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Aluminum is a material known for its high strength/weight ratio, making it an ideal material for various casting processes (investment casting, die casting, sand casting, and permanent mold casting). Aluminum alloy investment casting is widely used in aviation, aerospace, automobile, machinery, and other industries. Especially in the automobile industry, to reduce fuel consumption, it is an unavoidable trend to replace steel castings and iron castings with aluminum alloy castings.


Aluminum Investment Casting Alloy

A-356 Casting Alloy:

It is mainly composed of silicon, magnesium, iron, and zinc.



A-357 Casting Alloy:

It is mainly composed of silicon, beryllium, iron, copper, magnesium, titanium, zinc, and manganese.


C-355 Casting Alloy:

It is mainly composed of silicon, iron, copper, manganese, magnesium, zinc, and titanium.


F-357 Casting Alloy:

It is mainly composed of silicon, iron, copper, magnesium, titanium, zinc, and manganese.


Aluminum Lost Wax Casting Advantages

It can make large, thin-walled, and complex castings

The maximum size of aluminum alloy precision castings can reach 800~1000mm, the wall thickness is generally 1.5~2.0mm, the thinnest part is 0.75mm, and the size tolerance is 0.125mm/25mm.


The excellent surface quality of castings

It is strict for the surface roughness requirements of precision thin-walled aluminum lost wax investment castings, Ra≤0.8~3.2μm.


One-piece molding technology

Investment precision casting technology can make parts with very complex structures formed at one time, without the need to process different parts and then weld them into assemblies.


Improve material utilization

A large amount of metal needs to be removed from the forged blanks and mechanically processed parts, resulting in a large amount of material waste. Precision casting parts have a high degree of matching of machined parts, which can avoid unnecessary material waste and reduce manufacturing costs.


Aluminum investment casting applications

Aluminum lost wax precision castings are popular in many industries and applications. Medical and dental equipment, food and dairy products, aerospace, military, electronics, agriculture, etc. The specific application industries are as follows:


  • Car parts
  • Aircraft parts aluminum valve
  • Medical equipment
  • Metal lever
  • Hardware tools
  • Bracket

As a leading aluminum investment foundry in China, the castings produced by Yifei have an excellent surface finish and exquisite details. All of our aluminum alloy investment castings are produced using the precision investment casting process or wax mold precision process. We can also provide CNC machining and anodizing. Contact our professional team to provide you with customized aluminum investment casting solutions.


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If you would like to have a question then get in touch today, we are ready to assist 24/7. We welcome your cooperation and we will develop with you.

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