How to Choose the Best Aluminum for Die Casting?

Die casting is a manufacturing process that enables the production of complex metal parts through the use of reusable molds, called dies. One of the most commonly used metals in this process is aluminum due to its excellent thermal and electrical conductivity, light weight, and ability to withstand high operating temperatures. However, not all aluminum is created equal. Specific alloys – A360, A380, and A383 – are particularly suitable for die casting. As a professional aluminum die casting company in China, we will introduce how to choose the best aluminum alloy for your die casting needs.

Understanding Aluminum Die Casting

Before we delve into the types of aluminum alloys, let’s first understand why aluminum is favored in die casting. Aluminum has high dimensional stability for complex shapes and thin walls while retaining high heat resistance and corrosion resistance. It’s also known for its strength-to-weight ratio, which is higher than that of any other common metal. These features make it the ideal choice for various applications, ranging from automotive components to lighting industry.

Choosing the Right Aluminum Alloy for Die Casting

How to Choose the Best Aluminum for Die Casting

Choosing the right aluminum alloy for your die casting project depends on several factors, including the desired properties of the final product, cost constraints, and manufacturing process. The most common aluminum alloys for die casting are A360, A380, and A383.

A360 Aluminum Alloy
A360 aluminum alloy offers excellent pressure tightness and fluidity. This alloy is known for its superior corrosion resistance and high-temperature performance. It’s an ideal choice when your product needs to withstand harsh weather conditions or high operating temperatures. However, compared to other alloys, A360 is more expensive and may require a longer die casting cycle time. Use A360 when you prioritize product durability and longevity over cost and speed of production.

A380 Aluminum Alloy
A380 is the most widely used aluminum alloy in die casting. It combines excellent castability, durability, and is cost-effective. With good fluidity, thermal conductivity, and resistance to hot cracking, A380 can handle intricate designs and thin-wall applications. Its mechanical properties make it a versatile choice for a wide variety of products. However, its corrosion resistance is slightly lower than A360. Choose A380 if you want an all-rounder alloy that balances cost and performance.

A383 Aluminum Alloy
A383 aluminum alloy, also known as ADC12, offers similar performance to A380 but with improved die filling characteristics at lower temperatures. This makes it suitable for applications that require intricate shapes or detailed features. It’s also a good choice if you need to die-cast at lower temperatures or if the die has thin sections. A383 is a cost-effective choice with good mechanical properties, but it does offer slightly lower corrosion resistance than A360. If your product requires complex design and fine detailing, A383 is an excellent choice.

Working with a Trusted Manufacturer: CFS Foundry

Choosing the right aluminum alloy for your project is not enough. Partnering with a trusted and experienced die casting manufacturer is also very important. CFS Foundry has been in the business for decades, offering high-quality aluminum die casting services. With advanced technology and a team of experienced professionals, we can guide you in choosing the right alloy for your product and ensuring the best results.

CFS Foundry can handle a wide range of die casting projects, from small parts to large components, and our expert team is well-versed in working with various aluminum alloys. We can guide you through the pros and cons of each alloy, taking into account your project requirements, budget, and timelines. Our dedication to quality control ensures that every die-cast part meets or exceeds your expectations.


The selection of the right aluminum alloy for die casting is crucial in determining the performance, durability, and overall quality of the final product. A360, A380, and A383 each offer unique properties that can be harnessed depending on the specific needs of your product. Coupled with the expertise of a reliable die casting manufacturer like CFS Foundry, you can optimize your product for success.

Remember that while cost is a significant consideration, it should not compromise the quality and longevity of your product. Consider all these factors carefully, and consult with experts in the field, such as CFS Foundry, to ensure the best outcome for your aluminum die casting project.

By understanding the unique properties and advantages of each aluminum alloy, and leveraging the expertise of a trusted manufacturer, you can make an informed choice about the best aluminum for your die casting needs. It’s all about balancing cost, performance, and manufacturability to create a product that meets your vision and stands the test of time.


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