1、BS EN 3228:2010ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Nuts hexagonal, plain, reduced height, normal across flats, in steel, cadmium plated Classification: 900 MPa (at ambient temperature) / 235 CThis British Standardwas pub
2、lished under theauthority of the StandardsPolicy and StrategyCommittee on 28 February2010 BSI 2010ISBN 978 0 580 70525 0Amendments/corrigenda issued since publicationDate CommentsBS EN 3228:2010National forewordThis British Standard is the UK implementation of EN 3228:2010.The UK participation in it
3、s 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 does not purport to include all the necessary provisionsof a contract. Users are respo
4、nsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 3228:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3228 January 2010 ICS 49.030.30 English Version Aerospace series - Nuts, hexagonal, plain, reduced height, normal acr
5、oss flats, in steel, cadmium plated - Classification: 900 MPa (at ambient temperature) / 235 C Srie arospatiale - crous hexagonaux ordinaires, hauteur rduite, surplats normaux, en acier, cadmis - Classification: 900 MPa ( temprature ambiante) / 235 CLuft- und Raumfahrt - Einfache Sechskantmuttern mi
6、t reduzierter Hhe, normaler Schlsselweite, aus Stahl, verkadmet - Klasse: 900 MPa (bei Raumtemperatur) / 235 C This European Standard was approved by CEN on 11 December 2009. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Euro
7、pean 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 CEN Management Centre or to any CEN member. This European Standard exists in three official versions (Engli
8、sh, 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 Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria,
9、 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, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STAN
10、DARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG 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 3228:2010: EBS EN 3228:2010EN 3228:2010 (E) 2 Conte
11、nts Page Foreword 31 Scope 42 Normative references 43 Required characteristics .54 Designation 75 Marking .86 Technical specification .8BS EN 3228:2010EN 3228:2010 (E) Foreword This document (EN 3228:2010) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardizat
12、ion (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 be giv
13、en the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2010, and conflicting national standards shall be withdrawn at the latest by July 2010. Attention is drawn to the possibility that some of the elements of this document may be th
14、e 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: Austria, Belgi
15、um, 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, Switzerland and the United Kingdom. BS EN 3228
16、:2010EN 3228:2010 (E) 4 1 Scope This standard specifies the characteristics of plain, hexagonal nuts, reduced height, normal across flats, in steel, cadmium plated. Classification: 900 MPa1) / 235 C2). 2 Normative references The following referenced documents are indispensable for the application of
17、 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 2133, Aerospace series Cadmium plating of steels with specified tensile strength 1 450 MPa, copper, copper alloys and nic
18、kel alloys EN 2205, Aerospace series Steel FE-PL1502 (25CrMo4) 900 MPa Rm 1 100 MPa Bars De 40 mm EN 2424, Aerospace series Marking of aerospace products EN 2438, Aerospace series Steel FE-PL2102 (35NiCr6) 900 MPa Rm 1 100 MPa Bars De 40 mmEN 2448, Aerospace series Steel FE-PL1503 (35CrMo4) 900 MPa
19、Rm 1 100 MPa Bars De 40 mm EN 3513, Aerospace series Steel FE-PL711 Hardened and tempered 900 Rm 1 100 MPa Bar and wire De 45 mm3) EN 9100, Quality Management Systems Requirements for Aviation, Space and Defense Organizations TR 3823, Aerospace series Materials for plain, slotted and self-locking by
20、 plastic ring hexagonal nuts4) ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts ISO 8788, Aerospace Nuts, metric Tolerances of form and position ISO 9139, Aerospace Nuts, plain or slotted (castellated) Procurement specification ISO 9609, Aerospace Nuts, hexagonal, plain,
21、reduced height, normal across flats, with MJ threads, classifications: 450 MPa (at ambient temperature) /120 C, 450 MPa (at ambient temperature) /235 C, 600 MPa (at ambient temperature) /425 C, 900 MPa (at ambient temperature) /235 C, 900 MPa (at ambient temperature) /315 C, 900 MPa (at ambient temp
22、erature) /650 C, 1 100 MPa (at ambient temperature) /235 C, 1 100 MPa (at ambient temperature) /730 C and 1 250 MPa (at ambient temperature)/600 C Dimensions 1) Corresponds to strength class of the associated bolt, the 100 % load of which it is able to withstand, when tested at ambient temperature,
23、without breaking or cracking. 2) Maximum temperature that the nut is able to whithstand, without permanent alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the surface treatment. 3) Published as ASD-STAN Prestandard at
24、 the date of publication of this standard. 4) Published as ASD-STAN Technical Report at the date of publication of this standard. BS EN 3228:2010EN 3228:2010 (E) 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are in conformity with
