(ISo 657/15 International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATION+MEKAYHAPOAHAR OPTAHW3AUMR NO CTAHAAPTW3ALMM+ORGANISATION INTERNATIONALEDE NORMALISATION Hot-rolledsteelsections Part 15 : Sloping flange beam sections (Metric series) - Dimensionsandsectionalproperties Profiles en acierlamines a chaud-Partie15:Poutrelles aailes inclinees (Serie metrique)--Dimensions et caracteristiques rapportees aux axes First edition-1980-09-15 ISO 657/15-1980 (E) UDC669.14-423 Ref.No.1SO657/15-1980 (E) Descriptors : iron and steel products, hot rolled products, metal sections, I beams, channel iron, dimensions, dimensional tolerances. 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 bodyinterested inasubjectforwhichatechnicalcommitteehasbeensetuphasthe right to be represented on that committee.International organizations, governmental and non-governmental, in liaison with IsO, alsotakepart inthe 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 ISO657/15 (formerlyISO/DIS4971)was developed by TechnicalCommitteeISO/TC17,Steel,andwascirculatedtothememberbodiesin October1977. It has been approved by the member bodies of the following countries : Austria Germany, F.R. Norway Belgium India Philippines Bulgaria Iran Poland Canada Italy Romania Chile Korea, Dem. P. Rep. South Africa, Rep. of of Denmark Korea, Rep. of Switzerland Turkey Egypt, Arab Rep. of Mexico France Netherlands The memberbodies of thefollowing countries expressed disapproval of thedocument on technical grounds : Czechoslovakia Sweden Hungary USA Spain USSR @InternationalOrganizationforStandardization,1980 Printed in Switzerland ISO 657/15-1980 (E) INTERNATIONALSTANDARD Hot-rolled steelsections Part 15 : Sloping flange beam sections (Metric series) - Dimensions and sectional properties Scopeandfieldofapplication SB followed by the depth and mass per metre. This International Standard specifies dimensions and sectional Example: SB160×18 properties of metric series hot-rolled steel sloping flange beam sections. 3 Dimensionsandsectionalproperties 2Designation The dimensions and sectional properties of sloping flange beam Sloping flange beam sections shall bedesignated by theletters sections are given in the table.