SIST EN 2541:2018

Aerospace series - Steel FE-PA18 - Quenched and cold drawn - Wire for spring - D ≤ 4,0 mm

This European Standard specifies the requirements relating to:
Steel FE-PA18
Quenched and cold drawn
Wire for spring
D ≤ 4,0 mm
for aerospace applications.

Luft- und Raumfahrt - Stahl FE-PA18 - Abgeschreckt und kaltgezogen - Drähte für Feder - D ≤ 4,0 mm

Série aérospatiale - Acier FE-PA18 - Trempe et étiré à froid - Fils pour ressort - D ≤ 4,0 mm

Aeronavtika - Jeklo FE-PA18 - Poboljšano in hladno vlečeno - Vzmetna žica - D ≤ 4,0 mm

Ta evropski standard določa zahteve za:
Jeklo FE-PA18
Poboljšano in hladno vlečeno
Vzmetna žica
D ≤ 4,0 mm
za uporabo v aeronavtiki.

General Information

• Status: Published
• Publication Date: 04-Sep-2018
• ICS: 49.025.10 - Steels
• ICS: 77.140.25 - Spring steels
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 10-Aug-2018
• Due Date: 15-Oct-2018
• Completion Date: 05-Sep-2018
• Ref Project: EN 2541:2018 - Aerospace series - Steel FE-PA18 - Quenched and cold drawn - Wire for spring - D ≤ 4,0 mm

Overview

SIST EN 2541:2018 is a European standard developed by CEN and ASD-STAN focused on aerospace-grade steel wire specifications. It defines the requirements for Steel FE-PA18 wire that is quenched and cold drawn specifically for spring applications with diameters up to 4.0 mm. This standard provides detailed technical and chemical requirements ensuring consistent, high-quality wire materials for critical aerospace components such as springs and locking pins.

The steel wire covered by SIST EN 2541:2018 is an essential material in aerospace manufacturing due to its high strength, durability, and fatigue resistance - all vital attributes for flight safety and performance.

Key Topics

• Material Specification: Steel FE-PA18 with a chemical composition controlled to precise limits, including carbon (0.15% max), silicon, manganese, chromium (17% min), and nickel (7% min).
• Manufacturing Process: The wire is produced using air melting, quenched, and then cold drawn to achieve the required mechanical properties and enhanced surface quality.
• Diameter Range: Wire diameter (D) is limited to ≤ 4.0 mm for aerospace spring applications.
• Mechanical Requirements:
  • Proof stress, tensile strength, elongation, reduction of area, and hardness values are specified to guarantee performance.
  • Special mechanical tests such as reverse torsion and wrapping tests ensure wire spring suitability.
• Delivery Conditions: The wire is delivered in a quenched and cold drawn state, adhering to EN 4700-004 technical specifications.
• Testing & Qualification: Guidelines for product qualification tests and inspection methods are included to certify compliance.
• Use Cases: Typical applications include locking pins for control cable turnbuckles and various types of springs in aerospace systems.
• Compliance & Harmonization: The standard is designed to replace conflicting national standards within the CEN member countries, ensuring harmonized aerospace material specifications across Europe.

Applications

SIST EN 2541:2018 steel wire is predominantly used in the aerospace industry where materials must meet stringent safety and performance criteria. Its main applications include:

• Spring Manufacture: Critical springs in aircraft control systems leveraging high fatigue resistance and dimensional stability.
• Locking Pins: Components such as locking pins in turnbuckles where reliable mechanical strength is essential.
• Precision Wire Components: Any small-diameter wire components (≤ 4 mm) in aerospace mechanisms benefiting from the steel’s tensile performance and durability.
• High-Performance Mechanical Parts: Components requiring excellent mechanical properties and resistance to cracking under cyclic loads.

The standard ensures the material meets precise metallurgical, dimensional, and mechanical criteria to withstand the demanding operational conditions of aerospace environments.

Related Standards

SIST EN 2541:2018 is part of a broader series of aerospace metallic material standards that guide material selection, processing, and testing:

• EN 4258: General organization of aerospace metallic material standardization.
• EN 4700-004: Technical specification for steel and heat resisting alloys in wire form.
• EN 2032-001 & EN 2032-2: Designations and coding related to metallurgical conditions and delivery.
• EN 4500-005: Rules for drafting and presentation of metallic material standards for aerospace.
• ISO and IEC Terminologies: For standardized definitions, referencing ISO Online Browsing Platform and IEC Electropedia.

Using these interconnected standards ensures comprehensive quality assurance and uniformity in aerospace metals, supporting global aerospace manufacturing best practices.

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Keywords: SIST EN 2541:2018, aerospace steel wire, Steel FE-PA18, quenched and cold drawn wire, spring wire standard, aerospace spring steel, wire diameter ≤ 4 mm, aerospace material standards, steel wire mechanical properties, aerospace component materials

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.PPPP77.140.25Vzmetna jeklaSpring steels49.025.10JeklaSteelsICS:Ta slovenski standard je istoveten z:EN 2541:2018SIST EN 2541:2018en,fr,de01-oktober-2018SIST EN 2541:2018SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 2541
August
t r s z ICS
v {ä r t wä s r English Version
Aerospace series æ Steel FEæPA s z æ Quenched and cold drawn æ Wire for spring æ D ≤
vá r mm Série aérospatiale æ Acier FEæPA s z æ Trempe et étiré à
froid æ Fils pour ressort æ D ≤
vá r mm
Luftæ und Raumfahrt æ Stahl FEæPA s z æ Abgeschreckt und kaltgezogen æ Drähte für Feder æ D ≤
vá r mm This European Standard was approved by CEN on
t r May
t r s zä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Rue de la Science 23,
B-1040 Brussels
t r s z CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
t w v sã t r s z ESIST EN 2541:2018
...