN 2860-2. 51 Macrostructure See EN 2860-2. 7 No harmful defects 61 Internal defects See EN 2860-2.7 Class 3 95 Marking inspection See EN 2860-2. 96 Dimensional inspection See EN 2860-2. 98 Notes
25、 ap.p.m. bProportional test piece. 99 Typical use EN 3668:20066 100 Product qualification See EN 2043. Qualification programme to be agreed between manufacturer and purchaser. EN 3668:2006blankBS EN 3668:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent
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