Choose the Right Metal for Your Die Casting Project

The best metal depends on strength, weight, thermal performance, detail requirements, surface finish and production volume. Aluminum, zinc and magnesium each fit different OEM component needs.

Aluminum is often better for lightweight structural and thermal components, while zinc is better for fine details, dimensional stability and high-volume compact parts.

Yes. Magnesium has lower density than aluminum and is often considered for lightweight parts that require high strength-to-weight ratio.

ADC12 aluminum casting is often selected for general housings and castability, while A380 die casting material is commonly reviewed for structural parts requiring good strength and dimensional stability.

A380, A356 and selected magnesium alloys such as AZ91D may be reviewed for structural die casting parts depending on strength, weight, machining and process requirements.

Aluminum alloys are usually preferred for thermal components because they provide useful thermal conductivity, manageable weight and compatibility with machining and finishing.

Zamak is a family of zinc die casting alloys. Zamak 3 is common for general precision parts, while Zamak 5 can provide higher strength for mechanical components.

Zamak 3 is widely used for general zinc die casting with good castability and dimensional stability, while Zamak 5 provides higher strength for mechanical parts and load-bearing features.

AZ91D and AM60B are common magnesium die casting alloys used for lightweight structural components, portable equipment and weight reduction projects.

Heat treatment requirements can shift material selection toward aluminum or semi-solid casting routes, especially when T4, T5 or T6 performance targets are required.