EN 3161:2026
(Main)Aerospace series - Steel X5CrNiCu17-4 (1.4542) - Air melted - Solution treated and precipitation treated - Bars - a or D ≤ 200 mm - Rm ≥ 930 MPa
Aerospace series - Steel X5CrNiCu17-4 (1.4542) - Air melted - Solution treated and precipitation treated - Bars - a or D ≤ 200 mm - Rm ≥ 930 MPa
This document specifies the requirements relating to:
Steel X5CrNiCu17-4 (1.4542)
Air melted
Solution treated and precipitation treated
Bars
a or D ≤ 200 mm
Rm ≥ 930 MPa
for aerospace applications.
W.nr: 1.4542.
ASD-STAN: FE-PM3801.
Luft- und Raumfahrt - Stahl X5CrNiCu17-4 (1.4542) - Lufterschmolzen - Lösungsgeglüht und ausscheidungsgehärtet - Stangen - a oder D ≤ 200 mm - Rm ≥ 930 MPa
Dieses Dokument legt die Anforderungen an:
Stahl X5CrNiCu17 4 (1.4542)
Lufterschmolzen
Lösungsgeglüht und ausscheidungsgehärtet
Stangen
a oder D ≤ 200 mm
Rm ≥ 930 MPa
für Anwendungen in der Luft- und Raumfahrt fest.
Werkstoffnummer: 1.4542.
ASD-STAN-Bezeichnung: FE-PM3801.
Série aérospatiale - Acier X5CrNiCu17-4 (1.4542) - Élaboré à l'air - Mis en solution et précipité - Barres - a ou D ≤ 200 mm - Rm ≥ 930 MPa
Le présent document spécifie les exigences relatives à :
Acier X5CrNiCu17-4 (1.4542)
Élaboré à l'air
Mis en solution et précipité
Barres
a ou D ≤ 200 mm
Rm ≥ 930 MPa
pour les applications aérospatiales.
W.nr : 1.4542.
ASD-STAN : FE-PM3801.
Aeronavtika - Jeklo X5CrNiCu17-4 (1.4542) - Taljeno - Topilno žarjeno in izločevalno utrjeno - Palice - a ali D ≤ 200 mm - Rm ≥ 930 MPa
General Information
- Status
- Published
- Publication Date
- 19-May-2026
- Technical Committee
- ASD-STAN - Aerospace
- Drafting Committee
- ASD-STAN/D 4/S 3 - Steels & Heat Resisting Alloys
- Current Stage
- 6060 - Definitive text made available (DAV) - Publishing
- Start Date
- 20-May-2026
- Completion Date
- 20-May-2026
Relations
- Effective Date
- 18-Jan-2023
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
Overview
EN 3161:2026 is a European standard developed by CEN for the aerospace sector, specifically addressing steel X5CrNiCu17-4 (1.4542) in bar form. This standard details requirements for bars that are air melted, solution treated, and precipitation treated, with either a cross-section or diameter (a or D) of up to 200 mm and a minimum tensile strength (Rm) of 930 MPa. The primary application is in aerospace manufacturing, where high-performance stainless steel components are essential for safety, reliability, and performance.
The current edition supersedes EN 3161:2007 and reflects updates on material designation, compliance with EN 4500 series specifications, and improvements in clarity and format. EN 3161:2026 supports consistency, traceability, and interoperability across the European aerospace supply chain.
Key Topics
- Material Specification: Defines the chemical composition and mechanical property requirements for X5CrNiCu17-4 (1.4542) stainless steel bars, ensuring uniformity in aerospace applications.
- Manufacturing Processes:
- Air melted production method
- Solution treated and precipitation treated conditions for enhanced mechanical performance
- Dimensional Limits: Bars with a cross-section or diameter (a or D) not exceeding 200 mm
- Mechanical Properties: Minimum tensile strength of 930 MPa, ensuring suitability for demanding aerospace functions
- Quality Assurance:
- Requirements for microstructure, grain size, and inclusion content
- Non-destructive testing such as ultrasonic testing (UT) and visual testing (VT)
- Marking and dimensional inspection for traceability
- Conformance and Qualification: Guidance on product qualification in line with EN 2043 and EN 4700-002 to ensure reliability
Applications
EN 3161:2026 is especially relevant for manufacturers and suppliers within the aerospace industry who require high-strength, corrosion-resistant steel bars for critical components. Typical uses include:
- Structural parts exposed to high mechanical stress
- Fasteners, shafts, and landing gear components
- Any application where tight tolerances and consistent material quality are vital
The standard assures manufacturers that the specified bars meet rigorous European aerospace material requirements, improving safety, performance, and lifecycle reliability of aerospace products. Adoption of EN 3161:2026 also facilitates market access and harmonized sourcing throughout the industry.
