ISO-10684-2004.pdf
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1、 Reference number ISO 10684:2004(E) ISO 2004 INTERNATIONAL STANDARD ISO 10684 First edition 2004-07-15 Fasteners Hot dip galvanized coatings lments de fixation Revtements de galvanisation chaud Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=N
2、ASA Technical Standards 1/9972545001 Not for Resale, 04/18/2007 20:10:42 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 10684:2004(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or vi
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5、 for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2004 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any mea
6、ns, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs 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 copyr
7、ightiso.org Web www.iso.org Published in Switzerland ii ISO 2004 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/18/2007 20:10:42 MDTNo reproduction or networking per
8、mitted without license from IHS -,-,- ISO 10684:2004(E) ISO 2004 All rights reserved iii Contents Page Forewordiv 1 Scope1 2 Normative references .1 3 Terms and definitions.2 4 Materials.3 4.1 Raw material of parts3 4.2 Zinc.3 5 Hot dip galvanizing procedures and precautions .3 5.1 Stress relief3 5.
9、2 Cleaning and pickling.3 5.3 Baking 3 5.4 Fluxing3 5.5 Hot dip galvanizing.3 5.6 Spinning and quenching4 5.7 Special requirements for nuts .4 5.8 Post-treatment.4 6 Requirements on thread tolerances and additional marking.4 6.1 General.4 6.2 Requirements and precautions in assembling hot dip galvan
10、ized threaded fasteners4 6.3 Special requirements for marking when supplying fasteners in sealed containers8 7 Mechanical properties of nuts tapped oversize and undersize threaded bolts, screws and studs.8 8 Coating requirements.8 8.1 Appearance of zinc coating .8 8.2 Considerations for hot dip galv
11、anized washers8 8.3 Zinc coating thickness .8 8.4 Adhesion of zinc coating8 9 Lubrication.9 10 Ordering requirements.9 11 Designation9 Annex A (normative) Special requirements for bolts, screws and nuts with thread sizes M8 and M10 .11 Annex B (normative) Limits of sizes for hot dip galvanized inter
12、nal and external screw thread M813 Annex C (informative) Calculation of minimum ultimate tensile loads and proof loads for bolts and screws M8 and M10 with threads undersized to tolerance class 6az15 Annex D (informative) Surface areas of bolts, screws and nuts .16 Annex E (normative) Adherence of h
13、ot-dip galvanized coating19 Annex F (informative) Strength of hot dip galvanized bolt or screw and nut assemblies20 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/18/2007 20:10:42 MDTNo
14、 reproduction or networking permitted without license from IHS -,-,- ISO 10684:2004(E) iv ISO 2004 All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Sta
15、ndards is normally carried out through 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
16、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/IEC Directives, Part 2. The main task of technical committees
17、 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 possibi
18、lity 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 10684 was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee SC 1, Mechanical properties of fasteners. Copyright In
19、ternational Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/18/2007 20:10:42 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 10684:2004(E) ISO 2004 All right
20、s reserved 1 Fasteners Hot dip galvanized coatings 1 Scope This International Standard specifies material, process, dimensional and some performance requirements for hot dip spun galvanized coatings applied to coarse threaded steel fasteners from M8 up to and including M64 and for property classes u
21、p to and including 10.9 for bolts, screws and studs and 12 for nuts. It is not recommended to hot dip galvanize threaded fasteners in diameters smaller than M8 and/or with pitches below 1,25 mm. NOTE Attention is drawn to the fact that the proof loads and stresses under proof load of oversize tapped
22、 nuts with threads M8 and M10 and the ultimate tensile loads and proof loads of undersize threaded bolts and screws with threads M8 and M10 are reduced as compared to the values specified in ISO 898-2 and ISO 898-1 respectively and are specified in Annex A. It primarily concerns the spun hot dip gal
23、vanizing of threaded steel fasteners, but it may also be applied to other threaded steel parts. The specifications given in this International Standard may also be applied to non-threaded steel parts such as washers. 2 Normative references The following referenced documents are indispensable for the
24、 application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 898-1, Mechanical properties of fasteners made of carbon steel and alloy steel Part 1: Bolts, screws and
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