1、BSI Standards PublicationBS EN 4128:2016Aerospace series Bolts,normal hexagonal head, coarsetolerance shank, short thread,in heat resisting nickel basealloy, aluminium IVD coated Classfication: 1 250 MPa (atambient temperature) / 425 CBS EN 4128:2016 BRITISH STANDARDNational forewordThis British Sta
2、ndard is the UK implementation of EN 4128:2016.It supersedes BS EN 4128:2009 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems.A list of organizations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 beobtained on reques
3、t to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 90780 7ICS 49.030.20Compliance with a British Stan
4、dard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 March 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 4128:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISC
5、HE NORM EN 4128 March 2016 ICS 49.030.20 Supersedes EN 4128:2009English Version Aerospace series - Bolts, normal hexagonal head, coarse tolerance shank, short thread, in heat resisting nickel base alloy, aluminium IVD coated - Classification: 1 250 MPa (at ambient temperature) / 425 C Srie arospatia
6、le - Vis tte hexagonale normale, ft tolrance large, filetage court, en alliage rsistant chaud base de nickel, revtues aluminium IVF - Classification: 1 250 MPa ( temprature ambiante) / 425 C Luft- und Raumfahrt - Sechskantschrauben, kurzes Gewinde, aus hochwarmfester Nickelbasislegierung, Aluminium
7、IVD beschichtet - Klasse: 1 250 MPa (bei Raumtemperatur) / 425 C This European Standard was approved by CEN on 27 September 2015. 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 standa
8、rd without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any
9、 other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Repub
10、lic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN
11、COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4128:2016 EBS EN 4128
12、:2016EN 4128:2016 (E) 2 Contents Page European Foreword 3 1 Scope 4 2 Normative references 4 3 Required characteristics 5 4 Designation 8 5 Marking . 8 6 Technical specification 8 Annex A (informative) Standard evolution form . 10 BS EN 4128:2016EN 4128:2016 (E) 3 European Foreword This document (EN
13、 4128:2016) 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
14、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 September 2016, and conflicting national standards shall be withdrawn at the
15、latest by September 2016. 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. This document supersedes EN 4128:2009. According to the CEN-
16、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, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary
17、, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4128:2016EN 4128:2016 (E) 4 1 Scope This European Standard specifies the characteristics of bolts, nor
18、mal hexagonal head, coarse tolerance shank, short thread, in heat resisting nickel base alloy, aluminium IVD coated. Classification: 1 250 MPa1) / 425 C2). 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its a
19、pplication. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2424, Aerospace series Marking of aerospace products EN 6118, Aerospace series Process specification Aluminium base protectio
20、n for fasteners EN 9100, Quality Management Systems Requirements for Aviation, Space and Defense Organizations EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts ISO 3193, Aerospace Bolts, normal hexagonal head, normal shank, short or medium len
21、gth MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa Dimensions ISO 3353-1, Aerospace Lead and runout threads Part 1: Rolled external threads ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts ISO 7913, Aerospace Bolts and
22、screws, metric Tolerances of form and position ISO 9154, Aerospace Bolts, with MJ threads, made of heat-resistant nickel-based alloy, strength class 1 550 MPa Procurement specification TR 3775, Aerospace series Bolts and pins Materials MIL-DTL-83488, Coating, aluminium, high purity 1)Minimum tensile
23、 strength of the material at ambient temperature. 2)Maximum temperature that the bolt can withstand without continuous change in its original characteristics, after return to ambient temperature. The maximum temperature is determined by the surface treatment. BS EN 4128:2016EN 4128:2016 (E) 5 3 Requ
24、ired characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are: in conformity with ISO 3193, expressed in millimetres and apply after surface treatment. Details of form not stated are left to the manufacturers discretion. 3.2 Tolerances of form and p
