SIST EN 4312:2009
(Main)Aerospace series - Studs, coarse tolerance reduced shank, medium length thread, in heat and corrosion resisting steel, with aluminium pigmented coating - Classification: 1100 MPa (at ambient temperature)/315 °C
Aerospace series - Studs, coarse tolerance reduced shank, medium length thread, in heat and corrosion resisting steel, with aluminium pigmented coating - Classification: 1100 MPa (at ambient temperature)/315 °C
This standard specifies the characteristics of studs, close tolerance shank, medium length thread, in heat and corrosion resisting steel, with aluminium pigmented coating.
Classification: 1 100 MPa ) / 315 °C )
Luft- und Raumfahrt - Stift-Dehnschrauben, mit mittlerer Gewindelänge, aus hochwarmfestem und korrosionsbeständigem Stahl, mit aluminiumpigmentierter Beschichtung - Klasse: 1100 Mpa (bei Raumtemperatur)/315 °C
Diese Norm legt die Anforderungen an Stift-Dehnschrauben mit mittlerer Gewindelänge, aus hochwarmfestem und korrosionsbeständigem Stahl, mit aluminiumpigmentierter Beschichtung fest.
Klasse: 1 100 MPa )/315 C )
Série aérospatiale - Goujons, fût à tolérance large, filetage moyen, en acier résistant à chaud et à la corrosion, avec revêtement alumino-organique - Classification: 1100 MPa (à température ambiante)/315 °C
Aeronavtika - Elastični stebelni vijaki, široka toleranca, srednja navojna dolžina, iz toplotno in korozijsko odpornega jekla, z aluminijem pigmentiranim premazom - Klasifikacija: 1100 MPa (pri temperaturi okolice)/315 °C
General Information
- Status
- Published
- Publication Date
- 14-May-2009
- Technical Committee
- I13 - Imaginarni 13
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 09-Apr-2009
- Due Date
- 14-Jun-2009
- Completion Date
- 15-May-2009
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
Overview
SIST EN 4312:2009 is a European standard that specifies the requirements for aerospace studs featuring a coarse tolerance reduced shank, medium length thread, and manufactured from heat and corrosion resisting steel. These studs are further protected by an aluminium pigmented coating, conferring additional durability in demanding environments. The standard classifies these studs for a strength of 1100 MPa (at ambient temperature) and maximum operating temperature up to 315 °C, ensuring reliable performance in aerospace applications.
This standard was developed by the Slovenski inštitut za standardizacijo (SIST) and aligns with European aerospace quality requirements, making it highly relevant for manufacturers, suppliers, and users within the aerospace industry and related sectors that demand high-strength, corrosion-resistant fasteners.
Key Topics
- Stud characteristics: Defines dimensional, mechanical, and performance characteristics for aerospace-use studs.
- Material requirements: Specifies heat and corrosion resisting steel with a minimum tensile strength of 1100 MPa for operational reliability.
- Thread specifications: Details thread forms and tolerances based on international ISO and EN standards.
- Coating and surface treatment: Requires an aluminium pigmented coating per EN 4474 to enhance corrosion resistance; optional lubrication for assembly processes.
- Marking and designation: Standardizes part marking and identification for traceability, according to EN 2424.
- Classification: Ensures components meet strict mechanical and thermal property thresholds necessary for use in aerospace applications.
- Conformance: Stipulates adherence to referenced standards such as ISO 3353-1, ISO 5855-2, ISO 7913, and EN 9100 (quality system requirements).
Applications
SIST EN 4312:2009 studs are integral fasteners used in aerospace engineering and other high-performance mechanical assemblies. Their design and material composition make them ideal for:
- Aircraft structures: Securing panels, fittings, and assemblies exposed to variable loads and environmental conditions.
- Engine and propulsion systems: Used in environments requiring resistance to high temperatures and corrosive elements.
- Spacecraft and satellite builds: Suitable where lightweight, strength, and surface protection are vital.
- Defense applications: Well-suited to military aircraft, missile components, and equipment exposed to harsh operational contexts.
- Special industrial uses: Any machinery or assembly demanding high-strength, corrosion-resistant, and thermally robust stud fasteners.
