ISO INTERNATIONAL 8458-2 STANDARD Second edition 2002-08-01 Steel wire for mechanical springs - Part 2: Patented cold-drawn non-alloy steel wire Fils enacierpourressortsmécaniques Partie 2:Fils en acier non allié, patentés, trefiles a froid Reference number ISO 8458-2:2002(E) ISO @ ISO 2002 ISO 8458-2:2002(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by iSO member bodies. In the unlikely event ISO 2002 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.ch Printed in Switzerland ii @ISO2002-Allrights reserved ISO 8458-2:2002(E) Contents Page Foreword.. .iv 1 Scope 2 Normative references. 3 Classification and designation. .2 4 Dimensions and supplyconditions. 4.1 Dimensional tolerances 4.2 Welds...... 4.3 Cast of the wire.... 4.4 Straightness of cut lengths... 5 Requirements. 5.1 Material .... 5.2 Coating and surface finish 5.3 Surface quality ... 5.4 Mechanical properties. 5.5 Technological properties 6 Inspection and testing..... 6.1 Test methods and otherrequirements 6.2 Extent of testing.. ISO 2002 All rights reserved ili ISO 8458-2:2002(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO committees. Each member body interested in a subject for which a technical committee has been established has Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 3. The main task of technical committees is toprepare International Standards.Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Internationa Standard requires approval by at least 75 % of the member bodies casting a vote. rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 8458-2 was prepared by Technical Committee ISO/TC 17, Steel, Subcommittee SC 17, Steel wire rod and wire products. This second edition cancels and replaces the first edition (iso 8458-2:1989) which has been technically revised ISO 8458 consists of the following parts, under the general title Steel wire for mechanical springs: Part1:General requirements Part2:Patentedcold-drawnnon-alloysteelwire —Part3:Oil-hardenedandtemperedwire iv ISO 2002 - All rights reserved INTERNATIONAL STANDARD ISO8458-2:2002(E) Steel wire for mechanical springs Part 2: Patented cold-drawn non-alloy steel wire 1 Scope This part of IsO 8458 specifies requirements for cold-drawn non-alloy steel wire for the manufacture of mechanical 2Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referre