Related Standards
- EN 2043: Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings)
- EN 4436: Aerospace series - Steel - Test methods - Determination of δ ferrite content
- EN 4700-002: Aerospace series - Steel and heat resisting alloys - Wrought products - Technical specification - Bars and sections
- EN 4258: Aerospace series - General organization of standardization for metallic materials
- EN 4500 series: Guidelines on drafting and presenting material standards for steels
By adhering to EN 3161:2026, organizations align with the latest best practices and technical requirements for aerospace-grade stainless steel bars, ensuring compatibility with international quality expectations and supporting robust supply chain integration.
For detailed implementation, manufacturers are advised to consult the official EN 3161:2026 document and referenced standards for comprehensive technical directions and compliance steps.
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Frequently Asked Questions
EN 3161:2026 is a draft published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Steel X5CrNiCu17-4 (1.4542) - Air melted - Solution treated and precipitation treated - Bars - a or D ≤ 200 mm - Rm ≥ 930 MPa". This standard covers: This document specifies the requirements relating to: Steel X5CrNiCu17-4 (1.4542) Air melted Solution treated and precipitation treated Bars a or D ≤ 200 mm Rm ≥ 930 MPa for aerospace applications. W.nr: 1.4542. ASD-STAN: FE-PM3801.
This document specifies the requirements relating to: Steel X5CrNiCu17-4 (1.4542) Air melted Solution treated and precipitation treated Bars a or D ≤ 200 mm Rm ≥ 930 MPa for aerospace applications. W.nr: 1.4542. ASD-STAN: FE-PM3801.
EN 3161:2026 is classified under the following ICS (International Classification for Standards) categories: 49.025.10 - Steels. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 3161:2026 has the following relationships with other standards: It is inter standard links to EN 3161:2007, EN 4040:2006, EN 4613:2009, EN 6096:2019, EN 2287:2022, EN 4854-1:2019, EN 2585:2019, EN 4537-2:2009, EN 4854-2:2019, EN 6097:2019, EN 2584:2019, EN 4266:2013, EN 4538-003:2010, EN 4613:2021, EN 4632-004:2012. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 3161:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 3161:2024
01-september-2024
Nadomešča:
SIST EN 3161:2007
Aeronavtika - Jeklo X5CrNiCu17-4 (1.4542) - Taljeno - Topilno žarjeno in
izločevalno utrjeno - Palice - a ali D ≤ 200 mm - Rm ≥ 930 MPa
Aerospace series - Steel X5CrNiCu17-4 (1.4542) - Air melted - Solution treated and
precipitation treated - Bars - a or D ≤ 200 mm - Rm ≥ 930 MPa
Luft- und Raumfahrt - Stahl X5CrNiCu17-4 (1.4542) - Lufterschmolzen - Lösungsgeglüht
und ausgehärtet - Stangen - a oder D ≤ 200 mm - Rm ≥ 930 MPa
Série aérospatiale - Acier X5CrNiCu17-4 (1.4542) - Élaboré à l'air - Mis en solution et
précipité - Barres - a ou D ≤ 200 mm - Rm ≥ 930 MPa
Ta slovenski standard je istoveten z: prEN 3161
ICS:
49.025.10 Jekla Steels
oSIST prEN 3161:2024 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
oSIST prEN 3161:2024
oSIST prEN 3161:2024
DRAFT
EUROPEAN STANDARD
prEN 3161
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2024
ICS 49.025.10 Will supersede EN 3161:2007
English Version
Aerospace series - Steel X5CrNiCu17-4 (1.4542) - Air
melted - Solution treated and precipitation treated - Bars -
a or D 200 mm - Rm 930 MPa
Série aérospatiale - Acier X5CrNiCu17-4 (1.4542) - Luft- und Raumfahrt - Stahl X5CrNiCu17-4 (1.4542) -
Élaboré à l'air - Mis en solution et précipité - Barres - a Lufterschmolzen - Lösungsgeglüht und ausgehärtet -
ou D 200 mm - Rm 930 MPa Stangen - a oder D 200 mm - Rm 930 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, Türkiye 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
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 3161:2024 E
worldwide for CEN national Members.
oSIST prEN 3161:2024
prEN 3161:2024 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 5
Bibliography . 9
oSIST prEN 3161:2024
prEN 3161:2024 (E)
European foreword
This document (prEN 3161:2024) 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 is currently submitted to the CEN Enquiry.
This document will supersede EN 3161:2007.
The main changes with respect to the previous edition are as follows:
— update of the material designation;
— corr
...