1、BS EN 2852:2010ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series nuts, hexagonal, plain, normal height, normal across flats, heat resisting steel passivated Classification: 1100 MPa/650 CThis British Standard was published under the a
2、uthority of the Standards Policy and Strategy Committee on 30 April 2010. BSI 2010ISBN 978 0 580 71029 2Amendments/corrigenda issued since publicationDate CommentsBS EN 2852:2010National forewordThis British Standard is the UK implementation of EN 2852:2010.The UK participation in its preparation wa
3、s entrusted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its c
4、orrect application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 2852:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2852 March 2010 ICS 49.030.30 English Version Aerospace series - Nuts, hexagonal, plain, normal height, normal across flats, heat res
5、isting steel passivated - Classification: 1 100 MPa/650 C Srie arospatiale - crous hexagonaux, simples hauteur normale, surplats normaux en acier rsistant chaud passiv - Classification : 1 100 MPa/650 C Luft- und Raumfahrt - Sechskantmuttern, normale Hhe, normale Schlsselweite, aus hochwarmfestem St
6、ahl, passiviert - Klasse: 1 100 MPa/650 C This European Standard was approved by CEN on 25 December 2009. 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 alteratio
7、n. 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 translat
8、ion 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, Croatia, 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: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2852:2010: EBS EN 2852:2010EN 2852:2010 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Required charac
11、teristics .54 Designation 75 Marking .86 Technical specification .8BS EN 2852:2010EN 2852:2010 (E) 3 Foreword This document (EN 2852:2010) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance
12、 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 national standard, either by publication of an i
13、dentical text or by endorsement, at the latest by September 2010, and conflicting national standards shall be withdrawn at the latest by September 2010. 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
14、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, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, E
15、stonia, 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. BS EN 2852:2010EN 2852:2010 (E) 4 1 Scope This standard specifies t
16、he characteristics of plain hexagonal nuts in passivated heat resisting steel, with or without locking holes, the dimensions of which are in conformity with ISO 8279. These nuts are intended for use in aircraft assemblies, subjected principally to tension loading. They are intended to be used with b
17、olts of 1 100 MPa 1) tensile strength classification, at temperatures up to 650 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
18、 referenced document (including any amendments) applies. EN 2171 2), Heat resisting steel FE-PA92-HT Rm 900 MPa Bars Aerospace series 3)EN 2398, Aerospace series Heat resisting steel FE-PA2601 (X6NiCrTiMoV26-15) Rm 900 MPa Bars for machined bolts D 25 mm EN 2424, Aerospace series Marking of aerospac
19、e products EN 2516, Aerospace series Passivation of corrosion resisting steels and decontamination of nickel base alloys EN 4317, Aerospace series Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15) Non heat treated Forging stock a or D 200 mm EN 4318, Aerospace series Heat resisting alloy FE-PA2601 (
20、X6NiCrTiMoV26-15) Solution treated and precipitation treated Bar and section De 100 mm Rm 960 MPa EN 9100, Quality Management Systems Requirements for Aviation, Space and Defense Organizations ISO 5855-1, Aerospace MJ threads Part 1: General requirements ISO 5855-2, Aerospace MJ threads Part 2: Limi
21、t dimensions for bolts and nuts ISO 8279, Aerospace Nuts, hexagonal, plain, normal height, normal across flats, with MJ threads, classifications: 600 MPa (at ambient temperature)/120 C, 600 MPa (at ambient temperature)/235 C, 900 MPa (at ambient temperature)/425 C, 1 100 MPa (at ambient temperature)
