SIST EN ISO 3613:2002
(Main)Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys - Test methods (ISO 3613:2000)
Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys - Test methods (ISO 3613:2000)
Migrated from Progress Sheet (TC Comment) (2000-07-10): N 201: New TD (980917)
Chromatierüberzüge auf Zink, Cadmium, Aluminium-Zink- und Zink-Aluminium-Legierungen - Prüfverfahren (ISO 3613:2000)
Diese Internationale Norm legt Verfahren fest zur Bestimmung:
3 der Anwesenheit farbloser ) Chromatierüberzüge,
3 der Anwesenheit und Menge von sechswertigem Chrom in farblosen und farbigen Überzügen auf Zink, Cadmium, Legierungen aus Aluminium-Zink (mit einem Massenanteil von 55 % Aluminium) und aus Zink-Aluminium (mit einem Massenanteil von 5 % Aluminium),
3 des Gesamtchromgehalts je Flächeneinheit auf Zink und Cadmium,
3 der flächenbezogenen Masse farbloser und farbiger Überzüge,
3 der befriedigenden Haftfestigkeit von Chromatierüberzügen,
3 der Qualität eines Chromatierüberzuges.
Diese Verfahren sind anwendbar:
3 auf farblose und farbige Chromatierüberzüge, die drei- und sechswertiges Chrom in veränderlichen Anteilen enthalten und durch chemische oder elektrochemische Verfahren erzeugt wurden und
3 nur auf Chromatierüberzüge, die frei von weiteren Schichten sind, wie Öl, in Wasser oder Lösungsmittel gelösten Polymeren oder Wachs.
Couches de conversion au chromate sur zinc, cadmium et alliages d'aluminium-zinc et de zinc-aluminium - Méthodes d'essai (ISO 3613:2000)
La présente Norme internationale spécifie les méthodes pour la détermination - de la présence de couches de conversion au chromate incoloresi); - de la présence et de la quantité de chrome hexavalent dans les couches colorées et incolores sur zinc, cadmium et alliages d'aluminium (55 % en masse)-zinc et de zinc-aluminium (5 % en masse); - de la teneur totale en chrome par unité de surface sur zinc et cadmium; - de la masse par unité de surface des couches incolores et colorées; - du degré d'adhérence des couches de conversion au chromate; - de la qualité de la couche de conversion au chromate. Ces méthodes s'appliquent - aux couches de conversion au chromate incolores et colorées contenant du chrome trivalent et hexavalent en diverses proportions et produites par un procédé chimique ou électrochimique; - uniquement aux couches au chromate exemptes de tout revêtement supplémentaire tel que huile, polymère à base d'eau ou solvant, ou cire.
S kromatenjem nanesene plasti na cinku, kadmiju, zlitinah aluminij-cink in cink-aluminij - Metode preskušanja (ISO 3613:2000)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 3613:2002
01-marec-2002
1DGRPHãþD
SIST EN ISO 3613:1999
S kromatenjem nanesene plasti na cinku, kadmiju, zlitinah aluminij-cink in cink-
aluminij - Metode preskušanja (ISO 3613:2000)
Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-
aluminium alloys - Test methods (ISO 3613:2000)
Chromatierüberzüge auf Zink, Cadmium, Aluminium-Zink- und Zink-Aluminium-
Legierungen - Prüfverfahren (ISO 3613:2000)
Couches de conversion au chromate sur zinc, cadmium et alliages d'aluminium-zinc et
de zinc-aluminium - Méthodes d'essai (ISO 3613:2000)
Ta slovenski standard je istoveten z: EN ISO 3613:2001
ICS:
25.220.20 Površinska obdelava Surface treatment
SIST EN ISO 3613:2002 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN ISO 3613:2002
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SIST EN ISO 3613:2002
EUROPEAN STANDARD
EN ISO 3613
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2001
ICS 25.220.20 Supersedes EN ISO 3613:1994
English version
Chromate conversion coatings on zinc, cadmium, aluminium-
zinc alloys and zinc-aluminium alloys - Test methods (ISO
3613:2000)
Couches de conversion au chromate sur zinc, cadmium et Chromatierüberzüge auf Zink, Cadmium, Aluminium-Zink-
alliages d'aluminium-zinc et de zinc-aluminium - Méthodes und Zink-Aluminium-Legierungen - Prüfverfahren (ISO
d'essai (ISO 3613:2000) 3613:2000)
This European Standard was approved by CEN on 24 June 2001.
CEN members are bound to comply 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 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 Management Centre has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
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Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2001 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 3613:2001 E
worldwide for CEN national Members.
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SIST EN ISO 3613:2002
EN ISO 3613:2001 (E)
CORRECTED 2001-10-31
Foreword
The text of the International Standard from Technical Committee ISO/TC 107 "Metallic and
other inorganic coatings" of the International Organization for Standardization (ISO) has been
taken over as an European Standard by Technical Committee CEN/TC 262 "Metallic and
other inorganic coatings", the secretariat of which is held by BSI.
This European Standard replaces EN ISO 3613:1994.
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 February 2002, and conflicting national
standards shall be withdrawn at the latest by February 2002.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of
the following countries are bound to implement this European Standard: Austria, Belgium,
Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,
Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United
Kingdom.
Endorsement notice
The text of the International Standard ISO 3613:2000 has been approved by CEN as a
European Standard without any modification.
NOTE: Normative references to International Standards are listed in annex ZA (normative).
2
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SIST EN ISO 3613:2002
EN ISO 3613:2001 (E)
Annex ZA (normative)
Normative references to international publications
with their relevant European publications
This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions
of any of these publications apply to this European Standard only when incorporated in it by
amendment or revision. For undated references the latest edition of the publication referred to
applies (including amendments).
