Aerospace series - Steel X15CrNi17-3 (1.4057) - Air melted - Hardened and tempered - Bars for machining - De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1 100 MPa

This document specifies the requirements relating to:
Steel X15CrNi17-3 (1.4057)
Air melted
Hardened and tempered
Bars for machining
De ≤ 200 mm
900 MPa ≤ Rm ≤ 1 100 MPa
for aerospace applications.
NOTE   ASD-STAN designation: FE-PM3901
Material number: 1.4057

Luft- und Raumfahrt - Stahl X15CrNi17-3 (1.4057) - Lufterschmolzen - Gehärtet und angelassen - Stangen zur spanenden Bearbeitung - De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1 100 MPa

Dieses Dokument legt die Anforderungen an:
Stahl X15CrNi17 3 (1.4057)
Lufterschmolzen
Gehärtet und angelassen
Stangen zur spanenden Bearbeitung
De ≤ 200 mm
900 MPa ≤ Rm ≤ 1 100 MPa
für Anwendungen in der Luft- und Raumfahrt fest.
ASD STAN Bezeichnung: FE PM3901
Werkstoffnummer: 1.4057

Série aérospatiale - Acier X15CrNi17-3 (1.4057) - Élaboré à l’air - Trempé et revenu - Barres pour usinage - De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1 100 MPa

Le présent document spécifie les exigences relatives à :
Acier X15CrNi17-3 (1.4057)
Élaboré à l’air
Trempé et revenu
Barres pour usinage
De ≤ 200 mm
900 MPa ≤ Rm ≤ 1 100 MPa
pour les applications aérospatiales.
Désignation ASD-STAN : FE-PM3901
Numéro de matériau : 1.4057

Aeronavtika - Jeklo X15CrNi17-3 (1.4057) - Taljeno - Utrjeno in mehko žarjeno - Palice za obdelavo - De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1 100 MPa

Ta dokument določa zahteve, ki se navezujejo na: jeklo X15CrNi17-3 (1.4057), taljeno, utrjeno in mehko žarjeno, palice za obdelavo, De ≤ 200 mm, 900 MPa ≤ Rm ≤ 1100 MPa za uporabo v aeronavtiki. OPOMBA: Oznaka ASD-STAN: FE-PM3901. Številka materiala: 1.4057.

General Information

Status
Published
Public Enquiry End Date
18-Sep-2024
Publication Date
23-Sep-2025
Technical Committee
I13 - Imaginarni 13
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
18-Sep-2025
Due Date
23-Nov-2025
Completion Date
24-Sep-2025

Relations

Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
22-May-2024

Overview

SIST EN 3490:2025 is a European Standard published by CEN for the aerospace sector, specifying requirements for steel X15CrNi17-3 (material number 1.4057), also known under ASD-STAN designation FE-PM3901. The standard covers air melted, hardened and tempered bars for machining with diameter or thickness (De) up to 200 mm, and ultimate tensile strength (Rm) between 900 MPa and 1,100 MPa. SIST EN 3490:2025 supersedes the previous edition, EN 3490:2007, reflecting updated material designations and harmonizing format elements with other standards in the EN 4500 series.

This standard is a crucial reference for stakeholders in the aerospace industry working with high-performance stainless steels suitable for demanding component manufacturing.

Key Topics

SIST EN 3490:2025 addresses several important aspects for the supply and use of X15CrNi17-3 steel bars in aerospace:

  • Material Specification: Defines the chemical composition, mechanical properties, hardness, and microstructure requirements for steel X15CrNi17-3 (1.4057).
  • Product Form: Focuses on bars intended for machining, supplied in both softened and hardened & tempered conditions.
  • Dimensional Limits: Specifies bars with De (diameter or equivalent thickness) up to 200 mm.
  • Mechanical Properties: Sets requirements for tensile strength (900 MPa ≤ Rm ≤ 1,100 MPa), proof stress (≥ 700 MPa), elongation (≥ 12%), hardness, and minimum impact energy.
  • Heat Treatment: Provides heat treatment parameters for achieving the required mechanical properties.
  • Quality Assurance: Stipulates requirements for product qualification, testing, marking, and inspection in line with referenced EN standards.
  • Microstructure Controls: Limits δ-ferrite content and inclusion category to ensure quality and consistency.
  • Inspection and Testing: References EN 4700-002 for technical specifications, EN 4050-1 for ultrasonic testing, and EN 2043 for product qualification methods.

Applications

SIST EN 3490:2025 is tailored for aerospace applications requiring reliable, corrosion-resistant stainless steel bars with tightly controlled properties. Typical uses include:

  • Machined Aerospace Components: Landing gear parts, high-strength fasteners, shafts, connectors, and precision assemblies where a hardenable, corrosion-resistant steel is essential.
  • Aircraft Structures: Components exposed to high mechanical stress and variable environments.
  • General Aviation and Industrial Sectors: Where equivalent performance and quality standards are required for critical safety and operational parts.