22、/235 C, 1 100 MPa (at ambient temperature)/315 C, 1 100 MPa (at ambient temperature)/650 C, 1 210 MPa (at ambient temperature)/ 730 C, 1 250 MPa (at ambient temperature)/235 C and 1 550 MPa (at ambient temperature)/600 C Dimensions ISO 8788, Aerospace Nuts, metric Tolerances of form and position ISO
23、 9139, Aerospace Nuts, plain or slotted (castellated) Procurement specification 1) This strength level applies at ambient temperature. 2) Inactive for new designation, see EN 4317 and EN 4318. 3) Published as ASD-STAN Prestandard at the date of publication of this standard. BS EN 2852:2010EN 2852:20
24、10 (E) 5 3 Required characteristics 3.1 Configuration Dimensions Tolerances See Figure 1 and Table 1. Configuration shall be in accordance with Figure 1; the dimensions and tolerances shall conform to the values shown in Figure 1 and Table 1 after passivation. The tolerances of form and position are
25、 in accordance with ISO 8788. 3.2 Surface roughness See Figure 1. The values apply before passivation. They do not apply to the thread; the surface roughness will be as achieved by normal methods of manufacture. 3.3 Materials Steel EN 2171 or EN 2398. 3.4 Surface treatment Passivation EN 2516. BS EN
26、 2852:2010EN 2852:2010 (E) 6 Break sharp edges 0,1 to 0,4. a) Form without lockwire holesb) Form with lockwire holes(Dimensions otherwise as form without lockwire holes) Key 1 90 to 120 2 Thread 3 Pitch diameter 4 Bearing surface may be flat to concave but shall not be convex 5 At three positions a
27、Form of contour, within limiting dimensions, at manufacturers option. Flat may be tangential to but shall not intrude on M min. bAll forms of entry (chamfer or radius) optional within these limiting dimensions. cApplicable to both faces. Key 1 Marking Figure 1 Configuration 6,3 BS EN 2852:2010EN 285
28、2:2010 (E) 7 Table 1 Dimensions and masses Dimensions in millimetres Thread a E F H L M N P T U VW b Massc kg/1 000pieces approx.Code Designation min. h14 max. min. min. max. min. H13 0,2020 MJ20,4-4H6H 4,2 4 h12 1,6 2,8 2,2 3,4 0,4 0,2 0,080,25 d d d 0,15 025 MJ2,50,45-4H6H 5,3 5 2,0 3,3 2,7 4,4 0,
29、3 030 MJ30,5-4H6H 6,5 6 2,4 3,8 3,2 5,4 0,100,5 040 MJ40,7-4H6H 7,6 7 3,2 4,8 4,2 6,4 0,5 0,2 0,3 0,85 050 MJ50,8-4H6H 8,7 8 4,0 5,8 5,2 7,4 1,3 060 MJ61-4H5H 10,9 10 h13 4,8 7,1 6,3 9,3 1,0 3,9 2,0 2,4 070 MJ71-4H5H 12,0 11 5,6 8,1 7,3 10,2 0,36 4,4 2,4 3,2 080 MJ81-4H5H 14,3 13 6,4 9,1 8,3 12,2 5,
30、0 2,8 5,2 100 MJ101,25-4H5H 18,9 17 8,0 11,1 10,3 16,0 0,6 0,3 0,131,5 6,9 3,6 11,5 120 MJ121,25-4H5H 21,1 19 9,6 13,1 12,3 18,0 0,43 8,0 4,4 16,1 140 MJ141,5-4H5H 24,5 22 11,2 15,2 14,4 21,0 0,15 9,6 5,2 25 160 MJ161,5-4H5H 26,8 24 12,8 17,2 16,4 23,0 0,1810,7 6,0 33 180 MJ181,5-4H5H 30,2 27 14,4 1
31、9,2 18,4 26,0 12,0 6,8 46 200 MJ201,5-4H5H 33,6 30 16,0 21,2 20,4 29,0 0,52 13,4 7,6 62 aIn accordance with ISO 5855-1 and ISO 5855-2. bFrom either face. cCalculated on the basis of 7,85 kg/dm3. dLockwire hole not provided for these diameters. 4 Designation EXAMPLE Description block NUT Identity blo
32、ck EN2852100 Number of this standard Locking hole code (see Table 2) Thread code (see Table 1) NOTE If necessary the originator code I9005 shall be placed between the description block and the identity block. BS EN 2852:2010EN 2852:2010 (E) 8 Table 2 Locking hole Code with H without (hyphen) 5 Marki
33、ng Each nut shall be marked in the position shown on the Figure 1 in accordance with EN 2424 according to the marking styles defined in Table 3. Table 3 Thread code Marking style 020 to 040 G 050 to 070 E 080 to 160 C 180 to 200 A 6 Technical specification Conforming to ISO 9139, except for quality
34、assurance requirements, see EN 9100. BS EN 2852:2010This page has been intentionally left blankBS EN2852:2010BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 - British Standards InstitutionBSI is the independent national body responsible for pr
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