DMLS - AlSi10Mg


Low Density, High Strength, and High Thermal Conductivity

AlSi10Mg is an aluminum alloy that is commonly used in additive manufacturing processes like Selective Laser Melting (SLM) or Direct Metal Laser Sintering (DMLS). It is known for its excellent combination of strength, lightweight properties, and good thermal conductivity.

The alloy is composed of aluminum (Al), silicon (Si), and magnesium (Mg). Aluminum provides the material with its lightweight characteristics and corrosion resistance. Silicon enhances the material's fluidity during the manufacturing process and improves its castability. Magnesium contributes to the alloy's strength and overall mechanical properties.


  • Aerospace Components:

    AlSi10Mg is widely used in the aerospace industry for manufacturing lightweight components such as structural parts, engine components, brackets, and housings. Its high strength-to-weight ratio and good mechanical properties make it suitable for aerospace applications.

  • Automotive Parts:

    AlSi10Mg is utilized in the automotive industry for producing various parts, including engine components, intake manifolds, brackets, and heat sinks. Its lightweight nature, corrosion resistance, and good thermal conductivity are beneficial for improving fuel efficiency and overall performance.

  • Medical Devices:

    The biocompatibility and sterilizability of AlSi10Mg make it suitable for medical applications. It is used to manufacture implants, surgical instruments, prosthetics, and patient-specific devices. Its corrosion resistance and lightweight properties are advantageous for medical devices.

  • Industrial Machinery:

    AlSi10Mg is employed in the production of industrial machinery parts, such as housings, brackets, and frames. Its high strength and stiffness, combined with its lightweight characteristics, contribute to the performance and efficiency of industrial machinery.

  • Electronics Heat Sinks:

    Due to its excellent thermal conductivity, AlSi10Mg is commonly used for manufacturing heat sinks in electronic devices. Heat sinks made from this material efficiently dissipate heat generated by electronic components, ensuring their proper functioning and longevity.

  • Tooling and Jigs:

    AlSi10Mg is also utilized in the fabrication of tooling and jigs used in various industries. Its high strength, good dimensional stability, and lightweight properties make it suitable for producing fixtures, molds, and assembly aids.

  • Architectural and Design Applications:

    AlSi10Mg can be used for architectural and design applications, including decorative elements, lighting fixtures, and artistic sculptures. Its ability to achieve complex geometries and its aesthetic appeal make it a favorable material for such applications.

  • Research and Development:

    AlSi10Mg is often used in research and development projects, prototyping, and rapid manufacturing. Its availability, processability, and material properties allow for quick iteration and validation of designs.

Technical Information

Property Value
Density >2.59 g/cm3
E-Modulus 70 GPa
Layer Thickness 0.03 - 0.1 mm
Tensile strength >250 MPa
Elongation at break >1.0%
Hardness >80 HV

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