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 CLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STA
2、NDARDS, 16/07/2010 03:33, Uncontrolled Copy, (c) BSIThis British Standard was published under the authority 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 B
3、ritish Standard is the UK implementation of EN 2852:2010.The UK participation in its preparation was 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 doe
4、s not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/07/2010 03:33, Uncontrolled Copy, (c) BSIBS
5、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 resisting steel passivated - Classification: 1 100 MPa/650 C Srie arospatiale - crous hexagonaux, simples
6、 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 Stahl, passiviert - Klasse: 1 100 MPa/650 C This European Standard was approved by CEN on 25 December 20
7、09. 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 bibliographical references concerning such national standards may be obtained
8、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 member into its own language and notified to the CEN Management
9、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, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands,
10、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: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any f
11、orm and by any means reserved worldwide for CEN national Members. Ref. No. EN 2852:2010: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/07/2010 03:33, Uncontrolled Copy, (c) BSIBS EN 2852:2010EN 2852:2010 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Required character
12、istics .54 Designation 75 Marking .86 Technical specification .8Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/07/2010 03:33, Uncontrolled Copy, (c) BSIBS EN 2852:2010EN 2852:2010 (E) 3 Foreword This document (EN 2852:2010) has been prepared by the Aerospace and Defence Industries Associa
13、tion 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 Official Services of the member countries of ASD, prior to its presentation to CEN. This E
14、uropean Standard shall be given the status of a national standard, either by publication of an identical 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
15、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 standards organizations of the following countries are bound to implement
16、 this European Standard: Austria, Belgium, Bulgaria, Croatia, 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, Switzer
17、land and the United Kingdom. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/07/2010 03:33, Uncontrolled Copy, (c) BSIBS EN 2852:2010EN 2852:2010 (E) 4 1 Scope This standard specifies the characteristics of plain hexagonal nuts in passivated heat resisting steel, with or without locking ho
18、les, 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 bolts of 1 100 MPa 1) tensile strength classification, at temperatures up to 650 C. 2 Normative references
19、 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 2171 2), Heat resisting steel FE-PA92-HT Rm 9
20、00 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 aerospace products EN 2516, Aerospace series Passivation of corrosion resisting steels and decontamination of nic
21、kel 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 (X6NiCrTiMoV26-15) Solution treated and precipitation treated Bar and section De 100 mm Rm 960 MPa EN 9100
22、, 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: Limit dimensions for bolts and nuts ISO 8279, Aerospace Nuts, hexagonal, plain, normal height, normal across
23、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)/235 C, 1 100 MPa (at ambient temperature)/315 C, 1 100 MPa (at ambient temperature)/650 C, 1 210 MPa (at
24、 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 9139, Aerospace Nuts, plain or slotted (castellated) Procurement specification 1) This strength level ap
25、plies 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. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/07/2010 03:33, Uncontrolled Copy, (c) BSIBS EN 2852:2010EN 2852:2010 (E)
26、 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 in ac
27、cordance 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. Licensed Co
28、py: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/07/2010 03:33, Uncontrolled Copy, (c) BSIBS EN 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 diam
29、eter 4 Bearing surface may be flat to concave but shall not be convex 5 At three positions a 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 dimensio
30、ns. cApplicable to both faces. Key 1 Marking Figure 1 Configuration 6,3 Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/07/2010 03:33, Uncontrolled Copy, (c) BSIBS EN 2852:2010EN 2852:2010 (E) 7 Table 1 Dimensions and masses Dimensions in millimetres Thread a E F H L M N P T U VW b Massc k
31、g/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 0,3 030 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 M
32、J50,8-4H6H 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 5,0 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 1
33、9 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 19,2 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
34、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 block EN2852100 Number of this standard Locking hole code (see Table 2) Thread code (see Table 1) NOTE If neces
35、sary the originator code I9005 shall be placed between the description block and the identity block. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/07/2010 03:33, Uncontrolled Copy, (c) BSIBS EN 2852:2010EN 2852:2010 (E) 8 Table 2 Locking hole Code with H without (hyphen) 5 Marking Each n
36、ut 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 assurance
37、 requirements, see EN 9100. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/07/2010 03:33, Uncontrolled Copy, (c) BSIBS EN 2852:2010This page has been intentionally left blankLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/07/2010 03:33, Uncontrolled Copy, (c) BSIBS EN2852:2010BS
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