What Grade of Aluminium is used for CNC?

The grade of aluminum used for CNC machining can vary depending on the specific application and requirements. However, some commonly used aluminum grades for CNC machining include:

1. 6061 Aluminum: This is one of the most widely used aluminum alloys due to its versatility and good mechanical properties. It offers excellent corrosion resistance, high strength, and good machinability. It is commonly used for a wide range of CNC machined parts, including prototypes, automotive components, and structural parts.

2. 7075 Aluminum: This aluminum alloy is known for its exceptional strength-to-weight ratio, making it ideal for applications that require high strength and stiffness. However, it is less machinable compared to 6061 aluminum and may require more robust machining processes. It is commonly used in aerospace, military, and high-performance applications.

3. 5052 Aluminum: This alloy offers good corrosion resistance and moderate strength. It has excellent forming properties and can be easily machined. It is commonly used for parts with intricate shapes, such as brackets, panels, and electronic enclosures.

4. 5083 Aluminum: This alloy is primarily known for its high resistance to marine environments and excellent weldability. It has good strength and corrosion resistance, making it suitable for applications in the marine industry, as well as structural components subjected to harsh environments.

5. 6063 Aluminum: This alloy is commonly used for extrusion processes and is known for its excellent formability and smooth surface finish. It has good corrosion resistance and can be easily machined. It is often used for CNC machined parts with complex shapes, such as heat sinks, frames, and architectural components.

These are just a few examples of aluminum grades commonly used for CNC machining. The choice of aluminum grade depends on factors such as the specific application, desired mechanical properties, corrosion resistance requirements, and budget. It is always advisable to consult with a professional CNC machining provider or material supplier to determine the most appropriate grade of aluminum for the specific project.