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    EN ISO 1461-2009 en Hot dip galvanized coatings on fabricated iron and steel articles - Specifications and test methods《钢铁制品热浸电镀层 规范和试验方法》.pdf

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    EN ISO 1461-2009 en Hot dip galvanized coatings on fabricated iron and steel articles - Specifications and test methods《钢铁制品热浸电镀层 规范和试验方法》.pdf

    1、BS EN ISO1461:2009ICS 25.220.40NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDHot dip galvanizedcoatings on fabricatediron and steel articles Specifications andtest methods (ISO1461:2009)This British Standard was published under the authority of the Standards P

    2、olicy and Strategy Committee on 31 July2009 BSI 2009ISBN 978 0 580 61088 2Amendments/corrigenda issued since publicationDate CommentsBS EN ISO 1461:2009National forewordThis British Standard is the UK implementation of EN ISO 1461:2009. Itsupersedes BS EN ISO 1461:1999 which is withdrawn.The UK part

    3、icipation in its preparation was entrusted to Technical Committee STI/34, Hot dip galvanized coatings.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are r

    4、esponsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 1461May 2009ICS 25.220.40 Supersedes EN ISO 1461:1999 English VersionHot dip galvanized coatings on fabricated iron and steel

    5、articles- Specifications and test methods (ISO 1461:2009)Revtements par galvanisation chaud sur produits finisen fonte et en acier - Spcifications et mthodes dessaii(ISO 1461:2009)Durch Feuerverzinken auf Stahl aufgebrachte Zinkberzge(Stckverzinken) - Anforderungen und Prfungen (ISO1461:2009)This Eu

    6、ropean Standard was approved by CEN on 30 April 2009.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references con

    7、cerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own

    8、 language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

    9、 Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rig

    10、hts of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 1461:2009: EBS EN ISO 1461:2009EN ISO 1461:2009 (E) 3 Foreword This document (EN ISO 1461:2009) has been prepared by Technical Committee ISO/TC 107 “Metallic and other inorganic coatings“ in c

    11、ollaboration with Technical Committee CEN/TC 262 “Metallic and other inorganic coatings”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2009, an

    12、d conflicting national standards shall be withdrawn at the latest by November 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. Th

    13、is document supersedes EN ISO 1461:1999. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, G

    14、reece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 1461:2009 has been approved by CEN as a EN ISO 1461:2009 without an

    15、y modification. BS EN ISO 1461:2009ISO 1461:2009(E) ISO 2009 All rights reserved iiiContents Page Foreword iv 1 Scope . 1 2 Normative references . 1 3 Terms and definitions. 2 4 General requirements. 3 4.1 General. 3 4.2 Hot dip galvanizing bath 3 4.3 Information to be supplied by the purchaser 3 4.

    16、4 Safety . 4 5 Acceptance inspection and sampling 4 6 Coating properties 4 6.1 Appearance . 4 6.2 Thickness 5 6.3 Renovation 8 6.4 Adhesion 8 6.5 Acceptance criteria. 8 7 Certificate of compliance . 9 Annex A (normative) Information to be supplied 10 Annex B (normative) Safety and process requiremen

    17、ts 12 Annex C (informative) Renovation of uncoated or damaged areas 13 Annex D (informative) Determination of thickness. 14 Annex E (informative) Corrosion resistance of hot dip galvanized coatings 15 Bibliography . 16 BS EN ISO 1461:2009ISO 1461:2009(E) iv ISO 2009 All rights reservedForeword ISO (

    18、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 technical committees. Each member body interested in a subject for which a technical commi

    19、ttee 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 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotec

    20、hnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC 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 membe

    21、r 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 identifyin

    22、g any or all such patent rights. ISO 1461 was prepared by Technical Committee ISO/TC 107, Metallic and other inorganic coatings, Subcommittee SC 4, Hot dip coatings (galvanized, etc.). This third edition cancels and replaces the second edition (ISO 1461:1999), which has been technically revised. Thi

    23、s revision reflects the experience gained in the use of ISO 1461 and includes a simplification of procedures and presentation. Significant changes to the text include the following: further refining of the scope of application of the standard to exclude woven or welded mesh products that are continu

    24、ously galvanized; adding a definition for weld seepage in Clause 3; adding references to the availability of secondary zinc supply; adding explanatory notes on coating finish; simplifying requirements for sampling and testing; adding references for the use of alternative renovation materials and for

    25、 methods of adhesion testing; moving much informative information on the influence of the basis metal on the hot dip galvanized coatings produced and designed for galvanizing into the guidance document ISO 14713-2 8. BS EN ISO 1461:2009INTERNATIONAL STANDARD ISO 1461:2009(E) ISO 2009 All rights rese

    26、rved 1Hot dip galvanized coatings on fabricated iron and steel articles Specifications and test methods 1 Scope This International Standard specifies the general properties of coatings and test methods for coatings applied by dipping fabricated iron and steel articles (including certain castings) in

    27、 a zinc melt (containing not more than 2 % of other metals). It does not apply to the following: 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

    28、) for which specific standards exist and which might include additional requirements or requirements which are different from those of this International Standard. NOTE Individual product standards can incorporate this International Standard for the coating by quoting its number, or can incorporate

    29、it with modifications specific to the product. Different requirements can also be made for galvanized coatings on products intended to meet specific regulatory requirements. After-treatment/over-coating of hot dip galvanized articles is not covered by this International Standard. 2 Normative referen

