(ISo 657/11 International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATION*MEXAYHAPOAHAR OPTAHW3AMA NO CTAHAAPTW3AUWW-ORGANISATION INTERNATIONALE 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 Ua ailes inclinees (Serie metrique)--Dimensions et caracteristiques rapportees auxaxes First edition 1980-09-01 ISO 657/11-1980 (E) UDC669.14-423 Ref.No.ISO657/11-1980 (E) Descriptors : steels, metal sections, hot rolled products, channel iron, dimensions, sectional properties Price based on 2 pages 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 byTechnical Committee ISO/TC 17, Steel, and was circulated to the member bodies in October 1977. It has been approved by the member bodies of the following countries : Austria Germany, F.R. Netherlands Belgium India NewZealand Norway Bulgaria Iran Canada Ireland Poland Chile Italy Romania Denmark Korea, Dem. P. Rep. of South Africa, Rep. of Egypt, Arab Rep. of Korea, Rep. of Switzerland France Mexico Turkey The member bodies of the following countries expressed disapproval of the document on technical grounds : Czechoslovakia Sweden Hungary USA Spain USSR International OrganizationforStandardization,1980 Printed in Switzerland ISO657/11-1980 (E) INTERNATIONALSTANDARD Hot-rolled steel sections Part 11 : Sloping flange channel sections (Metric series) -- Dimensions and sectional properties Scopeandfieldof application letters CH followed by the depth and mass per metre. This International Standard specifies dimensions and sectional Example: CH160×18 properties of metric series hot-rolled steel sloping.flange chan- nel sections. 3Dimensionsandsectional properties 2Designation The dimensions and sectional properties of sloping flange Sloping flange channel sections shall be designated by the channel sections are given in the table.