BRITISH STANDARD BS EN 10024 1995 Incorporating Amendment No 1 Hot rolled taper flange I sections — Tolerances on shape and dimensions The European Standard EN 10024 1995 has the status of a British S[.]
BRITISH STANDARD BS EN 10024:1995 Incorporating Amendment No Hot rolled taper flange I sections — Tolerances on shape and dimensions The European Standard EN 10024:1995 has the status of a British Standard BS EN 10024:1995 Committees responsible for this British 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 Executive This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 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 580 24601 Amendments issued since publication Amd No Date Comments 8995 December 1995 Indicated by a sideline in the margin BS EN 10024:1995 Contents Committees responsible National foreword Foreword Text of EN 10024 List of references © BSI 06-1999 Page Inside front cover ii Inside back cover i BS EN 10024:1995 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) EN 10024 does not supersede any existing national standard Cross-reference Publication referred to Corresponding British Standard EN 10079:1992 BS EN 10079:1993 Definition of steel products 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 comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages to 4, an inside back cover and a back cover This standard has been updated (see copyright date) and may have had amendments incorporated This will be indicated in the amendment table on the inside front cover ii © BSI 06-1999 EUROPEAN STANDARD EN 10024 NORME EUROPÉENNE March 1995 EUROPÄISCHE NORM ICS 77.140.70 Descriptors: Iron and steel products, hot rolled 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 inclinées laminées chaud — Tolérances de forme et de dimensions Warmgewalze I-Profile mit geneigten inneren Flanschflächen; Grenzabmaße 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 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 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, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom CEN European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels © 1995 All rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members Ref No EN 10024:1995 E EN 10024:1995 Foreword This European Standard has been prepared by ECISS/TC 11, Structural steel sections, the secretariat of which is held by BSI The discussion within ECISS/TC 11 were based on proposals by ECISS/TC 11/WG and prEN 10034 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 1995, and conflicting national standards shall be withdrawn at the latest by September 1995 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 Contents Foreword Scope Normative references Definitions Tolerances on dimensions and shape Tolerance on mass Tolerance on length Table — Tolerances on hot-rolled taper flange I sections Page 3 3 3 © BSI 06-1999 EN 10024:1995 Scope 4.4 flange thickness (t) This European Standard specifies requirements for tolerances on dimensions, shape and mass of hot-rolled taper flange I sections These requirements not apply to taper flange I sections produced from stainless steel 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 Normative references The out of squareness of the section shall not exceed the maximum given in Table 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 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 undated references the latest edition of the publication referred to applies EN 10079, Definition of steel products Definitions For the purpose of this European Standard the definitions given in EN 10079 apply Tolerances on dimensions and shape 4.1 height (h) The deviation from nominal on height (h) shall be within the tolerance given in Table 4.2 flange width (b) The deviation from nominal on flange width (b) shall be within the tolerance given in Table 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 the tolerance given in Table © BSI 06-1999 4.5 out of square (k + k½) 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 4.7 straightness (qxx or qyy) The straightness shall comply with the requirements given in Table tolerance on mass The mass of a batch or piece shall be within ± 4.0 % of the calculated mass (see Table 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 of 7.85 kg/dm3 tolerance on length The sections shall be cut to ordered lengths to tolerances of either a) ± 50 mm or, by agreement, b) +100 mm (See Table 1.) EN 10024:1995 Table — Tolerances on hot-rolled taper flange I sections Dimensions in mm Designation Property Height h Range Tolerance ± 2,0 ± 3,0 ± 4,0 ± 1,5 ± 2,0 ± 2,5 ± 3,0 Web thickness h # 200 200 < h # 400 400 < h b # 75 75 < b # 100 100 < b # 125 125 < b s