ISO 1461-2022 热浸镀锌涂层在制造的铁和钢制品上的应用-规格和测试方法(英文版).pdf

1461,ISO,铁和钢,国外及港澳台标准
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INTERNATIONAL STANDARD

Hotdipgalvanizedcoatingson fabricatedironandsteelarticles- Specificationsandtestmethods

Revetements par galvanisation chaud sur produits finis en fonte eten acier - Specifications et methodes d'essai

COPYRIGHTPROTECTEDDOCUMENT

@ISO 2022

All rightsreservedUnless otherwisespecified orrequired in the context of its implementation o part of this publicationmaybereproduced rutilizedtherwisein any form orbyanymeans electronicormechanical includingphotocopying orpostingon the interet oran intranet without prior written permission.Permission canbe requested from either ISOat the address belowor ISO's member body in the country of the requester.

ISO copyright officeCH-1214 Vernier Geneva CP 401 • Ch. de Blandonnet 8Email: copyright@ Phone: 41 22 749 01 11Website:

Published in Switzerland

Contents

Page

Foreword. iv1 Scope. 12 Normative references.3 Terms and definitions 24 General requirements.4.2 4.1 Hot dip galvanizing bath. General. 3 44.3 4.4 Information to be supplied by the purchaser. Safety. 4 45 Acceptance inspection and sampling. 46 Galvanized coating properties. 46.1 6.2 Thickness.. Appearance. 56.2.1 General. 56.2.2 6.2.3 Reference areas Test methods. 66.3 6.4 Renovation.. Adhesion. 7 76.5 Acceptance criteria.. 87 Declaration of pliance. 9Annex A (normative) Information to be supplied. 10Annex B (normative) Safety and process requirements. Annex C(informative) Renovation of uncoated or damaged areas. 12Annex D (informative) Determination of thickness. 13 14Annex E (informative) Corrosion resistance of galvanized coatings 15Bibliography. 16

Foreword

bodies (ISO member bodies). The work of preparing International Standards is normally carried outmittee has been established has the right to be represented on that mittee. InternationalISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of organizations governmental and non-governmental in liaison with ISO also take part in the work.electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance aredifferent types of ISO documents should be noted. This document was drafted in accordance with theeditorial rules of the ISO/IEC Directives Part 2 (see

Attention is drawn to the possibility that some of the elements of this document may be the subject ofany patent rights identified during the development of the document will be in the Introduction and/oron the ISo list of patent declarations received (see

Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.

For an explanation of the voluntary nature of standards the meaning of ISO specific terms and expressions related to conformity assessment as well as information about ISO's adherence tothe World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see

Submittee SC 4 Hot dip coatings (galvanized etc.) in collaboration with the European Committeefor Standardization (CEN) Technical Committee CEN/TC 262 Metallic and other inorganic coatings in

This fourth edition cancels and replaces the third edition (ISO 1461:2009) which has been technicallyrevised.

The main changes are as follows:

--definitions have been added for 'galvanizer' ‘after-treatment ‘additional coating’ ‘wet storagestain’ and ‘duplex system′ in Clause 3;- the difficulty to remove flux residues and zinc ash when access is restricted has been recognised in 6.1;-- procedures for choice of reference areas have been clarified and additional requirements to avoidreference areas on certain small ancillary elements on a larger article have been added in 6.2.3;to include additional information on the suitability of different methods of renovation given in 6.3; of a zinc-containing paint to conform with ISO 3549 have been removed; Annex.C has been extended-all requirements related to coating thickness including Table 3 and Table 4 have been placedwithin 6.2.3;the lower coating thicknesses that can result in ultra-low reactive steels are recognised within 6.5 including requirements linked to the size of the article in the control sample previouslyin new requirements for these steel types in 6.5;information on corrosion resistance of galvanized coatings has been updated including thereference to ISO 9224 for longer-term corrosion resistance in Annex E.

Any feedback or questions on this document should be directed to the user's national standards body. A plete listing of these bodies can be found at

Hotdipgalvanizedcoatingsonfabricatedironandsteel articles-Specificationsandtestmethods

1Scope

This document specifies the general properties of hot dip galvanized coatings and test methods for hot dip galvanized coatings applied by dipping fabricated iron and steel articles (including certainto the following: castings) in a zinc melt (containing not more than 2 % of other metals). This document does not apply

a] sheet wire and woven or welded mesh products that are continuously hot dip galvanized;b) tube and pipe that are hot dip galvanized in automatic plants;c)hot dip galvanized products (e.g. fasteners) for which specific standards exist and which can include additional requirements or requirements which are different from those of this document.

NOTE Individual product standards can incorporate this document for the galvanized coating by quotingits number or can incorporate it with modifications specific to the product. Different requirements can also be made for galvanized coatings on products intended to meet specific regulatory requirements.

This document does not apply to after-treatment or additional coating of hot dip galvanized articles.

2Normativereferences

The following documents are referred to in the text in such a way that some or all of their contentundated references the latest edition of the referenced document (including any amendments) applies.

ISO 752 Zinc ingots

ISO 1460 Metallic coatings Hot dip galvanized coatings on ferrous materials -Gravimetricdetermination of the mass per unit area

ISO2064 MetallicandotherinorganiccoatingsDefinitionsand conventionsconcerning themeasurementof thickness

method

ISO 2859-1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection

quality (LQ) for isolated lot inspection

ISO 2859-3 Sampling procedures for inspection by attributes - Part 3: Skip-lot sampling procedures

ISO 10474 Steel and steel products - Inspection documents

ISO 14713-2:2019 Zinc coatings -Guidelines and remendations for the protection against corrosionof iron and steel in structures - Part 2: Hot dip galvanizing

EN 1179 Zinc and zinc alloys - Primary zinc

EN 13283 Zinc and zinc alloys - Secondary zinc

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