BS EN 4075-2008 Aerospace series - Screws pan head offset cruciform recess threaded to head in corrosion resisting steel passivated - Classification 490 MPa (at ambient temperature.pdf

1、Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/11/2008 03:06, Uncontrolled Copy, (c) BSIg49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58t

2、hreaded to head, in corrosion resisting steel, passivated Classification: 490 MPa (at ambient temperature) / 425 CICS 49.030.20Aerospace series Screws, pan head, offset cruciform recess, BRITISH STANDARDBS EN 4075:2008BS EN 4075:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/11/2008 0

3、3:06, Uncontrolled Copy, (c) BSIThis British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 August 2008 BSI 2008ISBN 978 0 580 57075 9Amendments/corrigenda issued since publicationDate CommentsCompliance with a British Standard cannot confer immunity

4、from legal obligations.National forewordThis British Standard is the UK implementation of EN 4075:2008. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained

5、 on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4075 March 2008 ICS 49.030.20 English Version Aerospace series - Screws, pan he

6、ad, offset cruciform recess, threaded to head, in corrosion resisting steel, passivated - Classification: 490 MPa (at ambient temperature) / 425 C Srie arospatiale - Vis tte cylindrique, empreinte cruciforme dporte, filetes jusqu proximit de la tte, en acier rsistant la corrosion, passives - Classif

7、ication : 490 MPa ( temprature ambiante) / 425 C Luft- und Raumfahrt - Flachkopfschrauben, mit Flgelkreuzschlitz, Gewinde annhernd bis Kopf, aus korrosionsbestndigem Stahl, verkadmet - Klasse: 490 MPa (bei Raumtemperatur) / 425 C This European Standard was approved by CEN on 26 August 2006. CEN memb

8、ers 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 on applicati

9、on 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 Centre has t

10、he same status as 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, Portu

11、gal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any mean

12、s reserved worldwide for CEN national Members. Ref. No. EN 4075:2008: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/11/2008 03:06, Uncontrolled Copy, (c) BSI2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteristics.5 3.1 Configuration - Dimensions - Masses

13、.5 3.2 Tolerances of form and position5 3.3 Materials .5 3.4 Surface treatment 5 4 Designation 6 5 Marking .7 6 Technical specification .7 6.1 General7 6.2 Approval of manufacturers.7 6.3 Other modified requirements .7 6.4 Requirements deleted .7 BS EN 4075:2008Licensed Copy: Wang Bin, ISO/EXCHANGE

14、CHINA STANDARDS, 18/11/2008 03:06, Uncontrolled Copy, (c) BSI3 Foreword This document (EN 4075:2008) 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, t

15、his 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 given the status of a national standard, either by publication of an identical text or by endorsement, at th

16、e latest by September 2008, and conflicting national standards shall be withdrawn at the latest by September 2008. 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 an

17、y 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, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hunga

18、ry, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 4075:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/11/2008 03:06, Uncontrolled Copy, (c) BSI

19、4 1 Scope This standard specifies the characteristics of screws, pan head, offset cruciform recess, threaded to head, in corrosion resisting steel, passivated, metric. Classification: 490 MPa 1) / 425 C 2)2 Normative references The following referenced documents are indispensable for the application

20、 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. ISO 3202, Aerospace Screws, pan head, internal offset cruciform ribbed or unribbed drive, threaded to head, MJ threads, m

21、etallic 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 screws, metric

22、 Tolerances of form and position. ISO 7994 3), Aerospace Internal drive, offset cruciform recess (Torq-Set ) for rotary fastening devices Metric series. ISO 8168, Aerospace Corrosion- and heat-resisting steel bolts with strength classification 1 100 MPa and MJ threads Procurement specification. ISO

23、14275, Aerospace Drives, internal, offset cruciform, ribbed Metric series. ISO 14277, Aerospace Drivers, ribbed, for internal offset cruciform ribbed or unribbed drives Metric series. ISO 14278, Aerospace Gauges, for internal offset cruciform ribbed or unribbed drives Metric series. EN 2424, Aerospa

24、ce series Marking of aerospace products. EN 2516, Aerospace series Passivation of corrosion resisting steels and decontamination of nickel base alloys. EN 9100, Aerospace series Quality management systems Requirements (based on ISO 9001:2000) and Quality systems Model for quality assurance in design

