ISO 9442 INTERNATIONAL STANDARD First edition 1988-10-01 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION MEXKAYHAPOAHAA OPTAHM3ALMA O CTAHAAPTW3AUMM Steel - Hot-rolled ribbed and grooved flats for spring leaves Tolerances and dimensions Acier - Plats raines lamines a chaud pour lames de ressorts - Dimensions et tolerances Reference number ISO 9442 : 1988 (E) ed without license from IHS Not for Resale ISO 9442 : 1988 (E) Foreword ISo (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technicat committees. Each member mental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. 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. They are approved in accordance with ISO procedures requiring at least 75 % approval by the member bodies voting. International Standard ISO 9442 was prepared by Technical Committee ISO/TC 17, Steel. International Organization for Standardization, 1988 Printed in Switzerland Copyright International Organization for Standardization tted without license from IHS Not for Resale ISO 9442 : 1988 (E) INTERNATIONAL STANDARD Steel - Hot-rolled ribbed and grooved flats for spring leaves Tolerances and dimensions Scope agreements based on this International Standard are encour- aged to investigate the possibility of applying the most recent This International Standard applies to hot-roiled ribbed and edition of the standard listed below. Members of IEC and ISO maintain registers of currently valid international Standards. grooved spring steel with the dimensions stated in table 1, of the steel grades listed in clause 4, which are preferably used for IS0 683-14 : 1973, Heat-treated steels, alloy steels and free- rail vehicle construction. cutting steels Part 14:Steels forhot-formed and heat- treated springs. 2Normative reference Dimensions and tolerances on dimension The following standard contains provisions which, through 3 reference in this text, constitute provisions of this lnternational and shape Standard. At the time of publication, the edition indicated was valid. Alt standards are subject to revision, and parties to For dimensions see table 1. For tolerances see tabte 2. Dimensions in millimetres R 200 +0,5 P R b Table 1 - Dimensions Thickness d 9 10 13 14 15 16 20 R 3,75 4,5 Width b Mass1) in kg/m 75 8,68 90 6,32 6,91 60'6 11,2 100 7,70 10,1 12,4 11,6 12,1 120 13.0 14,0 14,9 18,7 1) Caiculated using 7,85 kg/dm3. Preference should be given to those flats for which the masses are shown in bold print. nse with ISC I without license from IHS Not for Resale