Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting corrosion - Chart method (ISO 8993:2018)

This document specifies a chart rating system based on standard charts that provides a means of defining levels of performance of anodic oxidation coatings on aluminium and its alloys that have been subjected to corrosion tests.
This rating system is applicable to pitting corrosion resulting from
—          accelerated tests,
—          exposure to corrosive environments, and
—          practical service tests.
This document takes into account only pitting corrosion resulting from penetration of the protective anodic oxidation coating.

Anodisieren von Aluminium und Aluminiumlegierungen - Bewertungssystem für Lochkorrosion - Richtreihenmethode (ISO 8993:2018)

Anodisation de l'aluminium et de ses alliages - Système de cotation de la corrosion par piqûres - Méthode reposant sur des images-types (ISO 8993:2018)

Le présent document spécifie un système de cotation basé sur des images-types qui permet de définir des niveaux de performance de couches anodiques déposées sur l'aluminium et ses alliages, soumises à des essais de corrosion.
Ce système de cotation s'applique à la corrosion par piqûres résultant
—          d'essais accélérés,
—          de l'exposition à des milieux corrosifs, et
—          d'essais pratiques en service.
Le présent document ne tient compte que de la corrosion par piqûres résultant de la pénétration de la couche anodique de protection.

Anodizacija aluminija in aluminijevih zlitin - Ocenjevalni sistem za vrednotenje jamičaste korozije - Tabelarična metoda (ISO 8993:2018)

Ta dokument določa tabelarični ocenjevalni sistem na osnovi standardnih tabel, ki omogoča opredelitev ravni učinkovitosti anodno oksidiranih prevlek na aluminiju in aluminijevih zlitinah, ki so bile preskušene glede odpornosti proti koroziji.
Ta ocenjevalni sistem se uporablja za jamičasto korozijo, ki nastane kot posledica
– pospešenih preskusov,
– izpostavljenosti v korozivnem okolju in
– praktičnih delovnih preskusov.
Ta dokument obravnava samo jamičasto korozijo, ki je posledica prodiranja zaščitne anodno oksidirane prevleke.
OPOMBA: Standard ISO 8994[1] opisuje podoben ocenjevalni sistem, ki temelji na opredeljenih mrežah.

General Information

Status
Published
Publication Date
23-Oct-2018
Withdrawal Date
29-Apr-2019
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
24-Oct-2018
Completion Date
24-Oct-2018

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 8993:2018
01-december-2018
1DGRPHãþD
SIST EN ISO 8993:2010
$QRGL]DFLMDDOXPLQLMDLQDOXPLQLMHYLK]OLWLQ2FHQMHYDOQLVLVWHP]DYUHGQRWHQMH
MDPLþDVWHNRUR]LMH7DEHODULþQDPHWRGD ,62
Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting
corrosion - Chart method (ISO 8993:2018)
Anodisieren von Aluminium und Aluminiumlegierungen - Bewertungssystem für
Lochkorrosion - Richtreihenmethode (ISO 8993:2018)
Anodisation de l'aluminium et de ses alliages - Système de cotation de la corrosion par
piqûres - Méthode reposant sur des images-types (ISO 8993:2018)
Ta slovenski standard je istoveten z: EN ISO 8993:2018
ICS:
25.220.20 Površinska obdelava Surface treatment
77.120.10 Aluminij in aluminijeve zlitine Aluminium and aluminium
alloys
SIST EN ISO 8993:2018 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 8993:2018

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SIST EN ISO 8993:2018


EN ISO 8993
EUROPEAN STANDARD

NORME EUROPÉENNE

October 2018
EUROPÄISCHE NORM
ICS 25.220.20; 77.060 Supersedes EN ISO 8993:2010
English Version

Anodizing of aluminium and its alloys - Rating system for
the evaluation of pitting corrosion - Chart method (ISO
8993:2018)
Anodisation de l'aluminium et de ses alliages - Système Anodisieren von Aluminium und
de cotation de la corrosion par piqûres - Méthode Aluminiumlegierungen - Bewertungssystem für
reposant sur des images-types (ISO 8993:2018) Lochkorrosion - Richtreihenmethode (ISO 8993:2018)
This European Standard was approved by CEN on 17 October 2018.

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 CEN-CENELEC 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 same 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,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 8993:2018 E
worldwide for CEN national Members.

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SIST EN ISO 8993:2018
EN ISO 8993:2018 (E)
Contents Page
European foreword . 3

2

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SIST EN ISO 8993:2018
EN ISO 8993:2018 (E)
European foreword
This document (EN ISO 8993:2018) has been prepared by Technical Committee ISO/TC 79 "Light
metals and their alloys" in collaboration with Technical Committee CEN/TC 132 “Aluminium and
aluminium alloys” the secretariat of which is held by AFNOR.
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 April 2019, and conflicting national standards shall be
withdrawn at the latest by April 2019.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 8993:2010.
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 Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 8993:2018 has been approved by CEN as EN ISO 8993:2018 without any modification.


3

--------------
...

SLOVENSKI STANDARD
oSIST prEN ISO 8993:2018
01-januar-2018
$QRGL]DFLMDDOXPLQLMDLQDOXPLQLMHYLK]OLWLQ2FHQMHYDOQLVLVWHP]DYUHGQRWHQMH
MDPLþDVWHNRUR]LMH7DEHODULþQDPHWRGD ,62',6
Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting
corrosion - Chart method (ISO/DIS 8993:2017)
Anodisieren von Aluminium und Aluminiumlegierungen - Bewertungssystem für
Lochkorrosion - Richtreihenmethode (ISO/DIS 8993:2017)
Anodisation de l'aluminium et de ses alliages - Système de cotation de la corrosion par
piqûres - Méthode reposant sur des images-types (ISO/DIS 8993:2017)
Ta slovenski standard je istoveten z: prEN ISO 8993
ICS:
25.220.20 Površinska obdelava Surface treatment
77.120.10 Aluminij in aluminijeve zlitine Aluminium and aluminium
alloys
oSIST prEN ISO 8993:2018 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN ISO 8993:2018

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oSIST prEN ISO 8993:2018
DRAFT INTERNATIONAL STANDARD
ISO/DIS 8993
ISO/TC 79/SC 2 Secretariat: JISC
Voting begins on: Voting terminates on:
2017-10-27 2018-01-19
Anodizing of aluminium and its alloys — Rating system for
the evaluation of pitting corrosion — Chart method
Anodisation de l'aluminium et de ses alliages — Système de cotation de la corrosion par piqûres —
Méthode reposant sur des images-types
ICS: 25.220.20; 77.060
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 8993:2017(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
©
PROVIDE SUPPORTING DOCUMENTATION. ISO 2017

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oSIST prEN ISO 8993:2018
ISO/DIS 8993:2017(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2017, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
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Tel. +41 22 749 01 11
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copyright@iso.org
www.iso.org
ii © ISO 2017 – All rights reserved

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oSIST prEN ISO 8993:2018
ISO/DIS 8993:2017(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Procedure for rating . 1
4.1 Preparation of test specimen . 1
4.2 Determination of chart rating . 2
5 Expression of results . 3
6 Test report .
...

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