    30、ces The following referenced documents are indispensable for the 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 752, Zinc ingots ISO 1460, Metallic coati

    31、ngs Hot dip galvanized coatings on ferrous materials Gravimetric determination of the mass per unit area ISO 2064, Metallic and other inorganic coatings Definitions and conventions concerning the measurement of thickness ISO 2178, Non-magnetic coatings on magnetic substrates Measurement of coating t

    32、hickness Magnetic method ISO 2808, Paints and varnishes Determination of film thickness ISO 2859-1, Sampling procedures for inspection by attributes Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection ISO 2859-2, Sampling procedures for inspection by attribut

    33、es Part 2: Sampling plans indexed by limited quality (LQ) for isolated lot inspection ISO 2859-3, Sampling procedures for inspection by attributes Part 3: Skip-lot sampling procedures BS EN ISO 1461:2009ISO 1461:2009(E) 2 ISO 2009 All rights reservedISO 3549, Zinc dust pigments for paints Specificat

    34、ions and test methods ISO 3882, Metallic and other inorganic coatings Review of methods of measurement of thickness ISO 10474, Steel and steel products Inspection documents EN 1179, Zinc and zinc alloys Primary zinc EN 13283, Zinc and zinc alloys Secondary zinc 3 Terms and definitions For the purpos

    35、es of this document, the terms and definitions given in ISO 2064 and the following apply. 3.1 hot dip galvanizing formation of a coating of zinc and/or zinc iron alloys on iron and steel products by dipping prepared steel or cast iron in a zinc melt 3.2 hot dip galvanized coating coating obtained by

    36、 hot dip galvanizing NOTE The term “hot dip galvanized coating” is subsequently referred to as the “coating”. 3.3 coating mass total mass of zinc and/or zinc alloys per area of surface NOTE The coating mass is expressed in grams per square metre, g/m2. 3.4 coating thickness total thickness of zinc a

    37、nd/or zinc alloys NOTE The thickness is expressed in micrometres, m. 3.5 significant surface part of the article covered or to be covered by the coating and for which the coating is essential for serviceability and/or appearance 3.6 control sample article or group of articles from a lot that is sele

    38、cted for sampling 3.7 reference area area within which a specific number of single measurements are made 3.8 local coating thickness mean value of coating thickness obtained from the specific number of measurements within a reference area for a magnetic test or the single value from a gravimetric te

    39、st 3.9 mean coating thickness average value of the local thicknesses BS EN ISO 1461:2009ISO 1461:2009(E) ISO 2009 All rights reserved 33.10 local coating mass value of coating mass obtained from a single gravimetric test 3.11 mean coating mass average value of the coating masses determined either by

    40、 using a control sample selected in accordance with Clause 5 using tests in accordance with ISO 1460 or by conversion of the mean coating thickness (3.9) 3.12 minimum value of the coating thickness lowest single measurement in a gravimetric test or lowest mean obtained from the specified number of m

    41、easurements in a magnetic test within a reference area 3.13 inspection lot single order or single delivery load 3.14 acceptance inspection inspection of an inspection lot at the hot dip galvanization works, unless otherwise specified 3.15 uncoated area areas on the iron or steel articles that do not

    42、 react with the molten zinc 3.16 zinc melt molten mass containing primarily zinc 3.17 weld seepage emission of previously retained pretreatment solutions from narrow spaces between two closely contacting surfaces that have been subject to intermittent welding or from very small cavities (pinholes) i

    43、n the welds of a galvanized article 4 General requirements 4.1 General This International Standard sets out requirements for the contents of the zinc melt used to apply a galvanized coating to articles (see 4.2). The chemical composition and the surface condition (finish and roughness) of the basis

    44、metal, the mass of the parts and the galvanizing conditions may affect the appearance, thickness, texture and physical/mechanical properties of the coating. This International Standard does not define any requirements regarding these points. Guidance on these parameters can be found in ISO 14713-2 8

    45、. 4.2 Hot dip galvanizing bath The hot dip galvanizing bath shall primarily contain molten zinc. The total of the other elements (as identified in ISO 752, EN 1179 or EN 13283, excluding tin and iron) in the molten zinc shall not exceed 1,5 % by mass. 4.3 Information to be supplied by the purchaser

    46、The information listed in Annex A (Clauses A.1 and A.2) shall be supplied by the purchaser. BS EN ISO 1461:2009ISO 1461:2009(E) 4 ISO 2009 All rights reserved4.4 Safety Venting and draining shall be provided for in accordance with Annex B. 5 Acceptance inspection and sampling Acceptance inspection c

    47、an be undertaken by, or on behalf of, the purchaser and shall be undertaken before the products leave the hot dip galvanizers custody, unless otherwise specified at the time of ordering by the purchaser. Acceptance inspection involves assessment of the appearance of the coated product and testing of

    48、 the zinc coating thickness. Adhesion tests are normally not carried out and are only tested by agreement. If the customer requires this, a control sample for thickness testing shall be taken randomly from each inspection lot (3.13) selected for testing. The minimum number of articles from each insp

    49、ection lot that forms the control sample shall be in accordance with Table 1. Table 1 Control sample size related to lot size Number of articles in lot Minimum number of articles in the control sample 1 to 3 All 4 to 500 3 501 to 1 200 5 1 201 to 3 200 8 3 201 to 10 000 13 10 000 20 6 Coating properties 6.1 Appearance At acceptance inspection, the significant surface(s) of all the hot dip galvanized article(s), when first examined by normal or corrected vision from a distance of not less than 1 m,


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