ISO INTERNATIONAL STANDARD 4997 Fifthedition 2015-02-01 Cold-reduced carbon steel sheet of structural quality Toles en acier au carbone laminées a froid, de qualité destinée a la construction Reference number IS0 4997:2015(E) SO International Organization for Standardization Zhejiang Institute of Standardization 5956617 IS02015 Not for Resale, 2015/3/11 01:40:51 itted without license from IHS IS0 4997:2015(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2015 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested 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-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax +4122 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland PrganizationforStandardization Iby IHS unde Not for Resale, 2015/3/11 01:40:51 networking permited without license from IHS IS0 4997:2015(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 Dimensions 5 Conditions of manufacture 2 5.1 Steelmaking .2 5.2 Chemical composition .2 5.3 Chemical analysis.. .3 5.3.1 .3 Heatanalysis 5.3.2 Product analysis .3 5.4 Weldability. .3 5.5 Application 4 5.6 Mechanical properties .4 5.7 Surface quality 4 5.7.1 General .4 5.7.2 Surface quality A (unexposed) 5.7.3 Surface quality B (exposed) 5.8 Surfacefinish 5.9 Suitability for surface coating .5 5.10 Oiling. ..5 6 Dimensional and shape tolerances 7 Tensile-test sampling 8 Tensile test .5 9 .5 Retests. 9.1 Machining and flaws. .5 9.2 Elongation. .5 9.3 Additional tests. ..6 10 Resubmission .6 11 Workmanship ..6 12 Inspection and acceptance ..6 13 Coil size ..6 14 Marking .6 15 Information to be provided by the purchaser Bibliography ..8 iii see=Zhejiang Institute of Standardization 5956617 ense with ISO vithoutlicense from IHS