EN 4574:2020

SLOVENSKI STANDARD
01-april-2020
Aeronavtika - Toplotno odporna zlitina X12CrNiCoMoW21-20 - Topilno žarjena in
izločevalno utrjena - Izkovki - De ≤ 100 mm
Aerospace series - Heat resisting alloy X12CrNiCoMoW21-20 - Solution treated and
precipitation treated - Forgings - De ≤ 100 mm
Luft- und Raumfahrt - Hochwarmfeste Legierung X12CrNiCoMoW21-20 -
Lösungsgeglüht und ausscheidungsgehärtet - Schmiedestücke - De ≤ 100 mm
Série aérospatiale - Alliage résistant à chaud X12CrNiCoMoW21-20 - Mis en solution et
précipité - Pièces forgées ou matricées - De ≤ 100 mm
Ta slovenski standard je istoveten z: EN 4574:2020
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 4574
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2020
EUROPÄISCHE NORM
ICS 49.025.05
English Version
Aerospace series - Heat resisting alloy X12CrNiCoMoW21-
20 - Solution treated and precipitation treated - Forgings -
De ≤ 100 mm
Série aérospatiale - Alliage résistant à chaud Luft- und Raumfahrt - Hochwarmfeste Legierung
X12CrNiCoMoW21-20 - Mis en solution et précipité - X12CrNiCoMoW21-20 - Lösungsgeglüht und
ausgelagert - Gesenk-und Freiformschmiedestücke - De
Pièces forgées et pièces matricées - De ≤ 100 mm
≤ 100 mm
This European Standard was approved by CEN on 8 December 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.

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United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

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© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4574:2020 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 Requirements . 5
Bibliography . 8

European foreword
This document (EN 4574:2020) 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 August 2020, and conflicting national standards shall be
withdrawn
...