EN 4631:2024

SLOVENSKI STANDARD
oSIST prEN 4631:2021
01-september-2021
Aeronavtika - Jeklo X4CrNiMo16-5-1 (1.4418) - Taljeno - Utrjeno in mehko žarjeno -
Palice - De =< 200 mm - 900 MPa =< Rm =< 1050 MPa
Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air melted - Hardened and
tempered - Bars - De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1 050 MPa
Luft- und Raumfahrt - Stahl X4CrNiMo16-5-1 (1.4418) - Lufterschmolzen - Gehärtet- und
angelassen - Stangen - De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1 050 MPa
Série aérospatiale - Acier X4CrNiMo16 (1.4418) - Élaboré à l'air - Trempé et revenu -
Barres - De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1 050 MPa
Ta slovenski standard je istoveten z: prEN 4631
ICS:
49.025.10 Jekla Steels
oSIST prEN 4631:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN 4631:2021
oSIST prEN 4631:2021
DRAFT
EUROPEAN STANDARD
prEN 4631
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2021
ICS 49.025.10 Will supersede EN 4631:2013
English Version
Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air
melted - Hardened and tempered - Bars - De ≤ 200 mm -
900 MPa ≤ Rm ≤ 1 050 MPa
Série aérospatiale - Acier X4CrNiMo16 (1.4418) - Luft- und Raumfahrt - Stahl X4CrNiMo16-5-1 (1.4418)
- Lufterschmolzen - Gehärtet- und angelassen - Stangen
Élaboré à l'air - Trempé et revenu - Barres - De ≤ 200
- De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1 050 MPa
mm - 900 MPa ≤ Rm ≤ 1 050 MPa
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee ASD-
STAN.
If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 4631:2021 E
worldwide for CEN national Members.

oSIST prEN 4631:2021
prEN 4631:2021 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 6
Annex A (informative) Standard evolution form . 9
Bibliography . 10

oSIST prEN 4631:2021
prEN 4631:2021 (E)
European foreword
This document (prEN 4631:2021) 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 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 is currently submitted to the CEN Enquiry.
This document will supersede EN 4631:2013.
oSIST prEN 4631:2021
prEN 4631:2021 (E)
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.
This document has been prepared in accordance with EN 4500-005.
oSIST prEN 4631:2021
prEN 4631:2021 (E)
1 Scope
This document specifies the requirements relating to:
Steel X4CrNiMo16-5-1 (1.4418)
Air melted
Hardened and tempered
Bars
D ≤ 200 mm
e
900 MPa ≤ R ≤ 1 050 MPa
m
for aer
...