OSI 657/11 International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATION+MEXAYHAPOAHAR OPTAHW3AUMR HO CTAHAAPTM3ALMMORGANISATION INTE RNATIONALE DE NORMALISATION Hot-rolled steel sections Part 11 : Sloping flange channel sections (Metric series) - Dimensions and sectional properties Profiles en acier lamines a chaud -- Partie 11 : Profils en U a ailes inclinees (Serie metrique) -- Dimensions et caracteristiques rapportées aux axes First edition - 1980-09-01 ISO 657/11-1980 (E) UDC 669.14-423 Ref. No. 1SO 657/11-1980 (E) Descriptors : steels, metal sections, hot rolled products, channel iron, dimensions, sectional properties. Price based on 2pages Copyright International Organization for Standardization Not for Res Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards institutes (IsO member bodies). The work of developing inter- national 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 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 657/11 was developed by Technical Committee ISO/TC 17, Steel, and was circulated to the member bodies in October 1977. Austria Germany, F.R. Netherlands Belgium India New Zealand Bulgaria Norway Iran Canada Ireland Poland Chile Italy Romania Korea, Dem. P. Rep. of Denmark South Africa, Rep. of Egypt, Arab Rep. of Korea, Rep. of Switzerland Turkey France Mexico The member bodies of the following countries expressed disapproval of the document on technical grounds : Czechoslovakia Sweden Hungary USA Spain USSR @ International Organization for Standardization, 1980 Printed in Switzerland Copyright International Organization for Standardization Not for Resale ISO 657/11-1980 (E) INTERNATIONAL STANDARD Hot-rolled steel sections Part 11 : Sloping flange channel sections (Metric series) - Dimensions and sectional properties Scope and field of application letters CH followed by the depth and mass per metre. This International Standard specifies dimensions and sectional Example : CH 160 × 18 properties of metric series hot-rolled steel sloping.flange chan- nel sections. Dimensions and sectional properties 3 2 Designation The dimensions and sectional properties of sloping flange Sloping flange channel sections shali be designated by the channel sections are given in the table. Copyright International Organization for Standardization Not for Res