EN 3016-2008 en Aerospace series - Washers countersunk load spreading - Heat resisting steel《航空航天系列 载荷分布沉头垫圈 耐热钢》.pdf

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1、BRITISH STANDARDBS EN 3016:2008Aerospace series Washers countersunk, load spreading Heat resisting steelICS 49.030.50g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42

2、g43g55g3g47g36g58BS EN 3016:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2008 BSI 2008ISBN 978 0 580 63567 0National forewordThis British Standard is the UK implementation of EN 3016:2008. The UK participation in its preparatio

3、n was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible fo

4、r its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3016May 2008ICS 49.030.50English VersionAerospace series - Washers countersunk, load

5、 spreading - Heatresisting steelSrie arospatiale - Rondelles fraises de rpartition - Acierrsistant chaudLuft- und Raumfahrt - Scheiben, angesenkt,druckverteilend - Hochwarmfester StahlThis European Standard was approved by CEN on 12 December 2007.CEN members are bound to comply with the CEN/CENELEC

6、Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN m

7、ember.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN member

8、s 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, Slovakia, Slovenia, Spain, Sweden, Swit

9、zerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN

10、3016:2008: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteristics.4 3.1 Configuration, dimensions, tolerances, masses4 3.2 Materials .4 3.3 Surface roughness 4 3.4 Surface treatment 4 4 Designation 6 5 Marking .6 Figures Figure 1 Configuration 5 Tables Table 1 Dimen

11、sions and masses. 5 BS EN 3016:20083 Foreword This document (EN 3016:2008) 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, this Standard has received

12、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 the latest by November 2008,

13、 and conflicting national standards shall be withdrawn at the latest by November 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 any or all such patent rights.

14、 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, Hungary, Iceland, Ireland, Italy,

15、 Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 3016:20084 1 Scope This standard specifies the characteristics of heat resisting steel, countersunk, load spreading washers for use in a

16、erospace applications at temperatures not exceeding 650 C. They are intended primarily for use under the head of bolts with strength classification up to 1 250 MPa. They are used to provide sufficient bearing area to prevent indentation of parent metals with low compressive strength at operating tem

17、peratures, thus ensuring no relaxation in the bolt load occurs. 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 documen

18、t (including any amendments) applies. EN 2171, Aerospace series Heat resisting steel FE-PA 92 HT, Rm 900 MPa, bars EN 2175, Aerospace series Heat resisting alloy FE-PA2602 (X4NiCrTiMoV26-15), solution treated and precipitation treated Sheet, strip and plate 0,5 mm a 10 mm, Rm 850 MPa1)EN 2424, Aeros

19、pace series Marking of aerospace products1)EN 2516, Aerospace series Passivation of corrosion resisting steel and decontamination of nickel base alloys ISO 4759-3, Tolerances for fasteners Part 3: Plain washers for bolts, screws and nuts Product grades A and C 3 Required characteristics 3.1 Configur

20、ation, dimensions, tolerances, masses The configuration shall be in accordance with Figure 1; the dimensions, tolerances and masses shall conform to the values shown in Figure 1 and in Table 1 after passivation except for surface roughness. For washers produced from sheet or strip material according

21、 to EN 2175 the requirement of ISO 4759-3 may be applied for roll over and fracture tolerances. 3.2 Materials Steel EN 2171 or EN 2175. 3.3 Surface roughness See Figure 1. The values apply before passivation. 3.4 Surface treatment Passivation EN 2516. 1) Published as AECMA prestandard at the date of

22、 publication of this standard. BS EN 3016:20085 Dimensions in millimetres Break sharp edges 0,1 mm to 0,2 mm aboth sides Figure 1 Configuration Table 1 Dimensions and masses d1 d2 d3s a Bolt thread size mm mm mm mm Diameter code mm H13 nom. tol. nom. tol. + 0,10 Mass b1 000 pieces kg 030 3 0,50 3,10

23、 7,40 3,85 0,27 040 4 0,70 4,10 9,40 4,85 1,00 0,43 050 5 0,80 5,10 12,20 6,00 1,49 060 6 1,00 6,10 14,80 0,20 7,40 2,18 070 7 1,00 7,10 16,90 8,40 2,83 080 8 1,00 8,10 19,40 9,40 0,1 2,00 3,76 100 10 1,25 10,10 23,50 11,60 6,81 120 12 1,25 12,10 28,10 13,80 9,72 140 14 1,50 14,10 31,30 0,30 16,15 0

24、,15 2,50 11,71 aFlatness variations are included in thickness tolerances. bMass calculated on the basis of 7,85 kg/dm3. BS EN 3016:20086 4 Designation Each washer shall only be designated as in the following example: Description block Identity block Washer, countersunk, load spreading EN 3016 070 Nu

25、mber of EN standard Diameter code (see Table 1) If necessary the originator code I9005 shall be placed between the description block and the identify block. 5 Marking EN 2424, Style G (Packaging). In addition, the quantity shall be declared (number). BS EN 3016:2008blankBS EN 3016:2008BSI Group Head

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