OSI) 657/19 International Standard INTERNATIONALORGANIZATION FOR STANDARDIZATION·MEKAYHAPOAHAR OPTAHM3AUMA NO CTAHAAPTW3ALMWORGANISATION INTERNATIONALE DE NORMALISATION Hot-rolled steel sections Part 19 : Bulb flats (metric series) - Dimensions, sectional properties and tolerances Profilés en acier laminés a chaud - Partie 19 : Plats a boudin (serie metrique) -- Dimensions, caractéristiques rapportées aux axes et tolerances First edition -- 1980-02-01 ISO 657/19-1980 (E) UDC 669.14-422.2 Ref. No. ISO 657/19-1980 (E) Descriptors : metal sections, steel products, hot rolled products, sectional properties, dimensions, dimensional tolerances. Price based on 3 pages Copyright International Organization for Standardization nse from IHS Not for Resale FOREWORD iso (the International Organization for Standardization) is a worldwide federation of national standards institutes (IsO member bodies). The work of developing International Standards is carried out through ISO technical committees. Every member body interested in a subject for which a technical committee has been set up has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with IsO, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council. International Standard ISO 657/19 (formerly ISO/DIS 4974) was developed by Technical Committee ISO/Tc 17, Steel, and was circulated to the member bodies in January 1978. It has been approved by the member bodies of the following countries : India Poland Australia Belgium Iran Romania Ireland South Africa, Rep. of Bulgaria Canada Italy Spain Korea, Dem. P. Rep. of Czechoslovakia Sweden Switzerland Denmark Korea, Rep. of Turkey Egypt, Arab Rep. of Mexico United Kingdom Finland Netherlands France New Zealand USSR Norway Germany, F.R. The member bodies of the following countries expressed disapproval of the document on technical grounds : Japan USA Printed in Switzerland Copyright International Organization for Standardization INTERNATIONAL STANDARD ISO 657/19-1980 (E) Hot-rolled steel sections Part 19 : Bulb flats (metric series) - Dimensions, sectional properties and tolerances 1 SCOPE AND FIELD OF APPLICATION This International Standard specifies dimensions, sectional properties and dimensional tolerances for metric series hot-rolled steel bulb flats. 2 DESIGNATION Hot-rolled steel bulb flats shall be designated by the width, b, and thickness, t. Example : 200 × 10 3DIMENSIONS The dimensions of bulb flats shall be as given in table 1. Copyright International Organization for Standardization