25、osition ISO 7913. 3.3 Materials TR 3775: heat resisting nickel base alloy, strength class 1 250 MPa BS EN 4128:2016EN 4128:2016 (E) 6 3.4 Surface treatment MIL-DTL-83488, type II, class 3, thickness 4 m to 12 m, or EN 6118. After aluminium deposit: mechanical blasting, followed by a chromate convers
26、ion coating within 24 h max.3); optional lubrication with cethylic alcohol (code E). Values in micrometres apply prior to surface treatment. Break sharp edges 0,1 to 0,4. Key 1 Two holes D6 (optional, see Table 2) 2 Continuous surface 3 One hole D7 (optional, see Table 2)4 Thread 5 Marking 6 Conform
27、s to ISO 3353-1 Figure 1 3) Products used shall be in conformity with national regulation into force. BS EN 4128:2016EN 4128:2016 (E) 7 Table 1 Diameter code Thread aD1D2D3D4bD5D6D7E F G H h12 min. 0 0,5 min. nom. Tol. H13 H13 min. max. min. 0 0,3 030 MJ30,5 - 4h6h 3 5,5 5,4 2,3 0 0,5 6,5 0,4 0,2 2,
28、0 040 MJ40,7 - 4h6h 4 6,4 6,4 3,0 1,1 7,6 0,5 2,5 050 MJ50,8 - 4h6h 5 7,4 5,25 7,4 3,4 0,5 1,0 1,5 8,7 3,0 1,35 060 MJ61 - 4h6h 6 9,4 6,25 9,3 4,2 1,4 10,9 3,5 1,60 070 MJ71 - 4h6h 7 10,3 7,25 10,2 5,2 1,9 12,0 4,0 1,85 080 MJ81 - 4h6h 8 12,3 8,25 12,2 6,2 14,3 4,5 2,10 100 MJ101,25 - 4h6h 10 16,3 1
29、0,25 16,0 7,9 1,6 2,4 18,9 0,6 0,3 5,0 2,35 120 MJ121,25 - 4h6h 12 18,3 12,25 18,0 9,8 21,1 6,0 2,85 140 MJ141,5 - 4h6h 14 21,3 14,25 21,0 11,5 3,0 24,5 7,0 3,35 160 MJ161,5 - 4h6h 16 23,3 16,25 23,0 13,5 26,8 8,0 3,85 180 MJ181,5 - 4h6h 18 26,3 18,25 26,0 15,5 3,8 30,2 9,0 4,35 200 MJ201,5 - 4h6h 2
30、0 29,3 20,25 29,0 17,5 33,6 10,0 4,85 Diameter code J K L1 0,2 c, dL2L3N R Mass enom. Tol. Code nom. 0 0,3 max. min. f g 030 6 h12 002 to 030 2 to 30 6,0 0,4 0,2 0,896 0,057 040 7 002 to 040 2 to 40 7,5 5,0 1,711 0,101 050 8 3,25 003 to 050 3 to 50 9,0 6,0 2,0 0,5 0,3 3,000 0,158 060 10 h13 4,10 003
31、 to 060 3 to 60 10,0 7,0 2,3 0,7 0,5 5,607 0,228 070 11 4,50 004 to 070 4 to 70 11,0 2,7 7,679 0,311 080 13 5,35 004 to 080 4 to 80 11,5 7,5 3,0 11,565 0,407 100 17 7,10 005 to 100 5 to 100 14,5 9,0 3,4 0,8 0,6 22,451 0,635 120 19 7,90 006 to 120 6 to 120 16,0 10,0 4,0 0,9 35,892 0,915 140 22 9,20 0
32、07 to 140 7 to 140 19,0 12,0 4,7 1,1 0,8 55,262 1,245 160 24 10,05 008 to 160 8 to 160 20,5 12,5 5,4 80,815 1,628 180 27 11,30 009 to 180 9 to 180 22,5 14,5 6,0 1,3 1,0 113,885 2,059 200 30 12,60 010 to 200 10 to 200 24,5 15,0 6,7 155,797 2,541 BS EN 4128:2016EN 4128:2016 (E) 8 aIn accordance with I
33、SO 5855-2. bD4 max. shall be less than J. cIncrements: 1 for L1 30; 2 for 30 100. dIf greater lengths are required, they shall be chosen using the above increments. The length code corresponds to the length L1, completed by one or two zeros to the left, where necessary, to obtain a three digit code.
34、 eApproximate values (kg/1 000 pieces), calculated on the basis of 8,195 kg/dm3, for information purposes only. They apply to bolts without holes. f Value for head and first L4. g Increase for each additional millimetre of L4. 4 Designation EXAMPLE Description block BOLT Identity block EN4128 H 050
35、040 E Number of this standard Hole code (see Table 2) Diameter code (see Table 1) Length code (see Table 1) Lubrication code (see 3.4) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. BS EN 4128:2016EN 4128:2016 (E) 9 Table 2 Holes Code Lockwire
36、 H Split pin D Lockwire and split pin C No hole (hyphen) 5 Marking See Table 3 and Figure 1, indented. Table 3 Diameter code EN 2424 Style 030 and 040 N 050 to 200 C + MJ 6 Technical specification 6.1 General ISO 9154, with the following modifications. 6.2 Approval of manufacturers EN 9100. 6.3 Qual
37、ification of bolts EN 9133. 6.4 Other modified requirement Minimum tensile strength test load and double shear test loads and tension fatigue test: apply the coefficient 0,806. BS EN 4128:2016EN 4128:2016 (E) 10 Annex A (informative) Standard evolution form MODIFICATION REASON AND VALIDATION Replace
38、 6.4 “Minimum tensile strength test loads: apply the coefficient 0,806.” By “Minimum tensile strength test load and double shear test loads and tension fatigue test: apply the coefficient 0,806.” The coefficient 0,806 is the ratio of UTS 1250/1550 and should be used for double shear and tension fati
39、gue test too. The symbols inside and above of the drawing for roughness are not valid anymore. Add Ra max for each value Modify symbols according to ISO 1302. Replace MIL-C-83488C By MIL-DTL-83488 or EN 6118 Reference to EN 6118 is added as an alternative. The issue letter of MIL-DTL-83488 is remove
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