DIN EN ISO 19598-2017 Metallic coatings - Electroplated coatings of zinc and zinc alloys on iron or steel with supplementary Cr(VI)-free treatment (ISO 19598 2016) German version E.pdf

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1、April 2017 English price group 12No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 25.220.40!%c/“2649912www.din.deDIN

2、 EN ISO 19598Metallic coatings Electroplated coatings of zinc and zinc alloys on iron or steel with supplementary Cr(VI)free treatment (ISO 19598:2016);English version EN ISO 19598:2016,English translation of DIN EN ISO 19598:2017-04Metallische berzge Galvanische Zink und Zinklegierungsberzge auf Ei

3、senwerkstoffen mit zustzlichen Cr(VI)freien Behandlungen (ISO 19598:2016);Englische Fassung EN ISO 19598:2016,Englische bersetzung von DIN EN ISO 19598:2017-04Revtements mtalliques Revtements lectrolytiques de zinc et dalliage de zinc sur du fer ou de lacier avec traitement supplmentaire sans Cr(VI)

4、 (ISO 19598:2016);Version anglaise EN ISO 19598:2016,Traduction anglaise de DIN EN ISO 19598:2017-04SupersedesDIN 50979:200807www.beuth.deDocument comprises 20 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.03.17 DIN EN ISO 19

5、598:2017-04 2 A comma is used as the decimal marker. National foreword This document (EN ISO 19598:2016) has been prepared by Technical Committee ISO/TC 107 “Metallic and other inorganic coatings” in collaboration with Technical Committee CEN/TC 262 “Metallic and other inorganic coatings, including

6、for corrosion protection and corrosion testing of metals and alloys” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was DIN-Normenausschuss Materialprfung (DIN Standards Committee Materials Testing), Working Committee NA 062-01-76 AA “Chemical and electro

7、chemical coatings”. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 1463 DIN EN ISO 1463 ISO 2080 DIN EN ISO 2080 ISO 2177 DIN EN ISO 2177 ISO 2178 DIN EN ISO 2178 ISO 2360 DIN EN ISO 2360 ISO 2819 DIN EN ISO 2819 ISO 3497 DIN EN ISO 34

8、97 ISO 3613:2010 DIN EN ISO 3613:2011-04 ISO 9227 DIN EN ISO 9227 ISO 15549 DIN EN ISO 15549 ISO 27830:2008 DIN EN ISO 27830:2013-11 Amendments This standard differs from DIN 50979:2008-07 as follows: a) an Introduction has been included; b) the standard has been editorially revised; c) normative re

9、ferences have been updated; d) in Table 3, further sealant layers have been added; e) an additional example for a designation has been added; f) Tables 5 and 6 have been extended; g) the standard has been editorially revised. Previous editions DIN 50979: 2008-07 DIN EN ISO 19598:2017-04 3 National A

10、nnex NA (informative) Bibliography DIN EN ISO 1463, Metallic and oxide coatings Measurement of coating thickness Microscopical method DIN EN ISO 2080, Metallic and other inorganic coatings Surface treatment, metallic and other inorganic coatings Vocabulary DIN EN ISO 2177, Metallic coatings Measurem

11、ent of coating thickness Coulometric method by anodic dissolution DIN EN ISO 2178, Non-magnetic coatings on magnetic substrates Measurement of coating thickness Magnetic method DIN EN ISO 2360, Non-conductive coatings on non-magnetic electrically conductive basis materials Measurement of coating thi

12、ckness Amplitude-sensitive eddy current method DIN EN ISO 2819, Metallic coatings on metallic substrates Electrodeposited and chemically deposited coatings Review of methods available for testing adhesion DIN EN ISO 3497, Metallic and oxide coatings Measurement of coating thickness X-ray spectrometr

13、ic methods DIN EN ISO 3613:2011-04, Metallic and other inorganic coatings Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys Test methods (ISO 3613:2010) DIN EN ISO 9227, Corrosion tests in artificial atmospheres Salt spray tests DIN EN ISO 15549, Non-dest

14、ructive testing Eddy current testing General principles DIN EN ISO 27830:2013-11, Metallic and other inorganic coatings Guidelines for specifying metallic and inorganic coatings (ISO 27830:2008) DIN EN ISO 19598:2017-04 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE

15、NORM EN ISO 19598 November 2016 ICS 25.220.40 English Version Metallic coatings - Electroplated coatings of zinc and zinc alloys on iron or steel with supplementary Cr(VI)-free treatment (ISO 19598:2016) Revtements mtalliques - Revtements lectrolytiques de zinc et dalliages de zinc sur du fer ou de

16、lacier avec traitement supplmentaire sans Cr(VI) (ISO 19598:2016) Metallische berzge - Galvanische Zink- und Zinklegierungsberzge auf Eisenwerkstoffen mit zustzlichen Cr(VI)-freien Behandlungen(ISO 19598:2016) This European Standard was approved by CEN on 1 October 2016. CEN members are bound to com

17、ply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELE

18、C 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 translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the s

19、ame status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembour

20、g, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 20

21、16 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 19598:2016 EEuropean foreword .3Introduction 51 Scope . 62 Normative references 63 Terms and definitions . 64 Designation 74.1 Electrodeposited coatings . 74.2 Passivation 74.3

22、 Post treatment . 74.4 Significant (functional) surfaces 84.5 Examples of designations 85 Information to be supplied by the purchaser to the electroplater 86 Basis materials . 97 Coating and processing 97.1 Surface preparation and deposition of zinc or zinc-alloy coating 97.2 Supplementary treatment

23、s 97.2.1 Passivation layers 97.2.2 Post treatment 107.3 Barrel-/rack-plating (handling of parts) . 107.3.1 Barrel electroplating 107.3.2 Rack electroplating . 107.4 Hydrogen embrittlement 107.4.1 Basic factors 107.4.2 Choice of procedure . 118 Requirements to be met by coatings and test methods 128.

