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SLOVENSKI STANDARD
01-junij-2022
Aeronavtika - Kovinski materiali - Pravila za pripravo in predstavitev standardov o
preskusnih metodah
Aerospace series - Metallic materials - Rules for drafting and presentation of test method
standards
Luft- und Raumfahrt - Metallische Werkstoffe - Regeln für die Erstellung und Gestaltung
von Normen über Prüfverfahren
Série aérospatiale - Matériaux métalliques - Règles pour la rédaction et la présentation
des normes de méthodes d'essais
Ta slovenski standard je istoveten z: EN 4261:2022
ICS:
49.025.05 Železove zlitine na splošno Ferrous alloys in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 4261
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2022
EUROPÄISCHE NORM
ICS 49.025.05; 49.025.15
English Version
Aerospace series - Metallic materials - Rules for drafting
and presentation of test method standards
Série aérospatiale - Matériaux métalliques - Règles Luft- und Raumfahrt - Metallische Werkstoffe - Regeln
pour la rédaction et la présentation des normes de für die Abfassung und Gestaltung von Prüfnormen über
méthodes d'essais Prüfverfahren
This European Standard was approved by CEN on 18 November 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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4261:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Framework and structure . 5
4.1 General . 5
4.2 Required elements . 5
5 Content . 6
5.1 Title . 6
5.2 Introduction . 6
5.3 Clause 1: Scope . 7
5.4 Clause 2: Normative references . 7
5.5 Clause 3: Terms and definitions . 7
5.6 Clause 4: Health and safety . 8
5.7 Clause 5: Principle . 8
5.8 Clause 6: Testing requirements . 8
5.9 Clause 7: Test report . 10
Annex A (informative) Examples of equipment/plant descriptions to be included in
Subclause 6.1.1 . 12
A.1 Mechanical testing . 12
A.2 Non-destructive testing . 12
A.3 Macrographic/Micrographic . 13
A.4 Chemical . 13
A.5 Corrosion testing/stress corrosion testing . 13
Annex B (informative) Examples of materials/reagents to be included in Subclause 6.1.2 . 14
B.1 Mechanical testing . 14
B.2 Non-destructive testing . 14
B.3 Macrographic/Micrographic . 14
B.4 Chemical . 14
B.5 Corrosion testing/stress corrosion testing . 15
European foreword
This document (EN 4261:2022) 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-STAN, 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 October 2022, and conflicting national standards shall
be withdrawn at the latest by October 2022.
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.
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.
Introduction
This document is part of the series of EN metallic material standards for aerospace applications.
The general organization of this series is described in EN 4258.
1 Scope
This document specifies the rules for the drafting and presentation of test method standards.
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 4179, Aerospace series — Qualification and approval of personnel for non-destructive testing
EN 4258, Aerospace series —Metallic materials — General organization of standardization — Links
between types of EN standards and their use
EN 4259, Aerospace series — Metallic materials — Definition of general terms
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• ISO Online browsing platform: available at
• IEC Electropedia: available at
4 Framework and structure
4.1 General
Where necessary, the test method standard may be subdivided into several parts (e.g. EN XXXX-001,
EN XXXX-002, etc.).
In such cases, all general requirements shall be incorporated in Part 001 (general part) and the specific
requirement in Part 002 onwards (specific parts).
4.2 Required elements
The test method standard shall include the following elements in the given order:
a) Title;
b) Introduction;
c) Clause – 1 Scope;
d) Clause – 2 Normative references;
e) Clause – 3 Terms and definitions;
f) Clause – 4 Health and safety;
g) Clause – 5 Principle;
h) Clause – 6 Testing requirements;
Published as ASD-STAN Standard at the date of publication of this document (see www.asd-stan.org).
6.1 Resources;
6.2 Test samples/test pieces;
6.3 Testing procedures;
6.4 Expression of results;
i) Clause – 7 Test report.
5 Content
Standard sentences, placed in a frame, are listed below for the different clauses of the test method
standard and are mandatory.
When necessary, further information is indicated in italics.
5.1 Title
The title shall give sufficient information to unambiguously identify the subject of the standard.
5.1.1 General part
Where necessary, the title should also identify the semi-finished products and the family(ies) of metallic
materials to which that test method applies.
EXAMPLE
Aerospace series
Metallic materials (except where the test method is applicable to a specific family of metallic
materials, in which case it shall be stated, e.g. steel.)
Test method
Complete with the type of test method, e.g. creep testing, eddy current test.
Part 001: General requirements
(when required if the test method comprises more than one part)
5.1.2 Specific part
EXAMPLE
Aerospace series
Metallic materials (except where the test method is applicable to a specific family of metallic
materials, in which case it shall be stated, e.g. steel.)
Test method
Complete with the type of test method, e.g. creep testing, eddy current test.
Part X (e.g. resources, test samples/test pieces, calibration procedure, test procedure.)
5.2 Introduction
EXAMPLE
Introduction
This document is part of the series of EN metallic material standards for aerospace applications.
The general organization of this series is described in EN 4258.
5.3 Clause 1: Scope
In this clause the scope and application limits of the test method shall be stated.
5.3.1 General part
EXAMPLE
1 Scope
This document specifies the general requirements for the ……………. (e.g. ultrasonic testing) of metallic
materials (e.g. steel, or titanium) for aerospace applications.
Additional information, e.g. limits of method or dimensions of the specimens may be added if necessary.
Specific requirements relating to ……………. (prodecures) are given in Part 002 onwards (if applicable).
It shall be applied when referred to in the EN technical specification or material standard unless
otherwise specified on the drawing, order or inspection schedule.
5.3.2 Specific part
EXAMPLE
1 Scope
This document specifies the requirements for ……………. (test procedure) during (e.g. tensile testing,
ultrasonic testing) of metallic materials (e.g. steel) for aerospace applications.
It shall be applied in conjunction with EN XXXX-001 (insert EN number of the general part)
5.4 Clause 2: Normative references
EXAMPLE
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.
(Followed by the list of documents, give their titles, to which reference is made in the text).
5.5 Clause 3: Terms and definitions
5.5.1 General part
If no extra definitions to those given in EN 4259 are required:
EXAMPLE
3 Terms and definitions
For the purpose of this document, the terms and definitions given in EN 4259 apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• ISO Online browsing platform: available at https://www.iso.org/
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