DMLS Technology
Material OverviewMetal

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

Tensile Strength
N/A
Tolerance
±0.25%
Melting Point
660 °C
Technology
DMLS
Aluminum AlSi10Mg 3D printed part example
Metal Precision
Industrial Grade
Aluminum AlSi10Mg cube sample showing material finish and quality

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.

460 MPa
High Strength
High tensile strength for demanding applications
2.67 g/cm³
Lightweight Metal
Exceptional weight savings for aerospace and automotive applications
660°C
Thermal Stability
High temperature performance and melting point
N/A
Material Properties
See material datasheet for detailed properties

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

Aluminum AlSi10Mg High-precision aluminum component
Lightweight Structural Component
High-precision aluminum component
Aluminum AlSi10Mg DMLS production capabilities
Manufacturing Solutions
DMLS production capabilities
Aluminum AlSi10Mg DMLS enables significant weight reduction compared to traditionally machined parts
Weight Optimization
DMLS enables significant weight reduction compared to traditionally machined parts
Aluminum AlSi10Mg Complex multi-part assembly consolidated into a single DMLS component
Assembly Consolidation
Complex multi-part assembly consolidated into a single DMLS component

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.

DMLS Manufacturing Lab

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

MeasurementValueStandard
Tensile Strength (XY)460 MPaASTM E8
Tensile Strength (Z)460 MPaASTM E8
Yield Strength (XY)270 MPaASTM E8
Yield Strength (Z)240 MPaASTM E8
Elastic Modulus (XY)75 GPaASTM E8
Elastic Modulus (Z)70 GPaASTM E8
Elongation at Break (XY)9 %ASTM E8
Elongation at Break (Z)6 %ASTM E8
Hardness (Brinell)119 HBWASTM E10
Fatigue Strength (Z)97 MPaASTM 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

Impact resistance
Fatigue resistance
Dimensional stability
Balanced stiffness

Ideal Applications

• Moving assemblies
• Snap-fit components
• Load-bearing structures
• Precision geometries

Design Considerations

Avoid sharp internal corners in stress-bearing areas
Consider creep at sustained loads above 30% yield strength
Optimal performance with 0.8mm+ wall thickness

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

PropertyValueStandard
Thermal Conductivity (XY)103 W/m·KASTM E1461
Thermal Conductivity (Z)119 W/m·KASTM E1461
Specific Heat Capacity920 J/kg·KASTM E1269
Melting Point660 °CASTM E794
Service Temperature300 °CISO/ASTM
Coefficient of Thermal Expansion21-24 ×10⁻⁶/KASTM 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.

Operating Range

Continuous Use300°C
Short TermUp to 462°C
Melting Point660°C

Thermal Benefits

Excellent thermal conductivity
High temperature performance
Thermal shock resistance
Heat dissipation capability

Thermal Applications

Aircraft structural components and brackets
Automotive engine parts and heat exchangers
Heat exchangers and thermal management
High-temperature tooling

Thermal Considerations

Heat treatment may be required for optimal mechanical properties
Consider thermal expansion in precision assemblies
Excellent for high-temperature applications up to 396°C

Technical Data

Electrical Properties

Aluminum AlSi10Mg electrical properties for reference and design considerations.

Technical Specifications

PropertyStandardUnitValue
Electrical ConductivityASTM B193MS/m18-22
Corrosion Resistance--Excellent
Volume ResistanceASTM B193Ω·m4.5 × 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.

Electrical Applications

• Electronic components
• Electrical housings
• Insulation applications
• Electrical connectors

Electrical Considerations

Contact engineering for testing
Application-specific requirements
Custom testing available

Technical Data

Chemical Properties

Aluminum AlSi10Mg chemical compatibility data for reference and design considerations.

Chemical Compatibility Chart

ChemicalTypeCompatibility
SeawaterSalt SolutionExcellent
Atmospheric CorrosionOxidizerExcellent
Alkaline SolutionsBaseGood
Weak AcidsAcidGood
Motor OilHydrocarbonExcellent
Hydraulic FluidsHydrocarbonExcellent
Strong Acids (HCl, H2SO4)AcidPoor
Strong Bases (NaOH)BaseModerate
Organic SolventsSolventGood
Fuel SystemsHydrocarbonGood 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.

Resistance Categories

Salt SolutionsExcellent
OxidizersExcellent
BasesGood
AcidsGood
HydrocarbonsExcellent
SolventsGood

Chemical Considerations

Contact engineering for testing
Application-specific requirements
Custom testing available

Design Considerations

Verify chemical compatibility before use
Consider concentration and temperature effects
Test compatibility in actual use conditions

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

PropertyComplianceStandard/Regulation
DIN EN 1706 (EN AC-43000)YesEuropean standard for aluminum casting alloys
ASTM F3318YesStandard specification for additive manufacturing aluminum alloy
ISO 10993-1 (Biocompatibility)YesBiological evaluation for medical devices - limited contact
REACH RegulationYesEuropean chemicals regulation compliance
RoHS Directive 2011/65/EUYesRestriction of hazardous substances compliance
AS9100 Quality SystemYesAerospace quality management system compliance

Compliance Resources

Medical Applications

Medical prosthetics and surgical instruments

Material Datasheets

Download comprehensive technical documentation for Aluminum AlSi10Mg, including safety data, compliance certificates, and design guidelines.

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