25、, development, production, installation and servicing (based on ISO 9001:1994). TR 3775, Aerospace series Bolts and pins Materials. 4)1) Minimum tensile strength of the material at ambient temperature. 2) Maximum temperature that the screw can withstand without continuous change in its original char

26、acteristics, after return to ambient temperature. The maximum temperature is determined by the surface treatment. 3) Withdrawal, see ISO 14275, ISO 14277 and EN 14278. 4) Published as ASD Technical Report at the date of publication of this standard. BS EN 4075:2008Licensed Copy: Wang Bin, ISO/EXCHAN

27、GE CHINA STANDARDS, 18/11/2008 03:06, Uncontrolled Copy, (c) BSI5 3 Required characteristics 3.1 Configuration - Dimensions - Masses See Figure 1 and Table 1. Dimensions and tolerances are: in conformity with ISO 3202, expressed in millimetres and apply after surface treatment. 3.2 Tolerances of for

28、m and position ISO 7913 3.3 Materials TR 3775 (corrosion resisting steel, classification 490 MPa) 3.4 Surface treatment EN 2516 Values in micrometres apply prior to surface treatment. Break sharp edges 0,1 to 0,4 Key 1 Conforms to ISO 3353-1 3 Drive: see Clause 4 2 Marking 4 Thread aShape optional F

29、igure 1 3,2 0,8 BS EN 4075:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/11/2008 03:06, Uncontrolled Copy, (c) BSI6 Table 1 Thread aD1D2D3E L 0,3 b, cR S Mass dDiameter code 0 0,3 min. nom. Tol. nom. Tol. Length code nom. nom. Tol. max. min. e f 030 MJ3x0,5-4h6h 6 4,7 2,3 1,8 004 to

30、042 4 to 42 1,2 0,3 0,5 0,11 040 MJ4x0,7-4h6h 8 6,7 3 0 0,5 2,4 006 to 056 6 to 56 0,4 1,6 0,4 1,3 0,20 050 MJ5x0,8-4h6h 10 8,7 3,4 3 0 0,2008 to 070 8 to 70 0,5 2 0,5 2,8 0,31 060 MJ6x1-4h6h 12 10,7 4,2 3,6 010 to 084 10 to 84 2,4 0,6 5,0 0,44 070 MJ7x1-4h6h 14 12,7 5,2 4,2 010 to 098 10 to 98 2,8

31、0,7 7,5 0,60 080 MJ8x1-4h6h 16 14,7 6,2 4,8 010 to 112 10 to 1120,7 3,2 0,8 10,7 0,78 100 MJ10x1,25-4h6h 20 18,7 7,9 6 014 to 140 14 to 140 0,8 0 0,2 4 1 22,3 1,22 120 MJ12x1,25-4h6h 24 22,7 9,8 0,5 7,2 0 0,3016 to 168 16 to 168 0,9 0 0,3 4,8 1,2 38,0 1,76 aIn accordance with ISO 5855-2. bIncrements

32、: 2 for L 100 4 for L 100 cIf greater lengths are required, they shall be chosen using the above increment. The length code corresponds to length L, completed by one or two zeros to the left, where necessary, to obtain a three digit code. dApproximate values (kg/1 000 pieces), calculated on the basi

33、s of 7,85 kg/dm3, given for information purposes only. eValue for head and first L. fIncrease for each additional 2 mm of L. 4 Designation EXAMPLE Description block SCREW Identity block EN4075-050040A Number of this standard Diameter code (see Table 1) Length code (see Table 1) Drive code (see Table

34、 2) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. Table 2 Drive Code ISO 7994 None ISO 7994 unribbed A BS EN 4075:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/11/2008 03:06, Uncontrolled Copy, (c) BSI7 5 Marking See Table 3 a

35、nd Figure 1. Table 3 Diameter code EN 2424 Style 030 and 040 N 050 to 120 B 6 Technical specification 6.1 General ISO 8168, with the following modifications. 6.2 Approval of manufacturers EN 9100 6.3 Other modified requirements Inspection for discontinuities shall be carried out during the microstru

36、cture inspection; Classification of defects: replace AQL 0,065 % by 1 %. 6.4 Requirements deleted Qualification of screws; Tensile strength; Double shear strength; Tension fatigue strength. BS EN 4075:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/11/2008 03:06, Uncontrolled Copy, (c)

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