1、BRITISH STANDARD AEROSPACE SERIES Circular tubes, for fluids in titanium and titanium alloys Wide tolerances Diameter 4mmsDs4Omm Dimensions The European Standard EN 4180:2001 has the status of a British Standard ICs 49.025.30; 49.080 BS EN 41 80:2002 Wk present to the responsible European committee
2、any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. - A list of organizations represented on this committee can be obtained on request to its secretary. Cr oss-r e fer
3、 enc e s The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Ca
4、talogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document c
5、omprises a front cover, an inside front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. O BSI 11 January 2002 ISBN O 580 38842 5 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE
6、NORM EN 4180 December 2001 ICs 49.080 English version Aerospace series - Circular tubes, for fluids in titanium and titanium alloys - Wide tolerances - Diameter 4 mm I D I 40 mm - Dimensions Srie arospatiale - Tubes circulaires, pour canalisations en titane et alliages de titane -Tolrances larges -
7、Diamtres 4 mm s D s 40 mm - Dimensions Luft- und Raumfahrt - Runde Leitungsrohre aus Titan und Titanlegierungen - Weite Toleranzen - Durchmesser 4 mm D40mm-Mae This European Standard was approved by CEN on 2 May 2001 CEN members are bound to comply with the CENKENELEC Internal Regulations which stip
8、ulate 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 Management Centre or to any CEN member. This European Standard exi
9、sts 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 Management Centre has the same status as the official versions. CEN members are the national standards bodi
10、es of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION EUROPISCHES KOMITEE FR NORMUNG COMIT EUROPEN DE NORMALISATION M
11、anagement Centre: rue de Stassart, 36 B-1050 Brussels O 2001 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4180:2001 E EN 4180:2001 (E) Foreword This European Standard has been prepared by the European Association of Aerospace Ma
12、nufacturers (AECMA) . After inquiries 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 AECMA, prior to its presentation to CEN. This European Standard shal
13、l be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2002, and conflicting national standards shall be withdrawn at the latest by June 2002. According to the CENKENELEC Internal Regulations, the national standards organizat
14、ions of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. 2 EN 4180:2001 (E) O Intr
15、oduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is described in EN 4258. 1 Scope This standard specifies the dimensions and tolerances of: Circular tubes, for fluids in titanium and titanium alloys Wid
16、e tolerances Diameter 4 mm D 40 mm for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed herea
17、fter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. IS0 2964 Aerospace - Tubing - Outsid
18、e diameters and thicknesses - Metric dimensions EN 3848 Aerospace series - Semi-finished metallic products - Method of measuring form deviations EN 4258 Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use 3 Form See figu
19、re 1. Figure 1 3 EN 4180:2001 (E) Nominal D 4 Recommended dimensions and mass Linear mass a in kg/m for nominal a in mm: 4.1 Diameter, thickness and mass See table 1. Table 1 I 0,4 mm I 0,6 I 0,7 0,8 I 0,9 I 1 I 1,l 03 0,025 I 4 I 0,020 0,029 10,033* 0,036 I - I - I - I 6 I 0,032 0,039 0,046 10,052
20、0,059 I - I - I - I 8 I 0,043 0,053 0,063 10,072* 0,081 10,090 I 0,099 10,107* 0,104 0,116 0,127 0,138* 0,127 0,141 0,156 0,170* 0,067 0,081 0,149 0,167* 0,184 0,201* 0,172 0,192 0,212 0,232* 0,095 - 0,148 0,171* I 0,195 0,218 0,240 0,263* 0,217 0,243* 0,269 0,294 25 I- 0,274 10,307* I 0,339 10,372*
21、 continued Table 1 (concluded) Nominal ID Linear mass a in kg/m for nominal a in mm: I 0,223 I I 14 0,217 10,233* I 0,249 0,265 0,280 I 0,295* I I 16 0,251 10,270 I 0,289 0,307 0,326 I 0,344* 0,361 10,379* I - I I 18 0,285 10,307* I 0,329 0,350 0,371 I 0,392* 0,412 10,432* I 0,452 I 0,416 0,440* + 0
22、,529 0,560* 0,392 0,498 0,467 0,650 I 0688t028 0,869 0,920* 0,647 0,816 For information, calculated with a density of 43 kg/dm3 D/a combinations not referenced in IS0 2964 I 4 EN 4180:2001 (E) Diameter 4 D 18 18 D 30 30 D 40 4.2 Length The order shall specify if tubes are to be supplied in fixed or
23、in random lengths. In the event of a supply of random lengths the minimum and maximum values for the lengths shall be specified on the order. Tolerances f 0,06 f 0,08 f 0,lO 5 Tolerances Length 5.1 Dimensional tolerances 5.1 .I Diameter See table 2. Tolerances Table 2 5.1.2 Thickness See table 3. Ta
24、ble 3 Dimensions in millimetres Thickness Tolerances f 0,lO f 0,05 5.1.3 Length See table 4, only applicable to tubes supplied in fixed lengths. Table 4 Dimensions in millimetres I O I !IO00 5 EN 4180:2001 (E) 5.2 Geometric tolerances 5.2.1 Straightness 5.2.1.1 See EN 3848. Method of measurement and
25、 symbols 5.2.1.2 Tolerances See table 5. Table 5 Dimensions in millimetres I I Straightness deviation Y, per metre I Diameter I 4D40 I 3 I 5.2.2 Roundness 5.2.2.1 See EN 3848. Method of measurement and symbol 5.2.2.2 Tolerances Roundness deviation shall be contained within the outside diameter toler
26、ances. 5.2.3 Eccentricity 5.2.3.1 See EN 3848. Method of measurement and symbol 5.2.3.2 Tolerances Eccentricity shall be contained within the thickness tolerances. 6 BS EN 4180:2002 BSI 389 Chiswick High Road Lon don w4 4AL BSI is the independent national body responsible for preparing British Stand
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