Aluminum AlSi10MgLightweight High-Performance Metal Alloy
Aluminum AlSi10Mg is a versatile casting alloy optimized for DMLS additive manufacturing. Combining exceptional strength-to-weight ratio with excellent thermal conductivity and corrosion resistance, it delivers consistent mechanical properties ideal for aerospace, automotive, and industrial applications requiring lightweight, high-strength components.
Quick Specifications


Advanced Materials
Lightweight Aluminum Alloy
Aluminum AlSi10Mg is a casting alloy specifically optimized for Direct Metal Laser Sintering (DMLS) additive manufacturing. This versatile material combines the lightweight properties of aluminum with silicon and magnesium additions that enhance strength, hardness, and castability. The DMLS process produces parts with fine microstructure similar to T6 heat-treated conventional castings, delivering exceptional mechanical properties in the as-built condition. With excellent thermal conductivity, corrosion resistance, and the ability to produce gas-tight parts, AlSi10Mg is ideal for applications requiring lightweight, high-performance metal components.
Critical Applications
From mission-critical aerospace components to precision medical implants, Aluminum AlSi10Mg delivers unmatched performance in the most demanding applications. Its exceptional excellent strength-to-weight ratio for lightweight designs, high thermal conductivity (103-119 w/m·k) for heat management, outstanding corrosion resistance in harsh environments make it essential for applications where failure is not an option.
Aerospace Components
Lightweight structural parts, brackets, ducting systems, and UAV components requiring high strength-to-weight ratio
Automotive Systems
Engine components, heat exchangers, custom tooling, and lightweight chassis parts for performance vehicles
Heat Management
Heat sinks, cooling devices, thermal management systems leveraging excellent thermal conductivity
Industrial Equipment
Complex geometries, lightweight tooling, jigs, fixtures, and high-load bearing components
Medical Devices
Biocompatible prosthetics, surgical instruments, and lightweight medical equipment housings




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Technical Datasheet
Advanced Manufacturing
Built with Precision DMLS Technology
Aluminum AlSi10Mg is manufactured using Direct Metal Laser Sintering (DMLS) technology, providing unmatched strength and precision for mission-critical applications.

