SIST EN 3837:2019

SLOVENSKI STANDARD
01-november-2019
Aeronavtika - Barve in laki - Vrsta in metode priprave površine preskušancev v
aluminijevih zlitinah
Aerospace series - Paints and varnishes - Nature and methods for surface preparation of
test pieces in aluminium alloys
Luft- und Raumfahrt - Beschichtungsstoffe - Oberflächenvorbereitungstyp und -
methoden für Proben aus Aluminiumlegierungen
Série aérospatiale - Peintures et vernis - Nature et méthodes de préparation de surface
des éprouvettes en alliages d’aluminium
Ta slovenski standard je istoveten z: EN 3837:2019
ICS:
49.025.20 Aluminij Aluminium
49.040 Prevleke in z njimi povezani Coatings and related
postopki, ki se uporabljajo v processes used in aerospace
letalski in vesoljski industriji industry
87.040 Barve in laki Paints and varnishes
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 3837
EUROPEAN STANDARD
NORME EUROPÉENNE
August 2019
EUROPÄISCHE NORM
ICS 49.040
English Version
Aerospace series - Paints and varnishes - Nature and
method for surface preparation of test pieces in aluminium
alloys
Série aérospatiale - Peintures et vernis - Nature et Luft- und Raumfahrt - Beschichtungsstoffe -
méthodes de préparation de surface des éprouvettes Oberflächenvorbereitungstyp und -methoden für
en alliages d'aluminium Proben aus Aluminiumlegierungen
This European Standard was approved by CEN on 12 May 2019.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, 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
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 3837:2019 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Nature and size of test pieces . 5
5 Method of preparing the surface . 5
6 Application of coating . 5
7 Healthy, safety and environmental aspects . 7
8 Designation . 7
Annex A (informative) Solvent degreasing . 8
Annex B (informative) Chemical degreasing . 9
Annex C (informative) Standard evolution form . 10

European foreword
This document (EN 3837:2019) has been prepared by the Aerospace and Defence Industries Association
of Europe - Standardization (ASD-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member countries of
ASD, prior to its presentation to CEN.
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 2020, and conflicting national standards shall
be withdrawn at the latest by February 2020.
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.
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, France, Germany, Greece, Hungary, Iceland, Ireland,
Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United
Kingdom.
1 Scope
This document defines the nature of and the surface preparation method for test pieces in aluminium
alloys intended for testing paints and varnishes used for aerospace applications.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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.
EN 2090, Aerospace series — Aluminium alloy AL-P2024- — T3 — Clad sheet and strip —
0,3 mm ≤ a ≤ 6 mm
EN 2092, Aerospace series — Aluminium alloy AL-P7075- — T6 or T62 — Clad sheet and strip —
0,4 mm ≤ a ≤ 6 mm
EN 2101, Aerospace series — Chromic acid anodizing of aluminium and wrought aluminium alloys
EN 2284, Aerospace series — Sulphuric acid anodizing of aluminium and wrought aluminium alloys
EN 2334, Aerospace series — Chromic-sulphuric acid pickle of aluminium and aluminium alloys
...