NOTE Where an International Publication has been modified by common modifications,
indicated by (mod.), the relevant EN/HD applies.
Publication Year Title EN Year
ISO 3892 1980 Conversion coatings on metallic EN ISO 3892 1994
materials –Determination of coating
mass per unit area –Gravimetric
methods
3
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SIST EN ISO 3613:2002
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SIST EN ISO 3613:2002
INTERNATIONAL ISO
STANDARD 3613
Second edition
2000-06-15
Chromate conversion coatings on zinc,
cadmium, aluminium-zinc alloys
and zinc-aluminium alloys — Test methods
Couches de conversion au chromate sur zinc, cadmium et alliages
d'aluminium-zinc et de zinc-aluminium — Méthodes d'essai
Reference number
ISO 3613:2000(E)
©
ISO 2000
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SIST EN ISO 3613:2002
ISO 3613:2000(E)
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ii © ISO 2000 – All rights reserved
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SIST EN ISO 3613:2002
ISO 3613:2000(E)
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 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 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 3.
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 possibility that some of the elements of this International Standard may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights.
International Standard ISO 3613 was prepared by Technical Committee ISO/TC 107, Metallic and other inorganic
coatings, Subcommittee SC 2, Methods of inspection and coordination of test methods.
This second edition cancels and replaces the first edition (ISO 3613:1980), which has been technically revised.
© ISO 2000 – All rights reserved iii
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SIST EN ISO 3613:2002
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SIST EN ISO 3613:2002
INTERNATIONAL STANDARD ISO 3613:2000(E)
Chromate conversion coatings on zinc, cadmium, aluminium-zinc
alloys and zinc-aluminium alloys — Test methods
WARNING — This International Standard calls for the use of substances and/or procedures that can be
injurious to health if adequate precautions are not taken. It refers only to technical suitability and in no way
absolves either the designer, the producer, the supplier or the user from statutory and all other legal
obligations relating to health and safety at any stage of manufacture or use.
1 Scope
This International Standard specifies methods for the determination of the
1)
� presence of colourless chromate conversion coatings;
� presence and quantity of hexavalent chromium in colourless and coloured coatings on zinc, cadmium,
aluminium (55 % mass fraction)-zinc and zinc-aluminium (5 % mass fraction) alloys;
� total chromium content per unit area on zinc and cadmium;
� mass per unit area of both colourless and coloured coatings;
� satisfactory adhesion of chromate conversion coatings;
� quality of chromate coating.
These methods are applicable
� to colourless and coloured chromate conversion coatings containing tri- and hexavalent chromium in varying
proportions and produced by either chemical or electrochemical processes;
� only to chromate coatings that are free from any supplementary coatings such as oil, water or solvent-based
polymers or wax.
1) The application of very thin, colourless, practically invisible chromate conversion coatings is frequently called "passivation",
while the application of thicker, coloured chromate conversion coatings is often called "chromating". The term passivation is not
correct and is, therefore, not recommended.
© ISO 2000 – All rights reserved 1
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SIST EN ISO 3613:2002
ISO 3613:2000(E)
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of
this International Standard. For dated references, subsequent amendments to, or revisions of, any of these
publications do not apply. However, parties to agreements based on this International Standard are encouraged to
investigate the possibility of applying the most recent editions of the normative documents indicated below. For
undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC
maintain registers of currently valid International Standards.
ISO 3892:2000, Conversion coatings on metallic materials — Determination of coating mass per unit area —
Gravimetric methods.
ISO 4520:1981, Chromate conversion coatings on electroplated zinc and cadmium coatings.
ISO 9227:1990, Corrosion tests in artificial atmospheres — Salt spray tests.
IEC 60068-2-30:1980, Environmental testing — Part 2: Tests. Test Db and guidance: Damp heat, cyclic (12 + 12
hour cycle).
3 Reagents
During the analysis, unless otherwise stated, use only reagents of recognized analytical grade and only distilled
water or water of equivalent purity.
3.1 Test solution A (see 5.2).
Dissolve 1 mg of diphenylcarbazide in a mixture of 60 ml glacial acetic acid and 40 ml distilled water contained in a
beaker. Add 15 ml of concentrated hydrochloric acid (relative density 1,18), stir and add slowly 30 ml of sodium
hypochlorite solution (10 % to 15 % available chlorine). Add 5 ml of hydrogen peroxide (30 %) slowly with
continuous stirring. Leave the solution in the open beaker for 24 h in a fume cupboard, to allow excess chlorine to
escape, before use.
NOTE The solution does not deteriorate with age and therefore can be kept in a bottle with a loosely fitting glass stopper
over a period of several months.
3.2 Test solution B (see 5.3).
.
Dissolve 50 g of lead acetate trihydrate [(CH COO) Pb 3H O] in 1 l of distilled or de-ionized water. Ensure that the
3 2 2
pH of the solution is between 5,5 and 6,8 as prepared. If the pH of the solution is outside this range, discard the
solution and obtain a new supply of lead acetate.
Any white precipitate formed during the initial preparation of the solution may be dissolved by small additions of
glacial acetic acid, provided that the pH is not reduced to a value below 5,5. Discard the stock solution if the white
precipitate does not disappear.
3.3 Test solution C (see 5.5).
Dissolve 0,4 g of diphenylcarbazide in a mixture of 20 ml acetone and 20 ml ethanol (96 %). After dissolution, add
20 ml of 75 % orthophos
...
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