BS EN 10024-1995 Hot rolled taper flange I sections - Tolerances on shape and dimensions《热轧斜度缘工字型钢 形状和尺寸公差》.pdf

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1、BRITISH STANDARD BS EN 10024:1995 Incorporating Amendment No. 1 Hot rolled taper flange I sections Tolerances on shape and dimensions The European Standard EN10024:1995 has the status of a British StandardBSEN 10024:1995 This British Standard, having been prepared under the directionof the Engineeri

2、ng SectorBoard, was published underthe authority of the Standards Board and comes intoeffecton 15 September 1995 BSI 06-1999 The following BSI references relate to the work on this standard: Committee reference ISE/13 Draft for comment 92/44026 DC ISBN 0 580 24601 9 Committees responsible for this B

3、ritish Standard The preparation of this British Standard was entrusted to Technical Committee ISE/13, Structural steel sections, upon which the following bodies were represented: British Constructional Steelwork Association Ltd. British Iron and Steel Producers Association Health and Safety Executiv

4、e Amendments issued since publication Amd. No. Date Comments 8995 December 1995 Indicated by a sideline in the marginBSEN10024:1995 BSI 06-1999 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN10024 3 List of references Inside back coverBSEN 10024:1

5、995 ii BSI 06-1999 National foreword This British Standard has been prepared by Technical Committee ISE/13 and is the English language version of EN 10024:1995, Hot rolled taper flange I sections Tolerances on shape and dimensions, published by the European Committee for Standardization (CEN). EN100

6、24 does not supersede any existing national standard. 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

7、obligations. Cross-reference Publication referred to Corresponding British Standard EN10079:1992 BS EN10079:1993 Definition of steel products Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN title page, pages 2 to 4, an inside back cover and a back

8、 cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on theinside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN10024 March 1995 ICS 77.140.70 Descriptors: Iron and steel products, hot ro

9、lled products, I beams, designation, definitions, dimensions, dimensional tolerances, form tolerances English version Hot rolled taper flange I sections Tolerances on shape and dimensions Poutrelles en I ailes inclines lamines chaud Tolrances de forme et de dimensions Warmgewalze I-Profile mit genei

10、gten inneren Flanschflchen; Grenzabmae und Formtoleranzen This European Standard was approved by CEN on 1995-02-06. 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 standard without any

11、 alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by

12、translation under the responsiblity of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxem

13、bourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1995 All rights of reproduction and communication in

14、any form and by any means reserved in all countries to CEN and its members Ref. No. EN10024:1995 EEN 10024:1995 BSI 06-1999 2 Foreword This European Standard has been prepared by ECISS/TC11, Structural steel sections, the secretariat of which is held by BSI. The discussion within ECISS/TC 11 were ba

15、sed on proposals by ECISS/TC11/WG3 and prEN10034. 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 September1995, and conflicting national standards shall be withdrawn at the latest by September199

16、5. According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom. Co

17、ntents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Definitions 3 4 Tolerances on dimensions and shape 3 5 Tolerance on mass 3 6 Tolerance on length 3 Table 1 Tolerances on hot-rolled taper flangeIsections 4EN 10024:1995 BSI 06-1999 3 1 Scope This European Standard specifies requirements for

18、 tolerances on dimensions, shape and mass of hot-rolled taper flange I sections. These requirements do not apply to taper flange I sections produced from stainless steel. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. Thes

19、e normative references are cited at the appropriate places in the text and the publications are listed hereafter. 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 undate

20、d references the latest edition of the publication referred to applies. EN10079, Definition of steel products. 3 Definitions For the purpose of this European Standard the definitions given in EN10079 apply. 4 Tolerances on dimensions and shape 4.1 height (h) The deviation from nominal on height (h)

21、shall be within the tolerance given in Table 1. 4.2 flange width (b) The deviation from nominal on flange width (b) shall be within the tolerance given in Table 1. 4.3 web thickness (s) The deviation from nominal on web thickness, when measured at the mid-width position of the web, shall be within t

22、he tolerance given in Table 1. 4.4 flange thickness (t) The deviation from nominal on flange thickness, when measured at a distance of b/4 from the mid-width position of the flange, shall be within the tolerance given in Table 1. 4.5 out of square (k + k) The out of squareness of the section shall n

23、ot exceed the maximum given in Table 1. 4.6 web off centre (e) The mid-thickness of the web shall not deviate from the mid-width position on the flange by more than the distance (e) given in Table 1. 4.7 straightness (qxx or qyy) The straightness shall comply with the requirements given in Table 1.

24、5 tolerance on mass The mass of a batch or piece shall be within 4.0% of the calculated mass (seeTable 1). The mass deviation is the difference between the actual mass of the batch or piece and the calculated (theoretical) mass. The calculated mass shall be determined using a density of7.85kg/dm 3 .

25、 6 tolerance on length The sections shall be cut to ordered lengths to tolerances of either a) 50 mm or, by agreement, b) mm. (SeeTable 1.) +100 0EN 10024:1995 4 BSI 06-1999 Table 1 Tolerances on hot-rolled taper flange I sections Dimensions in mm Designation Property Range Tolerance Height h h # 20

26、0 200 h # 400 400 h 2,0 3,0 4,0 Flange width b b # 75 75 b # 100 100 b # 125 125 b 1,5 2,0 2,5 3,0 Web thickness s 7 s 7 s # 10 10 s Flange thickness t # 7 7 t # 10 t 10 t # 20 20 t Out of squareness k + k b # 100 100 b 2,0 2 % of b Web off centre b # 100 100 b 2,0 3,0 e Straightness qxx qyy 80 h #

27、180 180 h # 360 360 h 0,3 % of L 0,15 % of L 0,1 % of L Batch or piece Mass 4 % Length 50 (standard) L (by agreement) +0,5 1,0 +0,7 1,5 +1,0 2,0 +1,5 0,5 +2,0 1,0 +2,5 1,5 +2,5 2,0 +100 0BSEN10024:1995 BSI 06-1999 List of references See national foreword.BS EN 10024:1995 BSI 389 Chiswick High Road L

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