SIST EN 2278:2015
(Main)Aerospace series - Steel X12CrNiMoV12-3 (1.4933) - 900 MPa ≤ Rm ≤ 1 100 MPa - Bars - De ≤ 150 mm
General Information
- Abstract
This standard specifies the requirements relating to:
Steel X12CrNiMoV12-3 (1.4933)
900 MPa ≤ Rm ≤ 1 100 MPa
Bars
De ≤ 150 mm
for aerospace applications.
- Status
- Published
- Publication Date
- 01-Dec-2014
- Technical Committee
- I13 - Imaginarni 13
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 06-Nov-2014
- Due Date
- 11-Jan-2015
- Completion Date
- 02-Dec-2014
Overview
SIST EN 2278:2015 is a European standard developed by CEN for the aerospace industry. It outlines the requirements for steel X12CrNiMoV12-3 (material number 1.4933) in the form of bars, with diameters or equivalent cross-sections (De) up to 150 mm, and ultimate tensile strength between 900 MPa and 1,100 MPa. This standard ensures that materials used in aerospace applications meet stringent specifications for mechanical properties and production quality, supporting safety and reliability in advanced engineering environments.
Key Topics
- Material Specification: Details the necessary composition and processing techniques for X12CrNiMoV12-3 (1.4933) steel, ensuring consistency and suitability for aerospace use.
- Mechanical Properties: Sets specific limits for tensile strength (Rm), proof stress, elongation, and hardness, tailored to the demands of aerospace components.
- Dimensional Ranges: Applies to bars and similar profiles with De ≤ 150 mm.
- Production and Inspection: Requires adherence to quality control and inspection protocols, referencing additional standards for technical and marking requirements.
- Heat Treatment Conditions: Specifies delivery conditions such as softened, or hardened and tempered states to optimize material performance.
- Reference to Qualification: Points to product qualification programs aligned with EN 2043, ensuring robust verification procedures for aerospace-grade materials.
Applications
SIST EN 2278:2015 is critical in the aerospace sector, where steel X12CrNiMoV12-3 bars are employed for a wide range of high-performance applications:
- Aircraft Structural and Engine Components: Where high strength, reliability, and controlled mechanical properties are essential for safety and function.
- Spacecraft Assemblies: Used in the construction of parts requiring resistance to high temperatures and mechanical stress.
- Landing Gear and Fasteners: The standard ensures these high-stress parts have the necessary mechanical integrity and crack resistance.
- Other Aerospace Hardware: Including shafts, rods, and connector elements where specific cross-section dimensions and strength requirements must be met.
Manufacturers producing to SIST EN 2278:2015 demonstrate ability to supply materials with certified properties, which supports traceability and product consistency. Aerospace operators benefit from enhanced confidence in both the mechanical reliability and regulatory compliance of their structures and systems.
Related Standards
To ensure comprehensive quality and material control, SIST EN 2278:2015 references several related standardization documents:
- EN 2043: General requirements for semi-finished product qualification in the aerospace series.
- EN 4258: Provides the organization and cross-linking of EN metallic materials standards.
- EN 4500-005: Governs the drafting and presentation of standards for steels within the aerospace series.
- EN 4700-002: Specifies technical requirements for steel and heat-resisting alloy wrought products (bars and sections).
Adherence to these standards ensures materials meeting SIST EN 2278:2015 are consistent with broader industry requirements, supporting efficient supplier qualification, procurement processes, and product certification throughout the aerospace supply chain.
Keywords: SIST EN 2278:2015, aerospace steel, X12CrNiMoV12-3, 1.4933, CEN standards, aerospace materials, steel bars, 900 MPa, 1100 MPa, mechanical properties, aviation safety, material qualification, European standard.
Relations
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
Get Certified
Connect with accredited certification bodies for this standard
BUREAU VERITAS Certification Germany
Bureau Veritas certification in Germany.
Element Materials Technology
Materials testing and product certification.
AQMS Ltd.
AQMS provides ISO certification to SMEs across the UK.
Sponsored listings
Frequently Asked Questions
SIST EN 2278:2015 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Steel X12CrNiMoV12-3 (1.4933) - 900 MPa ≤ Rm ≤ 1 100 MPa - Bars - De ≤ 150 mm". This standard covers: This standard specifies the requirements relating to: Steel X12CrNiMoV12-3 (1.4933) 900 MPa ≤ Rm ≤ 1 100 MPa Bars De ≤ 150 mm for aerospace applications.
This standard specifies the requirements relating to: Steel X12CrNiMoV12-3 (1.4933) 900 MPa ≤ Rm ≤ 1 100 MPa Bars De ≤ 150 mm for aerospace applications.
SIST EN 2278:2015 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.
SIST EN 2278:2015 has the following relationships with other standards: It is inter standard links to SIST EN 4700-002:2026, SIST EN 4500-005:2024, SIST EN 2043:2014, SIST EN 4258:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 2278:2015 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-januar-2015
$HURQDYWLND-HNOR;&U1L0R9 03D”5P”03D3DOLFH
'H”PP
$HURVSDFHVHULHV6WHHO;&U1L0R9 03D”5P”03D
%DUV'H”PP
/XIWXQG5DXPIDKUW6WDKO;&U1L0R9 03D”5P”03D
6WDQJHQ'H”PP
6pULHDpURVSDWLDOH$FLHU;&U1L0R9 03D”5P”03D
%DUUHV'H”PP
Ta slovenski standard je istoveten z: EN 2278:2014
ICS:
49.025.10 Jekla Steels
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN 2278
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2014
ICS 49.025.10
English Version
Aerospace series - Steel X12CrNiMoV12-3 (1.4933) - 900 MPa ≤
Rm ≤ 1 100 MPa - Bars - De ≤ 150 mm
S?ie a?ospatiale - Acier X12CrNiMoV12-3 (1.4933) - 900 Luft- und Raumfahrt - Stahl X12CrNiMoV12-3 (1.4933) -
MPa ≤ Rm ≤ 1 100 MPa - Barres - De ≤ 150 mm 900 MPa ≤ Rm ≤ 1 100 MPa - Stangen - De ≤ 150 mm
This European Standard was approved by CEN on 28 June 2014.
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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 2278:2014 E
worldwide for CEN national Members.
Contents
Page
Foreword. 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
Foreword
This document (EN 2278:2014) 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 April 2015, and conflicting national standards shall be
withdrawn at the latest by April 2015.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
According to the CEN-CENELEC Internal Regulations, the national standards organi
...