The coated and heat-resistant characteristics guarantee long service life and reliability, reducing maintenance needs and improving safety margins in critical systems.
Related Standards
This standard relies on and should be used in conjunction with several key international and European standards, including:
- ISO 3353-1: Aerospace - Lead and runout threads - Part 1: Rolled external threads
- ISO 5855-2: Aerospace - MJ threads - Limit dimensions for bolts and nuts
- ISO 7913: Aerospace - Bolts and screws, metric - Tolerances of form and position
- ISO 8168: Aerospace - Corrosion- and heat-resisting steel bolts with strength classification 1100 MPa and MJ threads - Procurement specification
- EN 2424: Aerospace series - Marking of aerospace products
- EN 4474: Aerospace series - Aluminium pigmented coatings - Coating methods
- EN 9100: Aerospace series - Quality management systems - Requirements
Manufacturers and engineers are advised to reference these standards to ensure complete compliance in design, production, and quality assurance processes.
SIST EN 4312:2009 is a vital standard for ensuring the quality and interoperability of aerospace studs, contributing to the safety and efficiency of modern aircraft and high-performance assemblies. Its adoption supports robust supply chain integrity, product traceability, and global market alignment in the aerospace sector.
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Frequently Asked Questions
SIST EN 4312:2009 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Studs, coarse tolerance reduced shank, medium length thread, in heat and corrosion resisting steel, with aluminium pigmented coating - Classification: 1100 MPa (at ambient temperature)/315 °C". This standard covers: This standard specifies the characteristics of studs, close tolerance shank, medium length thread, in heat and corrosion resisting steel, with aluminium pigmented coating. Classification: 1 100 MPa ) / 315 °C )
This standard specifies the characteristics of studs, close tolerance shank, medium length thread, in heat and corrosion resisting steel, with aluminium pigmented coating. Classification: 1 100 MPa ) / 315 °C )
SIST EN 4312:2009 is classified under the following ICS (International Classification for Standards) categories: 49.025.20 - Aluminium; 49.030.20 - Bolts, screws, studs. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 4312:2009 has the following relationships with other standards: It is inter standard links to SIST EN 13200-3:2006, SIST EN 9100:2018, SIST EN 840-6:2004+A1:2008, SIST EN 2424:2008, SIST EN 14460:2006. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 4312:2009 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)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - Stift-Dehnschrauben, mit mittlerer Gewindelänge, aus hochwarmfestem und korrosionsbeständigem Stahl, mit aluminiumpigmentierter Beschichtung - Klasse: 1100 Mpa (bei Raumtemperatur)/315 °CSérie aérospatiale - Goujons, fût à tolérance large, filetage moyen, en acier résistant à chaud et à la corrosion, avec revêtement alumino-organique - Classification: 1100 MPa (à température ambiante)/315 °CAerospace series - Studs, coarse tolerance reduced shank, medium length thread, in heat and corrosion resisting steel, with aluminium pigmented coating - Classification: 1100 MPa (at ambient temperature)/315 °C49.030.20Sorniki, vijaki, stebelni vijakiBolts, screws, studs49.025.20AluminijAluminiumICS:Ta slovenski standard je istoveten z:EN 4312:2006SIST EN 4312:2009en,de01-julij-2009SIST EN 4312:2009SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4312
June 2006 ICS 49.030.20 English Version
Aerospace series - Studs, coarse tolerance reduced shank, medium length thread, in heat and corrosion resisting steel, with aluminium pigmented coating - Classification: 1 100 MPa (at ambient temperature) / 315 °C
Série aérospatiale - Goujons, fût à tolérance large, filetage moyen, en acier résistant à chaud et à la corrosion, avec revêtement alumino-organique - Classification : 1 100 MPa (à température ambiante) / 315 °C
Luft- und Raumfahrt - Stift-Dehnschrauben, mit mittlerer Gewindelänge, aus korrosionsbeständigem und hochwarmfestem Stahl, mit Aluminium pigmenttete Beschichtung - Klasse: 1 100 Mpa (bei Raumtemperatur) / 315 °C This European Standard was approved by CEN on 6 February 2006.
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 Central Secretariat 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 Central Secretariat has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
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B-1050 Brussels © 2006 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4312:2006: ESIST EN 4312:2009
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