Industrial-grade DMLS technology delivers exceptional strength and precision for Aluminum AlSi10Mg production. Our advanced metal powder fusion process ensures optimal mechanical properties and surface quality.
- Layer Height: 0.03 - 0.06 mm. Fine layer resolution delivers smooth surface finish and precise feature definition.
- Tolerance: ± 0.1 mm (± 0.1%). Consistent dimensional accuracy across complex geometries and thin-wall features.
- Build Volume: 250 × 250 × 325 mm. Large production capacity enables efficient manufacturing of multiple parts or assemblies.
Technical Data
Mechanical Properties
Aluminum AlSi10Mg exhibits excellent mechanical properties, making it ideal for functional prototypes and end-use parts that need to meet demanding performance requirements in aerospace and automotive applications.
Technical Specifications
Measurement | Value | Standard |
---|---|---|
Tensile Strength (XY) | 460 MPa | ASTM E8 |
Tensile Strength (Z) | 460 MPa | ASTM E8 |
Yield Strength (XY) | 270 MPa | ASTM E8 |
Yield Strength (Z) | 240 MPa | ASTM E8 |
Elastic Modulus (XY) | 75 GPa | ASTM E8 |
Elastic Modulus (Z) | 70 GPa | ASTM E8 |
Elongation at Break (XY) | 9 % | ASTM E8 |
Elongation at Break (Z) | 6 % | ASTM E8 |
Hardness (Brinell) | 119 HBW | ASTM E10 |
Fatigue Strength (Z) | 97 MPa | ASTM D7791 |
Performance Characteristics
Aluminum AlSi10Mg delivers exceptional mechanical performance with excellent strength-to-weight ratio for lightweight designs, effectively handling demanding load conditions. Its balanced mechanical profile allows it to maintain structural integrity while preventing brittleness in critical applications.
These qualities make it well-suited for aircraft structural components and brackets, automotive engine parts and heat exchangers, electronic device cooling systems and heat sinks, providing long-term durability in demanding environments. Aluminum AlSi10Mg maintains dimensional stability over time, ensuring consistent performance across temperature and stress variations.
This makes it a reliable choice for applications requiring precise geometries and tight tolerances across aerospace, automotive, electronics industries. Its versatility and durability allow it to perform consistently across a wide range of mechanical applications, ensuring parts maintain their integrity under repetitive stress and environmental conditions.
Key Strengths
Ideal Applications
Design Considerations
Technical Data
Thermal Properties
Aluminum AlSi10Mg exhibits exceptional thermal stability, with a melting point of 660°C and outstanding performance in demanding thermal environments.
Technical Specifications
Property | Value | Standard |
---|---|---|
Thermal Conductivity (XY) | 103 W/m·K | ASTM E1461 |
Thermal Conductivity (Z) | 119 W/m·K | ASTM E1461 |
Specific Heat Capacity | 920 J/kg·K | ASTM E1269 |
Melting Point | 660 °C | ASTM E794 |
Service Temperature | 300 °C | ISO/ASTM |
Coefficient of Thermal Expansion | 21-24 ×10⁻⁶/K | ASTM E831 |
Thermal Performance
Aluminum AlSi10Mg's thermal properties ensure minimal dimensional deviation under fluctuating thermal conditions, making it highly suitable for applications requiring tight tolerances and structural integrity at elevated temperatures. Aluminum AlSi10Mg maintains consistent mechanical performance even in thermally and environmentally variable conditions across aerospace and automotive and electronics and medical devices and industrial manufacturing and defense applications.
Its thermal conductivity and insulating properties make it an excellent candidate for electronic device cooling systems and heat sinks, custom industrial equipment housing. Aluminum AlSi10Mg resists thermal fatigue and creep deformation, particularly in cyclic thermal loading environments.
Prolonged exposure to temperatures approaching its upper limit (660°C) may lead to gradual material degradation. In applications requiring sustained operation in high-temperature environments, consult with our engineering team for material recommendations and design guidelines.
Resources
Operating Range
Thermal Benefits
Thermal Applications
Thermal Considerations
Technical Data
Electrical Properties
Aluminum AlSi10Mg electrical properties for reference and design considerations.
Technical Specifications
Property | Standard | Unit | Value |
---|---|---|---|
Electrical Conductivity | ASTM B193 | MS/m | 18-22 |
Corrosion Resistance | - | - | Excellent |
Volume Resistance | ASTM B193 | Ω·m | 4.5 × 10⁻⁸ |
Electrical Performance
Electrical properties for Aluminum AlSi10Mg are provided for reference and design considerations. Please refer to the technical specifications table above for specific values and testing standards.
For detailed electrical performance data and material datasheets, please refer to the resources section or contact our team for additional information.
Resources
Electrical Applications
Electrical Considerations
Technical Data
Chemical Properties
Aluminum AlSi10Mg chemical compatibility data for reference and design considerations.
Chemical Compatibility Chart
Chemical | Type | Compatibility |
---|---|---|
Seawater | Salt Solution | Excellent |
Atmospheric Corrosion | Oxidizer | Excellent |
Alkaline Solutions | Base | Good |
Weak Acids | Acid | Good |
Motor Oil | Hydrocarbon | Excellent |
Hydraulic Fluids | Hydrocarbon | Excellent |
Strong Acids (HCl, H2SO4) | Acid | Poor |
Strong Bases (NaOH) | Base | Moderate |
Organic Solvents | Solvent | Good |
Fuel Systems | Hydrocarbon | Good to Excellent |
Chemical Performance
Aluminum AlSi10Mg chemical compatibility data is provided for reference and design considerations. Please refer to the compatibility chart above for specific chemical resistance ratings.
For applications involving chemical exposure, please consult the compatibility chart and contact our team for application-specific guidance.
Resources
Resistance Categories
Chemical Considerations
Design Considerations
Technical Data
Biocompatibility & Compliance
Aluminum AlSi10Mg is biocompatible, meeting ISO 10993-1 (Biocompatibility) standards, making it safe for short-term contact with skin and mucosal membranes.
Compliance Standards
Property | Compliance | Standard/Regulation |
---|---|---|
DIN EN 1706 (EN AC-43000) | Yes | European standard for aluminum casting alloys |
ASTM F3318 | Yes | Standard specification for additive manufacturing aluminum alloy |
ISO 10993-1 (Biocompatibility) | Yes | Biological evaluation for medical devices - limited contact |
REACH Regulation | Yes | European chemicals regulation compliance |
RoHS Directive 2011/65/EU | Yes | Restriction of hazardous substances compliance |
AS9100 Quality System | Yes | Aerospace quality management system compliance |
Compliance Resources
Medical Applications
Material Datasheets
Download comprehensive technical documentation for Aluminum AlSi10Mg, including safety data, compliance certificates, and design guidelines.
Technical Datasheets
Compliance Certificates
Design Resources
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