EN 3228-2010 en Aerospace series - Nuts hexagonal plain reduced height normal across flats in steel cadmium plated - Classification 900 MPa (at ambient temperature) 235 Degrees C《.pdf

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

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