Magnesium CNC Machining

Magnesium CNC Machining

Offering top-of-the-line Magnesium CNC machining services with fast turnaround times.

Whether you need quick-turn prototypes or high-volume production parts, we've got you covered. ISO 9001:2015, ISO 13485, and AS9100D certified.

Magnesium CNC Machining

Magnesium is a chemical element with the symbol "Mg" and atomic number 12 on the periodic table. Magnesium is a lightweight, silvery-white metal with a density that is approximately two-thirds that of aluminum. It has a melting point of 1,202°C (2,196°F) and a boiling point of 2,477°C (4,491°F). It is valued for its lightweight and strong properties in industrial applications and is crucial for many biological processes in living organisms.

Magnesium CNC machining refers to the process of using computer numerical control (CNC) machines to precisely shape and cut magnesium metal components. Magnesium is a lightweight and strong metal that is often used in various industries, including aerospace, automotive, medical devices, and electronics. CNC machining is a highly accurate and efficient method for manufacturing parts and components from magnesium.

Why Choose Dadesin for Magnesium CNC Machining Services

Strict Quality Management

Our inspection instruments include German Zeiss CMM, Wanhao image measuring instrument, Hitachi handheld spectrometer, Mitutoyo roughness measuring instrument, etc.

Our Certification

Dadesin was full certificated by ISO9001:2015, IATF16949:2016.

fast Delivery

Dadesin has 200+ sets of high precision CNC machining and CNC milling centers and we can take your project from engineering design to delivery faster than our competitors.

Quality Assurance

Full inspection service for all projects.

Magnesium Materials Properties

Magnesium is known as the lightest metal used for making structures. It is unique for its low density, high column loading per unit weight and high specific modulus.


Magnesium Properties

Tensile Strength, Yield (MPa) Compressive Strength (MPa) Melting point (°C) Thermal Conductivity (W/m.K) Density (Mg/m^3)
175-235 65-100 650 150 1.73-1.75

Magnesium At a Glance

Application CNC machining can craft magnesium parts with excellent mechanical properties, accuracy, and consistency. It includes 3-axis and 5-axis CNC milling options.
Advantages Magnesium parts are known for their high strength, resistance to high temperatures, and resistance to corrosion.
Weaknesses Compared to common metals like steel and aluminum, magnesium machining can be relatively more expensive.
Lead Time Typically, it takes a minimum of 3 days to produce magnesium parts, and this duration may extend for complex or internationally sourced components.
Price $$$
Tolerances The achievable machining tolerances in magnesium depend on the specific magnesium alloy used. However, a tolerance of about 0.005 inches (0.13mm) is generally attainable.
Wall Thickness The minimum wall thickness for magnesium parts is approximately 0.80 mm (about 0.03 inches). This value might vary based on the ratio of wall thickness to planar dimension.
Max part size 200 x 80 x 100 cm

Custom Magnesium Parts

Communication equipment housing

Communication equipment housing

Aluminum housing

Aluminum housing

CNC aluminum housing

CNC aluminum housing

Vehicle part

Vehicle part

Aluminum alloy motor housing cover

Aluminum alloy motor housing cover


Finishes and Post-Processing Options

The choice of finish or post-processing method depends on the specific requirements of the application.

Anodizing: Anodizing is a widely used finishing process for magnesium. It involves creating an oxide layer on the surface, which improves corrosion resistance and provides a decorative finish. Anodized magnesium parts can have a variety of colors and textures.

Painting: Magnesium parts can be painted with various types of coatings to enhance their appearance and provide additional corrosion protection. Paints and coatings should be selected based on the specific application and environmental conditions.

Chemical Passivation: Passivation is a chemical process that removes impurities from the magnesium's surface and promotes the formation of a protective oxide layer. This improves the corrosion resistance of the component.

Request a Free CNC Machining Quote Now

Our in-house equipment includes 5-axis mills with edge finding equipment, ZEISS CMMs, Olympus XRF analyzers, and a range of cutting tools for efficient chip removal. We can guarantee the magnesium alloy will be the exact material that you need for your project and can ensure the right tolerances according to your needs. Take our services out for a test drive: send us your CAD files to see our fair pricing rate and fast speeds for yourself.

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CNC Machining

Magnesium CNC Machining FAQs

  • What are the Advantages of Magnesium CNC Machining?

    Magnesium CNC machining not only delivers top-notch surface quality and precision but also offers energy efficiency and cost-effectiveness, making it an excellent choice for various applications..

  • Can You CNC Magnesium?

    Absolutely, magnesium can be effectively processed using CNC machining techniques, much like other metals. The key is to grasp magnesium's unique qualities and adapt the machining process accordingly.

  • How Hard is it to Machine Magnesium?

    Machining magnesium is not inherently difficult, but it does require careful consideration of safety measures, tooling, and machining parameters due to its flammability and other unique characteristics. With the right equipment, expertise, and precautions, magnesium can be successfully machined to create precise and lightweight components for various applications.

  • Is Magnesium Safe to Handle?

    Solid magnesium is generally safe to handle without posing health hazards through skin contact or inhalation in normal conditions. However, safety concerns arise when magnesium is in the form of fine dust or shavings because they can ignite and burn intensely. So it’s important to follow safety protocols and best practices. This means proper training for all personnel involved in magnesium machining, maintaining a clean workspace, using the correct cutting fluids, and having the appropriate fire safety measures in place.


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