1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58heat resisting nickel base alloy NI-PH2601 (Ni-P100HT, Inconel 718), silver plated on internal thre
2、ad, for salvage of componentsThe European Standard EN 3913:2007 has the status of a British StandardICS 49.030.30Aerospace series Insert, thin wall, self-locking, short, in BRITISH STANDARDBS EN 3913:2007BS EN 3913:2007This British Standard was published under the authority of the Standards Policy a
3、nd Strategy Committee on 30 April 2007 BSI 2007ISBN 978 0 580 50641 3Amendments issued since publicationAmd. No. Date Commentscontract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.National forewordThis British Sta
4、ndard was published by BSI. It is the UK implementation of EN 3913:2007.The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained on request to its secretary.Thi
5、s publication does not purport to include all the necessary provisions of a EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3913April 2007ICS 49.030.30English VersionAerospace series - Insert, thin wall, self-locking, short, in heatresisting nickel base alloy NI-PH2601 (Ni-P100HT, Inconel 718),sil
6、ver plated on internal thread, for salvage of componentsSrie arospatiale - Douilles filetes, paroi mince, freinage interne, courtes, en alliage rsistant chaud base de nickel NI-PH2601 (NI-P100HT, Inconel 718),argentes sur filetage intrieur, pour rcuprationLuft- und Raumfahrt - Gewindeeinstze, dnnwan
7、dig,selbstsichernd, kurz, aus hochwarmfesterNickelbasislegierung NI-PH2601 (NI-P100HT, Inconel 718),Innengewinde versilbert, zur Nacharbeit von BauteilenThis European Standard was approved by CEN on 28 August 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipul
8、ate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exis
9、ts in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodi
10、es 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, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPE
11、AN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3913:2007: E2 Contents Page Forew
12、ord3 Introduction .4 1 Scope 4 2 Normative references 4 3 Required characteristics.5 4 Designation 6 5 Marking and Identification 6 6 Technical specification .6 EN 3913:20073 Foreword This document (EN 3913:2007) has been prepared by the Aerospace and Defence Industries Association of Europe - Stand
13、ardization (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 Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall
14、 be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2007, and conflicting national standards shall be withdrawn at the latest by October 2007. Attention is drawn to the possibility that some of the elements of this docum
15、ent 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 standards organizations of the following countries are bound to implement this European Standard: A
16、ustria, Belgium, Bulgaria, 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 391
17、3:20074 Introduction For design and installation procedures see EN 3298 and EN 3916. 1 Scope This standard specifies the characteristics of short, self-locking, thin wall salvage inserts with silver plated internal thread, in NI-PH2601 (NI-P100HT), for aerospace applications. Maximum test temperatur
18、e 550 C. 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 edition of the referenced document (including any amendments) applies. ISO 965-1, ISO ge
19、neral purpose metric screw threads Tolerances Part 1: Principles and basic data. ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts. EN 2404 1), Heat resisting nickel base alloy NI-P100HT Solution treated and precipitation treated Bars Aerospace series. 2)EN 2424, Aerospace
20、 series Marking of aerospace products. EN 2786, Aerospace series Electrolytic silver plating of fasteners. 3)EN 3298, Aerospace series Inserts, thin wall, self-locking Installation and removal procedure. EN 3915, Aerospace series Insert, thin wall, self-locking, Mj threads, in heat resisting nickel
21、base alloy NI-PH2601 (NI-P100HT, Inconel 718), for salvage of components Classification: 1 275 MPa (at ambient temperature) / 550 C Technical specification. 3)EN 3916, Aerospace series Insert, thin wall Salvage procedure for components. 3)EN 4376, Aerospace series Heat resisting alloy NI-PH2601 (NiC
22、r19Fe19Nb5Mo3) Solution treated and precipitation treated Bar and section De 200 mm.3)EN 4377, Aerospace series Heat resisting alloy NI-PH2601 (NiCr19Fe19Nb5Mo3) Non heat treated Forging stock a or D 300 mm. 3)TR 3198, Aerospace series Manufacturers identification monograms and marks for EN aerospac
23、e products.4)1) Inactive for new designation, see EN 4376 and EN 4377. 2) Published as ASD Standard at the date of publication of this standard. 3) Published as ASD Prestandard at the date of publication of this standard. 4) Published as ASD Technical Report at the date of publication of this standa
24、rd. EN 3913:20075 3 Required characteristics 3.1 Configuration - Dimensions - Tolerances - Masses See Figure 1 and Table 1. Dimensions and tolerances are in millimetres. Dimensions apply after silver plating. 3.2 Material EN 2404 3.3 Surface treatment EN 2786 on internal thread and counterbore diame
25、ter C Thickness: Internal threads MJ6 : 5 m on thread flanks Internal threads MJ5 : shall show complete coverage, without thickness requirement Counterbore diameter C : shall show complete coverage, without thickness requirement Key 1 Form may be produced out of round in this area (approx mid length
26、 of internal thread) to achieve self locking requirement tool marks permissible 2 Thread lock mid length (int. thread) 3 Thread pitch diameter 4 Manufacturers identity mark here 5 Knurl across threads to produce J serrations 6 Internal thread facilitated by either axial or radial groove or grooves,
27、method optional 7 3 slots equi-spaced Details of form not stated are at the manufacturers option Remove sharp edges 0,1 to 0,4 Ra3,2 Values apply before silver plating Figure 1 EN 3913:20076 Table 1 B External thread bC D E F G H J Code A Internal thread aDesignation Designation Max. minor diameter
28、+ 0,120 0,3+ 0,40 + 0,60 min. min. Mass kg/1 000parts 050 MJ50,8-4H6H M91-4g 8,056 7,34 8,2 1,90 1,50 1,25 4,56 27 4,398 060 MJ61-4H5H M101-4g 9,056 8,36 9,5 2,42 1,90 1,50 5,44 28 6,213 070 MJ71-4H5H M111-4g 10,110 9,40 11,5 2,42 1,90 1,75 6,44 32 8,256 080 MJ81-4H5H M121-4g 11,110 10,39 13,4 2,42
29、1,90 2,00 7,28 33 10,931 100 MJ101,25-4H5H M141-4g 13,116 12,40 16,8 3,05 2,42 2,50 9,14 40 17,780 aThreads conform to ISO 5855-2. In the self locking zone the tolerances apply before forming out of round. bThreads conform to ISO 965 -1 except maximum minor diameter which shall be as stated. Percent
30、age thread loss values in mm3listed below refer to the maximum amount of thread that can be removed to enable the facilitation of internal thread locking. These values are obtained from the volume of thread available which is defined as being the circumferential volume of thread over length K (see F
31、igure 1 and Table 2). Table 2 Code 050 060 070 080 100 % Thread loss 31 26 21 17 14 4 Designation EXAMPLE Description block INSERT THIN WALL Identity block EN3913-050 Number of this standard Thread code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and
32、 the identity block. 5 Marking and Identification EN 2424, style G Manufacturers identification grooves shall be V - section 0,1 - 0,2 deep, as indicated in Figure 1. For spacing, see TR 3198 List 3. 6 Technical specification EN 3915 EN 3913:2007blankBS EN BSI389 Chiswick High RoadLondonW4 4AL3913:2
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