ISO-1834-1999.pdf
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1、A Reference number ISO 1834:1999(E) INTERNATIONAL STANDARD ISO 1834 Second edition 1999-10-15 Short link chain for lifting purposes General conditions of acceptance Chane de levage maillons courts Conditions gnrales de rception Copyright International Organization for Standardization Provided by IHS
2、 under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 22:23:56 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 1834:1999(E) ISO 1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduce
3、d or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case postale 56 CH-1211 Genve 20 Switzerland Internetisoiso.ch Printed in Switzerland ii Content
4、s 1 Scope1 2 Normative references1 3 Terms and definitions .1 4 Dimensions.3 4.1 Material diameter 3 4.2 Other link dimensions3 5 Material, heat treatment and manufacture 3 5.1 Material 3 5.2 Heat treatment.3 5.3 Manufacture.3 5.4 Surface condition5 5.5 Manufacturing proof force (MPF)5 5.6 Links ins
5、erted in the course of manufacture.6 5.7 Breaking force (BF) and total ultimate elongation (A).6 5.8 Bend.6 6 Test requirements6 6.1 Condition of chain tested.6 6.2 Selection of samples6 6.3 Static tensile test 7 6.4 Bend test7 6.5 Acceptance criteria.8 6.6 Re-tests8 7 Marking.9 Copyright Internatio
6、nal Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 22:23:56 MDTNo reproduction or networking permitted without license from IHS -,-,- ISOISO 1834:1999(E) iii 7.1 Grade marking 9 7.2 Additional marking.
7、9 8 Manufacturers certificate.9 Annex A (normative) Requirements for chain testing machines.10 Bibliography12 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 22:23:56 MDTNo repro
8、duction or networking permitted without license from IHS -,-,- ISO 1834:1999(E) ISO iv 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 t
9、hrough ISO technical committees. Each member body interested in a subject for which a technical committee has been established 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 colla
10、borates 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/IEC Directives, Part 3. Draft International Standards adopted by the technical committees are
11、 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. International Standard ISO 1834 was prepared by Technical Committee ISO/TC 111, Round steel link chains, chain slings, components and accessor
12、ies, Subcommittee SC 1, Chains and chain slings. This second edition cancels and replaces the first edition (ISO 1834:1980), which has been technically revised. Annex A forms a normative part of this International Standard. Copyright International Organization for Standardization Provided by IHS und
13、er license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 22:23:56 MDTNo reproduction or networking permitted without license from IHS -,-,- ISOISO 1834:1999(E) v Introduction Chains covered by this International Standard are divided into grades which relate to th
14、e mechanical properties of the finished product and not simply to the strength of the material. Each grade is identified by a letter for fine tolerance chain or number for medium tolerance chain in the series: M(4), P(5), S(6), T(8), V(10). The letter or number indicates the mean stress at the minim
15、um breaking force as shown in Table 1. Table 1 Basis of grade symbols GradeMean stress at the specified minimum breaking force Fine tolerance Medium tolerance N/mm2 M4400 P5500 S6630 T8800 V101 000 NOTEChains of these grades may all not be the subjects of International Standards. The stresses in a c
16、hain link are not uniform and at the extrados, particularly at the crown, the maximum fibre stress is considerably greater than the mean stress obtained by dividing the force by the total cross-sectional area of both legs of the link. Attention is drawn to the fact that repairs to chain should be ca
17、rried out in accordance with ISO 3056, in the case of medium tolerance chain, and ISO 7592, in the case of fine tolerance chain. This grading system has also been applied to hooks, links, shackles and other accessories, indicating their strength compatibility with the appropriate grade of chain. Cop
18、yright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 22:23:56 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardi
19、zation Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 22:23:56 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISOISO 1834:1999(E) 1 Short link chain for lifting purposes General condit
20、ions of acceptance 1 Scope This International Standard specifies the general conditions of acceptance for electrically welded round steel short link chain for lifting purposes. It includes medium tolerance chain for use in chain slings and for general lifting purposes, and fine tolerance chain for u
21、se with chain hoists and other similar lifting appliances. It is applicable to short link lifting chain in accordance with ISO 1835, ISO 3075, ISO 3076 and ISO 3077. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this
22、 International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards listed bel
23、ow. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 1835:1), Short link chain for lifting purposes Grade M(4), non-calibrated, for chain slings, etc. ISO 3075:2), Short link chain for lifting purposes Grade S(6), non-calibrated, for chain slings, etc. ISO 30
24、76:3), Short link chain for lifting purposes Grade T(8), non-calibrated, for chain slings, etc. ISO 3077:4), Short link chain for lifting purposes Grade T(8), calibrated, for chain hoists and other lifting appliances. ISO 7500-1:1999, Metallic materials Verification of static uniaxial testing machin
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