En 10024-1995 - Hot Rolled Taper Flange I Sections - Tolerances on Shape and Dimensions

BRITISH STANDARDBS 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 Standard upon which the following bodies were represented: British Constructional Steelwork Association Ltd. 8995 Date December 1995 Comments Indicated by a sideline in the margin . No. British Iron and Steel Producers’ Association Health and Safety Executive This 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. 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 0 580 24601 9 Amendments issued since publication Amd. having been prepared under the direction of the Engineering Sector Board. BS EN 10024:1995 Contents Committees responsible National foreword Foreword Text of EN 10024 List of references Page Inside front cover ii 2 3 Inside back cover © BSI 06-1999 i . an inside front cover. Compliance with a British Standard does not of itself confer immunity from legal obligations. Users of British Standards are responsible for their correct application. the EN title page. EN 10024 does not supersede any existing national standard. This will be indicated in the amendment table on the inside front cover. pages 2 to 4. ii © BSI 06-1999 .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. 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. Summary of pages This document comprises a front cover. Hot rolled taper flange I sections — Tolerances on shape and dimensions. published by the European Committee for Standardization (CEN). pages i and ii. an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. French. Spain. Switzerland and United Kingdom. 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. Belgium. Sweden. Iceland. Grenzabmaße und Formtoleranzen This European Standard was approved by CEN on 1995-02-06. This European Standard exists in three official versions (English. EN 10024:1995 E . Netherlands.140. hot rolled products. CEN European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für Normung Central Secretariat: rue de Stassart 36. dimensions. dimensional tolerances. Italy. Finland. Germany. No. CEN members are the national standards bodies of Austria. Norway. 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. Luxembourg. 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. Ireland. definitions. Portugal. 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. German).70 EN 10024 March 1995 Descriptors: Iron and steel products. form tolerances English version Hot rolled taper flange I sections — Tolerances on shape and dimensions Poutrelles en I à ailes inclinées laminées à chaud — Tolérances de forme et de dimensions Warmgewalze I-Profile mit geneigten inneren Flanschflächen. France. I beams. Denmark.EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM ICS 77. Greece. designation. Italy. Ireland. Finland. This European Standard shall be given the status of a national standard. Structural steel sections. Germany. Luxembourg. United Kingdom. The discussion within ECISS/TC 11 were based on proposals by ECISS/TC 11/WG 3 and prEN 10034. Switzerland. and conflicting national standards shall be withdrawn at the latest by September 1995. Norway. Spain. Netherlands. either by publication of an identical text or by endorsement. the secretariat of which is held by BSI. France. Denmark. Iceland. Sweden. Contents Foreword 1 Scope 2 Normative references 3 Definitions 4 Tolerances on dimensions and shape 5 Tolerance on mass 6 Tolerance on length Table 1 — Tolerances on hot-rolled taper flange I sections Page 2 3 3 3 3 3 3 4 2 © BSI 06-1999 . the following countries are bound to implement this European Standard: Austria. According to the CEN/CENELEC Internal Regulations.EN 10024:1995 Foreword This European Standard has been prepared by ECISS/TC 11. at the latest by September 1995. Portugal. Belgium. Greece. shall be within the tolerance given in Table 1. when measured at the mid-width position of the web. (See Table 1. 4.0 % of the calculated mass (see Table 1). For undated references the latest edition of the publication referred to applies.EN 10024:1995 1 Scope This European Standard specifies requirements for tolerances on dimensions. The calculated mass shall be determined using a density of 7. 6 tolerance on length The sections shall be cut to ordered lengths to tolerances of either a) ± 50 mm or. by agreement. The out of squareness of the section shall not exceed the maximum given in Table 1. 4. shall be within the tolerance given in Table 1. 3 Definitions For the purpose of this European Standard the definitions given in EN 10079 apply. b) +100 0 mm. For dated references.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. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. shape and mass of hot-rolled taper flange I sections. when measured at a distance of b/4 from the mid-width position of the flange. EN 10079.1 height (h) The deviation from nominal on height (h) shall be within the tolerance given in Table 1. These requirements do not apply to taper flange I sections produced from stainless steel.3 web thickness (s) The deviation from nominal on web thickness.4 flange thickness (t) The deviation from nominal on flange thickness.85 kg/dm3.2 flange width (b) The deviation from nominal on flange width (b) shall be within the tolerance given in Table 1. 4. The mass deviation is the difference between the actual mass of the batch or piece and the calculated (theoretical) mass. Definition of steel products. subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision.) © BSI 06-1999 3 . 4. 4 Tolerances on dimensions and shape 4. 4.7 straightness (qxx or qyy) The straightness shall comply with the requirements given in Table 1. 4. 5 tolerance on mass The mass of a batch or piece shall be within ± 4.5 out of square (k + k½) 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. EN 10024:1995 Table 1 — Tolerances on hot-rolled taper flange I sections Dimensions in mm Designation Property Range Tolerance Height h Flange width b Web thickness s h # 200 200 < h # 400 400 < h b # 75 75 < b # 100 100 < b # 125 125 < b s<7 7 < s # 10 10 < s ± 2.5 +2.0 ± 3.0 –2.0 Straightness qxx qyy 80 < h # 180 180 < h # 360 360 < h 0.5 +2.0 +1.0 Flange thickness t#7 7 < t # 10 t 10 < t # 20 20 < t Out of squareness k + k½ Web off centre e b # 100 100 < b b # 100 100 < b 2.0 ± 2.0 +2.5 +1.0 +0.0 ± 4.5 ± 2.0 +0.0 3.5 ± 3.0 –1.0 ± 1.5 –1.3 % of L 0.15 % of L 0.5 –0.0 2 % of b 2.5 –1.7 –1.1 % of L Batch or piece Mass Length L ±4% ± 50 (standard) (by agreement) +100 0 4 © BSI 06-1999 .5 –2. BS EN 10024:1995 List of references See national foreword. © BSI 06-1999 . BSI also holds the copyright. of necessary details such as symbols.BS EN 10024:1995 BSI — British Standards Institution BSI is the independent national body responsible for preparing British Standards. 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