ISO-7452-2002.pdf
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1、 Reference number ISO 7452:2002(E) ISO 2002 INTERNATIONAL STANDARD ISO 7452 Second edition 2002-10-15 Hot-rolled structural steel plates Tolerances on dimensions and shape Tles en acier de construction lamines chaud Tolrances sur les dimensions et la forme ISO 7452:2002(E) PDF disclaimer This PDF fi
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6、 copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.ch Web www.iso.ch Printed in Switzerland ii ISO 2002 All rights reserved -,-,- ISO 7452:2002(E) ISO 2002 All rights reserved iii Contents Page Foreword iv 1 Scope 1 2 Information to b
7、e supplied by the purchaser. 1 2.1 General. 1 2.2 Options. 2 3 Form of supply 2 4 Tolerances on dimensions. 2 4.1 Thickness. 2 4.2 Width. 5 4.3 Length. 5 5 Tolerances on shape. 6 5.1 Edge camber and out-of-squareness 6 5.2 Flatness 6 6 Excess mass 9 7 Measurements . 11 7.1 General. 11 7.2 Thickness.
8、 11 7.3 Width. 11 7.4 Length. 11 7.5 Edge camber 11 7.6 Out-of-squareness 11 7.7 Flatness 12 8 Designation 12 9 Options. 12 Annex A (normative) Maximum thickness difference within any plate. 13 Bibliography 14 -,-,- ISO 7452:2002(E) iv ISO 2002 All rights reserved Foreword ISO (the International Org
9、anization 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 technical committees. Each member body interested in a subject for which a technical committee has been establi
10、shed has the right to be represented on that committee. International organizations, governmental 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 standardizatio
11、n. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. 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.
12、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 International Standard may be the subject of patent rights. ISO shall not be held responsible for identifying any o
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