ISO INTERNATIONAL STANDARD 6935-1 Second edition 2007-01-15 Steel for the reinforcement of concrete Part 1: Plain bars Aciers pour I'armature du béton - Partie 1: Barres lisses Reference number ISO 6935-1:2007(E) @ ISO 2007 ISO 6935-1:2007(E) PDFdisclaimer 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 ISO2007 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-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ISO 2007-All rights reserved ISO6935-1:2007(E) Contents Page Foreword. 1 Scope 2 Normative references 3 Symbols. 4 Termsand definitions. 2 5 Dimensions, masses per unit length and permissible deviations... 6 Chemical composition. L Mechanical properties 7.1 Tensile properties.. 7.2 Bending properties 8 Testing 8.1 Tensile test 8.2 8.3 Chemicalanalysis. 9 Designation 10 Marking 11 Evaluation of conformity.. 11.1 General... 11.2 Certification scheme.... 11.3 Acceptance testing of a specific delivery . 11.3.1 General... 11.3.2 Verification of characteristic values ... 11.3.3 Verification of specified minimum/maximum values 11.3.4 Test report Bibliography. anization for Standar alion'ghts reserved ili ISO 6935-1:2007(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 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. International Standards are drafted in accordance with the rules given in the ISO/lEc Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 6935-1 was prepared by Technical Committee ISO/TC 17, Steel, Subcommittee SC 16, Steels for the reinforcement and prestressing of concrete. This second edition cancels and replaces the first edition (IsO 6935-1:1991), which has been technically revised. IsO 6935 consists of the following parts, under the general title Steel for the reinforcement of concrete: Part 1: Plain bars Part 2: Ribbed bars Part 3: Welded fabric @ ISo 2007 - All rights reserved INTERNATIONAL STANDARD ISO 6935-1:2007(E) Steel for the reinforcement of concrete - Part 1: Plain bars 1 Scope This part of IsO 6935 specifies technical requirements for plain bars to be used as reinforcement in concrete. This part of ISO 6935 covers nine steel grades not intended for welding which are B240A-P, B240B-P, B240C-P, B240D-P, B300A-P, B300B-P, B300C-P, B300D-P and B420D-P, and one steel gra