EN 4258:2024

SLOVENSKI STANDARD
01-oktober-2024
Aeronavtika - Kovinski materiali - Splošna organizacija standardizacije - Povezava
med vrstami evropskih standardov in njihovo uporabo
Aerospace series - Metallic materials - General organization of standardization - Link
between types of European Standards and their use
Luft- und Raumfahrt - Metallische Werkstoffe - Allgemeine Gliederung der Normung -
Verknüpfung der Arten von Europäischen Normen und ihre Anwendung
Série aérospatiale - Matériaux métalliques - Organisation générale de la normalisation -
Liens entre les types de Normes Européennes et leur utilisation
Ta slovenski standard je istoveten z: EN 4258:2024
ICS:
01.120 Standardizacija. Splošna Standardization. General
pravila rules
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 4258
EUROPEAN STANDARD
NORME EUROPÉENNE
August 2024
EUROPÄISCHE NORM
ICS 01.120; 49.025.05; 49.025.15 Supersedes EN 4258:1998
English Version
Aerospace series - Metallic materials - General
organization of standardization - Link between types of
European Standards and their use
Série aérospatiale - Matériaux métalliques - Luft- und Raumfahrt - Metallische Werkstoffe -
Organisation générale de la normalisation - Liens entre Allgemeine Gliederung der Normung - Verknüpfung
les types de normes européennes et leur utilisation der Arten von Europäischen Normen und ihre
Anwendung
This European Standard was approved by CEN on 3 June 2024.

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, Türkiye 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
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4258:2024 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 6
4 Levels of European standards . 6
4.1 General. 6
4.2 General standard (level 0) . 6
4.3 Basic standards (level 1) . 7
4.4 Standards specifying rules (level 2) . 7
4.5 Semi-finished product definition documents (level 3) . 7
4.5.1 Material standards . 7
4.5.2 Technical specifications . 7
4.5.3 Test method standards . 8
4.5.4 Dimensional standards . 8
4.5.5 Designation standards for semi-finished products . 8
4.5.6 Technical reports . 8
4.6 Supplementary standards for quality assurance (level 4) . 8
5 Links between European standards and their use . 9
5.1 Requirements for level 1, 2 and 4 standards . 9
5.2 Requirements for level 3 standards . 9
5.3 Technical reports . 9
Annex A (normative) New organization for aerospace standards related to metallic materials . 10
Annex B (normative) Use of the relevant material standard . 12
Annex C (normative) Intermediate procedure . 13
Bibliography . 15

European foreword
This document (EN 4258:2024) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this document 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 document shall be given the status of a national standard, either by publication of an identical text
or by endorsement, at the latest by February 2025, and conflicting national standards shall be
withdrawn at the latest by February 2025.
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 4258:1998.
The main changes with respect to the previous edition are as follows:
— EN 4258 (P1), 08/1998 — This revision is to allow to write filler metal standards in only one
document.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this document: 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, Türkiye and the United
Kingdom.
Introduction
For the purpose of the standardization of metallic materials, ASD-STAN had originally based the
organization of this standardization on a system which provided strong interlinks between a material
standard referring to EN 2500 and its supporting standards.
Since these links did not allow the partial use of the supporting standards, the following amendments
have been introduced to ensure that:
— strongly interlinked standards are limited to those strictly necessary to ensure coherency;
— other standards may be either used, or replaced by standards of another origin, at the purchaser's
discretion.
The basic change in these links is that the dimensional standards and designation standard for semi-
finished products, where applicable, have been dissociated from the material standard. Additionally,
product qualification procedures are being introduced.
Pending the updating of the standards, these two organizations exist in parallel:
— the original one described by EN 2500;
— the new one described in this document (see Annex A and Annex B).
To enable progressive updating of the standards, an intermediate procedure is to be followed, as
described in Annex C, pending full introduction of the new organization.
1 Scope
This document specifies the general organization of metallic material standards for aerospace
applications, their links with other types of European standards and their use.
It corresponds to level 0 (see 4.2).
From the date of publication of this document, specifications for different welding and brazing products
can be written in only one standard instead of separated material standards. Already existing material
standards for filler metals for welding and for brazing can continue to follow this organization.
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 2032-001, Aerospace series — Metallic materials — Part 001: Conventional designation
EN 2032-2, Aerospace series — Metallic materials — Part 2: Coding of metallurgical condition in delivery
condition
EN 2043, Aerospace series — Metallic materials — General requirements for semi-finished product
qualification (excluding forgings and castings)
EN 2078, Aerospace series — Metallic materials — Manufacturing schedule, inspection schedule,
inspection and test report — Definition, general principles, preparation and approval
EN 4000, Aerospace series — Metallic materials — Rules for the drafting and presentation of dimensional
standards for metallic semi-finished products
EN 4179, Aerospace series — Qualification and approval of personnel for non-destructive testing
EN 4259, Aerospace series — Metallic materials — Definition of general terms
EN 4260, Aerospace series — Metallic materials — Rules for drafting and presentation of technical
specifications
EN 4261, Aerospace series — Metallic materials — Rules for drafting and presentation of test method
standards
EN 4268, Aerospace series — Metallic materials — Heat treatment facilities — General requirements
EN 4500 (all parts), Aerospace series — Metallic materials — Rules for drafting and presentation of
material standards
TR 2410, Aerospace series — Metallic materials — Relationship between dimensional standards and
material standards
Published as ASD-STAN TR, available at: https://www.asd-stan.org/.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp/
— IEC Electropedia: available at https://www.electropedia.org/
3.1
family of metallic materials
group of metallic materials characterized by a base element or a group of base elements in several
different semi-finished product forms
Note 1 to entry: These product forms may consist of the following families:
a) aluminium and aluminium alloys;
b) magnesium alloys;
c) heat resisting alloys (nickel or cobalt or iron base);
d) titanium and titanium alloys;
e) steels;
f) filler metals for brazing.
3.2
semi-finished product
generic term used to indicate that the material as supplied does not necessarily have any relation to the
exact form, dimensions or condition in which that material is used as a final component
Note 1 to entry: This term may refer to one of the following types:
a) wrought products (e.g. bars, sheets, sections) or cast products (e.g. rod, amorphous brazing foil)
characterized by their form within a range of standardized dimensions;
b) products of non-standardized form and dimensions produced by the same metallurgical technique
(e.g. forging stock, remelting stock);
c) blanks manufactured from the products stated above, of non-standardized form and dimensions
(e.g. forgings, castings).
4 Levels of European standards
4.1 General
This document defines five levels of European standards, numbered from 0 to 4 (see Annex A).
For the intermediate procedure, see Annex C.
4.2 General standard (level 0)
Explanatory standard for the organization of the whole collection: this document.

4.3 Basic standards (level 1)
They define the wording and/or specify conventional rules that provide the basis of understanding
between the writer and the user of standards specifying rules (see 4.4) and semi-finishe
...