1、BS EN 3226:2009ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDNuts, hexagon, plain,normal height, normalacross flats, steel,cadmium plated Classification 1 100MPa/235 CThis British Standardwas published under theauthority of the StandardsPolicy and
2、 StrategyCommittee on 31 March2010 BSI 2010ISBN 978 0 580 68929 1Amendments/corrigenda issued since publicationDate CommentsBS EN 3226:2009National forewordThis British Standard is the UK implementation of EN 3226:2009.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/1
3、2, 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 correct application.Compliance with a Br
4、itish Standard cannot confer immunityfrom legal obligations.BS EN 3226:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3226 August 2009 ICS 49.030.30 English Version Nuts, hexagon, plain, normal height, normal across flats, steel, cadmium plated - Classification 1 100 MPa/235 C Ecrous hexag
5、onaux, ordinaires, hauteur normale, surplat normal, en acier, cadmis - Classification 1 100 MPA/235 C Luft- und Raumfahrt - Sechskantmuttern mit normaler Schlsselweite, aus Stahl, verkadmet; Klasse: 1 100 MPa/235 C This European Standard was approved by CEN on 27 June 2009. CEN members are bound to
6、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 on application to the CEN Man
7、agement 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 Centre has the same status as
8、 the official versions. CEN members are the national standards bodies 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, Slo
9、vakia, 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 2009 CEN All rights of exploitation in any form and by any means reserved worldwid
10、e for CEN national Members. Ref. No. EN 3226:2009: EBS EN 3226:2009EN 3226:2009 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Configuration Dimensions Masses 5 4 Designation 6 5 Marking .7 6 Technical specification .7 BS EN 3226:2009EN 3226:2009 (E) 3 Foreword This document (EN
11、 3226:2009) has been prepared by the Aerospace and Defence Industries Association 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 Serv
12、ices 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 identical text or by endorsement, at the latest by February 2010, and conflicting national standards shall be withdrawn at the l
13、atest by February 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 be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the nationa
14、l standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Pol
15、and, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 3226:2009EN 3226:2009 (E) 4 1 Scope This standard specifies the characteristics of plain, hexagonal nuts, normal height, normal across flats, in steel, cadmium plated. Classification: 1 100 MPa 1) /
16、235 C 2)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. EN 2133, Aerospace
17、 series Cadmium plating of steels with specified tensile strength 1 450 MPa, copper, copper alloys and nickel alloys. EN 2205, Steel FE-PL43S 900 MPa Rm 1 100 MPa Bars De 40 mm Aerospace series. 3) EN 2424, Aerospace series Marking of aerospace products. EN 2438, Aerospace series Steel FE-PL2102 (35
18、NiCr6) 900 MPa Rm 1 100 MPa Bars De 40 mm. EN 2448, Aerospace series Steel FE-PL1503 (35CrMo4) 900 MPa 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 mm. 4) EN 9100, Aerospace series Quality management systems Requiremen
19、ts (based on ISO 9001:2000) and Quality systems Model for quality assurance in design, development, production, installation and servicing (based on ISO 9001:1994). TR 3823, Aerospace series Materials for plain, slotted and self-locking by plastic ring hexagonal nuts. 5) ISO 5855-2, Aerospace MJ thr
20、eads Part 2: Limit 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 am
21、bient temperature)/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 for
22、m and position 1) Corresponds to strength class of the associated bolt, the 100 per cent load of which it is able to withstand, when tested at ambient temperature, without breaking or cracking. 2) Maximum temperature that the nut can withstand without continuous change in its original characteristic
23、s, after return to ambient temperature. The maximum temperature is determined by the surface treatment. 3) Published as ASD Prestandard at the date of publication of this standard. 4) Published as ASD Standard at the date of publication of this standard. 5) Published as ASD Technical Report at the d
24、ate of publication of this standard. BS EN 3226:2009EN 3226:2009 (E) 5 ISO 9139, Aerospace Nuts, plain or slotted (castellated) Procurement specification 3 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are: in conformity with ISO 8279, expressed in millimetres a
25、nd apply after surface treatment. 3.1 Materials EN 2205, EN 2438, EN 2448, EN 3513 or TR 3823 3.2 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 plating shall be present. These values in
26、micrometres apply before surface treatment. They do not apply tothreads and sheared edges the surface texture of which will be as achieved by usual manufacturing methods. Break sharp edges 0,1 to 0,4. Details of form not stated are at the manufacturers option. Tolerances of form and position shall b
27、e in conformity with ISO 8788. Key 1 Thread 2 Marking 3 2 holes U optional aFrom either face bDiameter M may be tangential to, but shall not intrude on the flats. cApplicable to both faces dAll forms of entry (chamfer or radius) optional within these limiting dimensions Figure 1 6,3 1,6 BS EN 3226:2
28、009EN 3226:2009 (E) 6 Table 1 Diameter code Thread aE F H L M N U V W Mass kg/1 000piecesapprox. min. Nom. Tol. h14 Nom. Tol. min. max. min. H13 0,2 min. 020 MJ20,4-4H6H 4,2 4 h12 1,6 2,2 + 0,60 3,4 0,4 0,2 bbb0,15 025 MJ2,50,45-4H6H 5,3 5 2 2,7 4,4 0,3 030 MJ30,5-4H6H 6,5 6 2,4 3,2 5,4 0,5 040 MJ40
29、,7-4H6H 7,6 7 3,2 4,2 6,4 0,5 0,85 050 MJ50,8-4H6H 8,7 8 4 5,2 7,4 1,3 060 MJ61-4H5H 10,9 10 h13 4,8 6,3 + 0,80 9,3 1 3,9 2 2,4 070 MJ71-4H5H 12 11 5,6 7,3 10,2 4,4 2,4 3,2 080 MJ81-4H5H 14,3 13 6,4 8,3 12,2 5 2,8 5,2 100 MJ101,25-4H5H 18,9 17 8 10,3 16 0,6 0,3 1,5 6,9 3,6 11,5 120 MJ121,25-4H5H 21,
30、1 19 9,6 12,3 18 8 4,4 16,1 140 MJ141,5-4H5H 24,5 22 11,2 14,4 21 9,6 5,1 25 160 MJ161,5-4H5H 26,8 24 12,8 16,4 23 10,7 5,9 33 180 MJ181,5-4H5H 30,2 27 14,4 18,4 26 12 6,7 46 200 MJ20x1,5-4H5H 33,6 30 16 20,4 29 13,4 7,5 62 220 MJ221,5-4H5H 35,8 32 17,6 22,4 30,9 14,4 8,3 75 240 MJ242-4H5H 40,4 36 1
31、9,2 24,5 34,9 16,1 9,1 108 aIn accordance with ISO 5855-2. b Lockwire holes not provided for these diameters. 4 Designation EXAMPLE Description block NUT Identity block EN3226H060 Number of this standard Hole code (see Table 2) Diameter code (see Table 1) NOTE If necessary the originator code I9005
32、shall be placed between the description block and the identity block. Table 2 Option Code Lockwire holes H No hole (hyphen) BS EN 3226:2009EN 3226:2009 (E) 7 5 Marking See Table 3. Table 3 Diameter code EN 2424 Style 020 to 030 F 040 to 070 N 080 to 160 C 180 to 240 A 6 Technical specification ISO 9
33、139 except for approval of manufacturers: see EN 9100. BS EN3226:2009BSI 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 th
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