25、ISO 9609, expressed in millimetres and apply after surface treatment. 3.2 Materials EN 2205, EN 2438, EN 2448, EN 3513 or TR 3823. 3.3 Surface treatment EN 2133, 5 m minimum on threads and all surfaces which can be contacted by a 20 mm diameter ball. On all other surfaces, a continuous cadmium plati
26、ng shall be present. BS EN 3228:2010EN 3228:2010 (E) 6 These values in micrometres apply before surface treatment. The values do not apply to threads the surface texture of which will be achieved by usual manufacturingmethods. Break sharp edges 0,1 to 0,4. Details of form not stated are at the manuf
27、acturers option. Key 1 Thread 2 Marking 3 Two holes U optional aFrom either face bDiameter M may be tangential to, but shall not intrude on the flats. cApplicable to both face dAll forms of entry (chamfer or radius) option within these limiting dimensions Tolerances of form and position shall be in
28、conformity with ISO 8788. Figure 1 6,3 1,6 b, cBS EN 3228:2010EN 3228:2010 (E) Table 1 Diameter code Thread a E F H L M N U V W Mass kg/1 000 pieces approx. min. h14 min. max. min. H13 0,2 min. 040 MJ40,7-4H6H 7,6 7 h12 2,6 4,2 + 0,60 6,4 0,5 0,2 b bb0,65 050 MJ50,8-4H6H 8,7 8 3 5,2 7,4 0,9 060 MJ61
29、-4H5H 10,9 10 h13 3,5 6,3 + 0,80 9,3 1 3,9 1,4 1,6 070 MJ71-4H5H 12 11 4 7,3 10,2 4,4 1,6 2,1 080 MJ81-4H5H 14,3 13 8,3 12,2 5 3,1 100 MJ101,25-4H5H 18,9 17 5 10,3 16 0,6 0,3 1,5 6,9 2,1 6,9 120 MJ121,25-4H5H 21,1 19 6 12,3 18 8 2,6 9,7 140 MJ141,5-4H5H 24,5 22 7 14,4 21 9,6 3,1 15 160 MJ161,5-4H5H
30、26,8 24 8 16,4 23 10,7 3,6 19,4 180 MJ181,5-4H5H 30,2 27 9 18,4 26 12 4,1 27 200 MJ201,5-4H5H 33,6 30 10 20,4 29 13,4 4,6 37 220 MJ221,5-4H5H 35,8 32 11 22,4 30,9 14,4 5 49 240 MJ242-4H5H 40,4 36 12 24,5 34,9 16,1 5,5 65 aIn accordance with ISO 5855-2. bLockwire holes not provided for these diameter
31、s. 4 Designation EXAMPLE Description block NUT Identity block EN3228H060 Number of this standard Holes code (see Table 2) Diameter code (see Table 1) NOTE If necessary the originator code I9005 shall be placed between the description block and the identity block. Table 2 Option Code Lockwire holes H
32、 No hole (hyphen) BS EN 3228:2010EN 3228:2010 (E) 8 5 Marking See Table 3. Table 3 Diameter code EN 2424 Style 040 to 070 N 080 to 160 C 180 to 240 A 6 Technical specification ISO 9139, except for approval of manufacturers: see EN 9100. BS EN 3228:2010This page has been intentionally left blankBS EN
33、3228:2010BSI 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 preparing BritishStandards. It presents the UK view on standards in Europe and at theinternational lev
34、el. It is incorporated by Royal Charter.RevisionsBritish Standards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments oreditions.It is the constant aim of BSI to improve the quality of our products and services.We would be gratefu
35、l if anyone finding an inaccuracy or ambiguity while usingthis British Standard would inform the Secretary of the technical committeeresponsible, the identity of which can be found on the inside front cover. Tel:+44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400.BSI offers members an individual updating
36、service called PLUS which ensuresthat subscribers automatically receive the latest editions of standards.Buying standardsOrders for all BSI, international and foreign standards publications should beaddressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 89967001 Email: You may als
37、o buy directly using a debit/creditcard from the BSI Shop on the Website http:/ response to orders for international standards, it is BSI policy to supply theBSI implementation of those that have been published as British Standards,unless otherwise requested.Information on standardsBSI provides a wi
38、de range of information on national, European andinternational standards through its Library and its Technical Help to ExportersService. Various BSI electronic information services are also available whichgive details on all its products and services. Contact Information Centre. Tel:+44 (0)20 8996 7
39、111 Fax: +44 (0)20 8996 7048 Email: Subscribing members of BSI are kept up to date with standards developmentsand receive substantial discounts on the purchase price of standards. For detailsof these and other benefits contact Membership Administration. Tel: +44 (0)208996 7002 Fax: +44 (0)20 8996 70
40、01 Email: Information regarding online access to British Standards via British StandardsOnline can be found at http:/ information about BSI is available on the BSI website at http:/.CopyrightCopyright subsists in all BSI publications. BSI also holds the copyright, in theUK, of the publications of th
41、e international standardization bodies. Except aspermitted under the Copyright, Designs and Patents Act 1988 no extract maybe reproduced, stored in a retrieval system or transmitted in any form or by anymeans electronic, photocopying, recording or otherwise without prior writtenpermission from BSI.T
42、his does not preclude the free use, in the course of implementing the standard,of necessary details such as symbols, and size, type or grade designations. Ifthese details are to be used for any other purpose than implementation then theprior written permission of BSI must be obtained.Details and advice can be obtained from the Copyright and Licensing Manager.Tel: +44 (0)20 8996 7070 Email:
