Common Metals Used for Die Casting

As a widely used manufacturing method for a variety of components die casting offers the versatility needed to manufacture complex geometries for quality high-performance parts. Choosing the right metal for your die cast components can determine the overall quality and durability of your component. Learn more about the most commonly used metals for die casting and see which metal is best for your fabrication needs.

Die Cast Metal Options for Manufacturing

Die cast components are often made of non-ferrous, malleable metals such as aluminum, magnesium, and zinc. As popular choices for die cast components, these metals provide the corrosions-resistance, high-strength, and non-magnetic properties needed for a wide range of applications.

  • Hot chamber die casting is ideal for aluminum, zinc, magnesium, and metals with lower melting points
  • Cold chamber die casting is ideal for metals like aluminum with high melting points

Aluminum Die Casting

Lightweight and carrion-resistant, aluminum is a popular choice for die casting. Benefits of aluminum die cast components include:

  • High strength-to-weight ratio
  • Good hardness
  • Easy to cast
  • Electrically conductive
  • Thermally conductive
  • Recyclable
  • High operating temperatures

Magnesium Die Casting

Lighter than steel and aluminum, magnesium offers a variety of benefits, including:

  • Excellent dimensional stability
  • Recyclable
  • Impact resistant
  • High strength-to-weight ratio
  • Thin wall capability for large components
  • Can withstand high temperatures
  • EMI/RFI shielding

Zinc Die Casting

Offering a smooth surface finish, zinc provides the tight tolerance and aesthetic finishes ideal for a wide range of die cast components. Additional benefits of zinc die casting include:

  • Low melting point makes it an eco-friendly option
  • High strength
  • Quality finishes
  • Electrical conductivity
  • High thermal conductivity
  • Can be cold formed
  • Can be cast with thin walls and complex shapes

Which Die Cast Metal is Best for Your Project?

The best die cast metal depends on your project requirements and application uses. Factors to consider when choosing the right metal for high-pressure die casting include:

  • Electrical and thermal conductivity requirements
  • Hardness and strength requirements
  • Extreme temperature or harsh environmental stressors

Work with Trusted Die Casting Manufacturers for High-Performance Components and Parts

It can be time consuming and overwhelming determining which metal is best suited for your project requirements. Compass & Anvil can find you the right die casting manufacturer. Call us at 408-205-1319 or contact us and get started on a die casting project today.


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