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Die casting is a manufacturing procedure in which molten metal is put into molds under high pressure. Unlike other casting processes, most of the metals used in die casting are non ferrous, including magnesium, aluminum, lead, and zinc. This manufacturing process was founded more than a century ago to easily and quickly make movable pieces. Die casting produces accurate and dimensionally precise metal parts that feature a smooth finish. Here is a look at the die casting process and everything you need to know.

Types of Die Casting

There are two methods of die casting; cold and hot chambered processes. The method used is based on the type of metal and the part being manufactured. The hot chambered process is the most common type as it combines the injecting and liquefying process in the same chamber. This method is excellent for metals with low melting points, such as magnesium, zinc, and lead. Hot chamber casting uses relatively low temperatures and hence works best for single metals instead of alloys.

On the other hand, cold chambered casting supports ultra-high melting points, which makes it ideal for producing alloyed pieces such as brass, aluminum, or copper. However, the drawback of this process is its slower operating speed. It takes more time to pump the molten substance, it requires to be heated in a separate location, and it’s more costly. Regardless of the casting method, the five basic steps include; clamping, injection, cooling, ejection, and trimming.

Types of Metals Used

As stated earlier, die casting mostly uses nonferrous metals. However, the particular type of metal used in the process depends on its aimed final use. Die casting metals should be able to maintain their characteristics and properties during and after melting. The common metals used for die casting include; zinc, aluminum, tin, bronze, brass, magnesium, stainless steel, silicon, lead, carbon steel, etc. aluminum is mostly used for truck and automobile parts for its corrosion resistance and lightweight properties. In contrast, stainless steel is used in making medical instruments.

Items Produced Through Die Casting

Die casting creates a range of items. Automotive parts make up a significant chunk of products produced by most manufacturers, including Southeast Asia die casting company. Solid and complex pieces such as automotive transmission cases are made from high-quality aluminum.

Various parts need to be made from lightweight and pure alloys and metals for aircraft, including seats. The die casting process is effective in making lightweight parts that help increase the lift. When it comes to boats, the die casting process effectively makes propellers and other parts such as outboard motor swivels. Generally, everything you use in your everyday life, from tablet frames, camera, and television housings to various materials, is made via various casting processes.


The die casting process is a vital part of the manufacture and production of most products we use in our daily lives. The world now depends on die casting and the ability to produce mechanical devices with great precision. We hope this article has given you a general overview of the die casting process and its products.

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Robin Hood

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