SIST EN ISO 8501-3:2007

SLOVENSKI STANDARD
SIST EN ISO 8501-3:2007
01-oktober-2007
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Preparation of steel substrates before application of paints and related products - Visual
assessment of surface cleanliness - Part 3: Preparation grades of welds, edges and
other areas with surface imperfections (ISO 8501-3:2006)
Vorbereitung von Stahloberflächen vor dem Auftragen von Beschichtungsstoffen -
Visuelle Beurteilung der Oberflächenreinheit - Teil 3: Vorbereitungsgrade von
Schweißnähten, Kanten und anderen Flächen mit Oberflächenunregelmäßigkeiten (ISO
8501-3:2006)
Préparation des subjectiles d'acier avant application de peintures et de produits
assimilés - Évaluation visuelle de la propreté d'un subjectile - Partie 3: Degrés de
préparation des soudures, aretes et autres zones présentant des imperfections (ISO
8501-3:2006)
Ta slovenski standard je istoveten z: EN ISO 8501-3:2007
ICS:
25.220.10 Priprava površine Surface preparation
SIST EN ISO 8501-3:2007 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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EUROPEAN STANDARD
EN ISO 8501-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2007
ICS 25.220.10

English Version
Preparation of steel substrates before application of paints and
related products - Visual assessment of surface cleanliness -
Part 3: Preparation grades of welds, edges and other areas with
surface imperfections (ISO 8501-3:2006)
Préparation des subjectiles d'acier avant application de Vorbereitung von Stahloberflächen vor dem Auftragen von
peintures et de produits assimilés - Évaluation visuelle de Beschichtungsstoffen - Visuelle Beurteilung der
la propreté d'un subjectile - Partie 3: Degrés de préparation Oberflächenreinheit - Teil 3: Vorbereitungsgrade von
des soudures, arêtes et autres zones présentant des Schweißnähten, Kanten und anderen Flächen mit
imperfections (ISO 8501-3:2006) Oberflächenunregelmäßigkeiten (ISO 8501-3:2006)
This European Standard was approved by CEN on 11 July 2007.
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 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 Management Centre has the same status as the
official 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, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2007 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 8501-3:2007: E
worldwide for CEN national Members.

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EN ISO 8501-3:2007 (E)






Foreword



The text of ISO 8501-3:2006 has been prepared by Technical Committee ISO/TC 35 "Paints and
varnishes” of the International Organization for Standardization (ISO) and has been taken over
as EN ISO 8501-3:2007 by Technical Committee CEN/TC 139 "Paints and varnishes", the
secretariat of which is held by DIN.

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 January 2008, and conflicting national
standards shall be withdrawn at the latest by January 2008.

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, Greece,
Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United
Kingdom.



Endorsement notice

The text of ISO 8501-3:2006 has been approved by CEN as EN ISO 8501-3:2007 without any
modifications.

2

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INTERNATIONAL ISO
STANDARD 8501-3
Second edition
2006-03-01

Preparation of steel substrates before
application of paints and related
products — Visual assessment of surface
cleanliness —
Part 3:
Preparation grades of welds, edges and
other areas with surface imperfections
Préparation des subjectiles d'acier avant application de peintures et de
produits assimilés — Évaluation visuelle de la propreté d'un
subjectile —
Partie 3: Degrés de préparation des soudures, arêtes et autres zones
présentant des imperfections





Reference number
ISO 8501-3:2006(E)
©
ISO 2006

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ISO 8501-3:2006(E)
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ii © ISO 2006 – All rights reserved

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ISO 8501-3:2006(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 2.
The main task of technical committees is to prepare International Standards. 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 document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 8501-3 was prepared by Technical Committee ISO/TC 35, Paints and varnishes, Subcommittee SC 12,
Preparation of steel substrates before application of paints and related products.
This second edition cancels and replaces the first edition (ISO 8501-3:2001). The main changes are:
⎯ revision of the description of preparation grade P1 in Clause 4 and the preparation grades for welding
spatter and undercut in Table 1;
⎯ replacement of the phrases “as found”, “as welded”, etc., with “no preparation”;
⎯ deletion of Annex A “Correlation between preparation grades and corrosivity categories”.
ISO 8501 consists of the following parts, under the general title Preparation of steel substrates before
application of paints and related products — Visual assessment of surface cleanliness:
⎯ Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after
overall removal of previous coatings
⎯ Informative Supplement to Part 1: Representative photographic examples of the change of appearance
imparted to steel when blast-cleaned with different abrasives
⎯ Part 2: Preparation grades of previously coated steel substrates after localized removal of previous
coatings
⎯ Part 3: Preparation grades of welds, edges and other areas with surface imperfections
⎯ Part 4: Initial surface conditions, preparation grades and flash rust grades in connection with high-
pressure water jetting
© ISO 2006 – All rights reserved iii

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