24、1 Thickness 128.2 Adhesion 128.3 Absence of Cr(VI) . 138.4 Accelerated corrosion testing . 138.4.1 General. 138.4.2 Minimum corrosion resistance of passivated zinc and zinc-alloy coatings . 139 Test report 159.1 General information 159.2 Coatings on materials having a tensile strength 1 000 N/mm2 .1

25、59.3 Test results. 15Bibliography .16Contents PageDIN EN ISO 19598:2017-04 EN ISO 19598:2016 (E) 2Foreword 4European foreword This document (EN ISO 19598:2016) has been prepared by Technical Committee ISO/TC 107 “Metallic and other inorganic coatings” in collaboration with Technical Committee CEN/TC

26、 262 “Metallic and other inorganic coatings, including for corrosion protection and corrosion testing of metals and alloys” 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,

27、at the latest by May 2017, and conflicting national standards shall be withdrawn at the latest by May 2017. 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 al

28、l such patent rights. 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, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of

29、Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 19598:2016 has been approved b

30、y CEN as EN ISO 19598:2016 without any modification. DIN EN ISO 19598:2017-04 EN ISO 19598:2016 (E)3 ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally

31、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 take part in the wo

32、rk. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the diff

33、erent approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document ma

34、y be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/paten

35、ts).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade O

36、rganization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.The committee responsible for this document is ISO/TC 107, Metallic and other inorganic coatings, Subcommittee SC 3, Electrodeposited coatings and related finishes.DIN EN ISO 19

37、598:2017-04 EN ISO 19598:2016 (E) 4 IntroductionThe chromium(VI) free systems differ in 2 points from the chromium(VI)-containing systems:a) there is no self-healing of the system;b) higher temperature resistance ( 150 C), the limit for chromium(VI) containing systems, is 70 C.DIN EN ISO 19598:2017-

38、04 EN ISO 19598:2016 (E)5 1 ScopeThis International Standard applies to electrodeposited zinc and zinc-alloy coatings on iron and steel with Cr(VI)-free passivation. The zinc-alloy coatings contain nickel or iron as alloying elements (referred to as zinc/nickel and zinc/iron coatings, respectively).

39、The main purpose of the coatings or coating systems is protecting iron and steel components against corrosion.This International Standard specifies the designations to be used for the above coating systems, the minimum corrosion resistance to be achieved in specified test procedures, and the minimum

40、 coating thicknesses required.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced

41、document (including any amendments) applies.ISO 2080, Metallic and other inorganic coatings Surface treatment, metallic and other inorganic coatings VocabularyISO 3497, Metallic coatings Measurement of coating thickness X-ray spectrometric methodsISO 3613:2010, Metallic and other inorganic coatings

42、Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys Test methodsISO 9227, Corrosion tests in artificial atmospheres Salt spray testsISO 9587, Metallic and other inorganic coatings Pretreatment of iron or steel to reduce the risk of hydrogen embrittlementISO

43、 9588, Metallic and other inorganic coatings Post-coating treatments of iron or steel to reduce the risk of hydrogen embrittlementISO 27830:2008, Metallic and other inorganic coatings Guidelines for specifying metallic and inorganic coatings3 Terms and definitionsFor the purposes of this document, t

44、he terms and definitions given in ISO 2080 apply.DIN EN ISO 19598:2017-04 EN ISO 19598:2016 (E) 6 4 Designation4.1 Electrodeposited coatingsThe electrodeposited coatings shall be composed of zinc or zinc-alloys as listed in Table 1.Table 1 Designation of electrodeposited coatingsSymbol DefinitionZn

45、Zinc coating without alloying elementZnFe Zinc-alloy containing a mass fraction of 0,3 % to 1,0 % ironZnNi Zinc-alloy containing a mass fraction of 12 % to 16 % nickel4.2 PassivationPassivation is the production of conversion coatings by treating coatings with suitable Cr(VI)-free solutions in order

46、 to improve their corrosion resistance. The conversion coating may optionally be dyed.Since the Cr(VI)-free passivations are new coating systems, the new nomenclature is listed in Table 2.Table 2 PassivationsType of passivation CodeColouration, surface appearanceaNotesTransparent An Colourless to co

47、loured and iridescentOften referred to as “thin-layer passivation”Iridescent Cn Coloured and iridescentOften referred to as “thick-layer passivation”Black Fn BlackaTints are permissible.4.3 Post treatmentApplication of a sealant or top coats increases corrosion resistance.Sealant layers normally sho

48、w a thickness of up to 2 m and are composed of Cr(VI)-free organic and/or inorganic compounds. Coatings that can be removed with cold cleaning agents, such as those with an oil, grease or wax base, are not considered as sealants in the context of this International Standard.Top coats are normally thicker than 2 m and are Cr(VI)-free organic thin coatings which may need elevate