Utilizing SIST EN 3490:2025-compliant material assures buyers, suppliers, and manufacturers that the steel bars meet stringent European requirements for mechanical properties, process control, and traceability.

Related Standards

For full compliance and integration into aerospace supply chains, SIST EN 3490:2025 should be used in conjunction with related standards:

  • EN 2043: Aerospace series - General requirements for semi-finished product qualification (excluding forgings and castings).
  • EN 4050-1: Aerospace series - Test method for ultrasonic inspection of bars, plates, and forgings.
  • EN 4700-002: Aerospace series - Steel and heat resisting alloys – Wrought products – Technical specification for bars and sections.
  • EN 4258: Aerospace series – Metallic materials – Framework for the organization of standardization.
  • EN 4500-005: Aerospace series – Rules for drafting steel material standards.

These standards together enable robust quality control, enhance traceability, and support best practices in aerospace material selection and processing.


Keywords: SIST EN 3490:2025, X15CrNi17-3, 1.4057, aerospace steel bars, CEN standard, hardened and tempered, mechanical properties, machining, stainless steel, aerospace material standards, high-strength steel.

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Frequently Asked Questions

SIST EN 3490:2025 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Steel X15CrNi17-3 (1.4057) - Air melted - Hardened and tempered - Bars for machining - De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1 100 MPa". This standard covers: This document specifies the requirements relating to: Steel X15CrNi17-3 (1.4057) Air melted Hardened and tempered Bars for machining De ≤ 200 mm 900 MPa ≤ Rm ≤ 1 100 MPa for aerospace applications. NOTE ASD-STAN designation: FE-PM3901 Material number: 1.4057

This document specifies the requirements relating to: Steel X15CrNi17-3 (1.4057) Air melted Hardened and tempered Bars for machining De ≤ 200 mm 900 MPa ≤ Rm ≤ 1 100 MPa for aerospace applications. NOTE ASD-STAN designation: FE-PM3901 Material number: 1.4057

SIST EN 3490:2025 is classified under the following ICS (International Classification for Standards) categories: 49.025.10 - Steels; 77.140.60 - Steel bars and rods. The ICS classification helps identify the subject area and facilitates finding related standards.

SIST EN 3490:2025 has the following relationships with other standards: It is inter standard links to SIST EN 2043:2014, SIST EN 4050-1:2014, SIST EN 4700-002:2026, SIST EN 4632-004:2014, SIST EN 4036:2009, SIST EN 4036:2021, SIST EN 2287:2022, SIST EN 2288:2019, SIST EN 3490:2009. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

SIST EN 3490:2025 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
01-november-2025
Aeronavtika - Jeklo X15CrNi17-3 (1.4057) - Taljeno - Utrjeno in mehko žarjeno -
Palice za obdelavo - De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1 100 MPa
Aerospace series - Steel X15CrNi17-3 (1.4057) - Air melted - Hardened and tempered -
Bars for machining - De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1 100 MPa
Luft- und Raumfahrt - Stahl X15CrNi17-3 (1.4057) - Lufterschmolzen - Gehärtet und
angelassen - Stangen zur spanenden Bearbeitung - De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1
100 MPa
Série aérospatiale - Acier X15CrNi17-3 (1.4057) - Élaboré à l’air - Trempé et revenu -
Barres pour usinage - De ≤ 200 mm - 900 MPa ≤ Rm ≤ 1 100 MPa
Ta slovenski standard je istoveten z: EN 3490:2025
ICS:
49.025.10 Jekla Steels
77.140.60 Jeklene palice in drogovi Steel bars and rods
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 3490
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2025
EUROPÄISCHE NORM
ICS 49.025.10 Supersedes EN 3490:2007
English Version
Aerospace series - Steel X15CrNi17-3 (1.4057) - Air melted
- Hardened and tempered - Bars for machining - De  200
mm - 900 MPa  Rm  1 100 MPa
Série aérospatiale - Acier X15CrNi17-3 (1.4057) - Luft- und Raumfahrt - Stahl X15CrNi17-3 (1.4057) -
Élaboré à l'air - Trempé et revenu - Barres pour Lufterschmolzen - Gehärtet und angelassen - Stangen
usinage - De  200 mm - 900 MPa  Rm  1 100 MPa zur spanenden Bearbeitung - De  200 mm - 900 MPa 
Rm  1 100 MPa
This European Standard was approved by CEN on 27 July 2025.

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
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 3490:2025 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 . 9

European foreword
This document (EN 3490:2025) 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 March 2026, and conflicting national standards shall be withdrawn
at the latest by March 2026.
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 will supersede EN 3490:2007.
— EN 3490 (P2), 03/2007 – Update of the material designation, correction of the format of Table 1 to
comply with the requirem
...

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