SIST EN 4616:2006

Aerospace series - Magnesium alloy MG-C18002 - T4 - Chill casting

This standard specifies the requirements relating to:
Magnesium alloy MG-C18002
T4
Chill casting
for aerospace applications.

Luft- und Raumfahrt - Magnesiumlegierung MG-C18002 - T4 - Kokillengussstück

Diese Norm legt die Anforderungen an
Magesiumlegierung MG-C18002
T4
Kokillengussstück
für Anwendungen in der Luft  und Raumfahrt fest.

Série aérospatiale - Alliage de magnésium MG-C18002 - T4 - Produit coulé en coquille

Aeronavtika – Magnezijeva zlitina MG-C18002 - T4 – Kokilno litje

General Information

• Status: Published
• Publication Date: 30-Jun-2006
• ICS: 49.025.15 - Non-ferrous alloys in general
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jul-2006
• Due Date: 01-Jul-2006
• Completion Date: 01-Jul-2006
• Ref Project: EN 4616:2005 - Aerospace series - Magnesium alloy MG-C18002 - T4 - Chill casting

Relations

• Refers: SIST EN 4258:2024 - Aerospace series - Metallic materials - General organization of standardization - Link between types of European Standards and their use
• Effective Date: 28-Jan-2026
• Refers: SIST EN 2076-3:2001 - Aerospace series - Aluminium and magnesium alloy ingots and castings - Technical specification - Part 3: Pre-production and production castings
• Effective Date: 28-Jan-2026

Overview

SIST EN 4616:2006 - Aerospace Series - Magnesium Alloy MG-C18002 - T4 - Chill Casting is a European Standard developed by CEN to define the requirements for magnesium alloy MG-C18002, specifically in the T4 temper and produced through chill casting, tailored for aerospace applications. This standard outlines material composition, heat treatment, mechanical properties, quality assurance processes, and test procedures to ensure consistent quality and performance suitable for critical aerospace components.

Key Topics

• Material Designation: Specifies magnesium alloy MG-C18002, comparable to ISO MgAl8Zn, AZ81A, and AZ80 alloys, but with stricter controls on impurities for enhanced corrosion resistance.
• Production Method: The alloy is strictly produced via chill casting-a process that speeds up cooling and enhances structural properties desirable in aerospace components.
• Temper Designation: The T4 temper indicates solution heat treatment and natural aging, important for achieving specific mechanical characteristics.
• Mechanical Properties: Requirements include minimum proof stress, ultimate tensile strength, elongation, and batch hardness to meet aerospace quality standards.
• Heat Treatment: Standardizes heat treatment regimes, with specific temperature ranges and durations, to ensure the mechanical performance and structural integrity of the casting.
• Testing and Inspection: Describes the methodology for sampling, testing, and inspecting cast parts, referencing EN 2076-3 for detailed procedures.
• Impurity Control: Emphasizes stringent limits on impurity elements, significantly enhancing corrosion resistance compared to general-grade magnesium alloys.
• Marking and Documentation: Establishes guidelines for product marking and dimensional verification in line with referenced standards.

Applications

SIST EN 4616:2006 is crucial for industries involved in the manufacturing of aerospace parts where lightweight construction and high performance are required. Common applications include:

• Aircraft Engine Components: Utilized for casings and mounting structures where reduced weight is critical.
• Aerospace Structural Parts: Used in non-critical structural elements and interior components that benefit from the strength-to-weight ratio.
• Helicopter Parts: Applied in rotorcraft and similar aerospace platforms for cast components that must withstand cyclic loading and corrosion.
• Prototype and Production Runs: Suitable for both pre-production testing phases and full production runs, given its comprehensive quality requirements.

The strict control of impurities and mechanical properties provided by the T4 chill cast process makes this standard vital for components exposed to challenging operational environments.

Related Standards

Compliance with SIST EN 4616:2006 often requires consideration of several connected standards in the aerospace materials field, including:

• EN 2076-3: Details on technical specifications for aluminum and magnesium alloy ingots and castings, including test and inspection procedures.
• EN 4258: Outlines the organizational structure of metallic material standards in the aerospace sector.
• EN 4500-2: Provides rules for drafting and presenting standards on aluminum, aluminum alloys, and magnesium alloys.
• ISO MgAl8Zn / AZ81A / AZ80: International standards for similar magnesium alloys with broader impurity limits.

Practical Value

By adhering to SIST EN 4616:2006, aerospace manufacturers, suppliers, and quality assurance professionals benefit from:

• Enhanced Product Reliability: Reduced variation and increased consistency in mechanical properties.
• Improved Corrosion Resistance: Essential for safety and longevity in aerospace environments.
• Regulatory Compliance: Alignment with European and international aerospace standards, facilitating approval and market access.
• Optimized Design: Allows engineers to confidently design lighter, highly durable components using magnesium alloys.

SIST EN 4616:2006 serves as an essential reference for anyone involved in aerospace materials engineering, casting processes, or quality management within the aerospace supply chain.

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Magnesium alloy MG-C18002 - T4 - Chill castingAeronavtika – Magnezijeva zlitina MG-C18002 - T4 – Kokilno litjeSérie aérospatiale - Alliage de magnésium MG-C18002 - T4 - Produit coulé en coquilleLuft- und Raumfahrt - Magnesiumlegierung MG-C18002 - T4 - KokillengussstückTa slovenski standard je istoveten z:EN 4616:2005SIST EN 4616:2006en49.025.15ICS:SLOVENSKI
STANDARDSIST EN 4616:200601-julij-2006

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 4616October 2005ICS 49.025.15 English VersionAerospace series - Magnesium alloy MG-C18002 - T4 - ChillcastingSérie aérospatiale - Alliage de magnésium MG-C18002 -T4 - Produit coulé en coquilleLuft- und Raumfahrt - Magnesiumlegierung MG-C18002 -T4 - KokillengußstückThis European Standard was approved by CEN on 26 September 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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 translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.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, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2005 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4616:2005: E
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