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What grade Aluminium for CNC machining?

May 31, 2023

When it comes to CNC machining, different grades of aluminum can be used depending on the specific requirements of the project. Here are some commonly used grades of aluminum for CNC machining:


1. 6061 Aluminum: This is one of the most popular aluminum alloys for CNC machining. It offers a good balance of strength, machinability, and cost-effectiveness. 6061 aluminum is suitable for a wide range of applications, including automotive parts, aerospace components, and consumer products.


2. 7075 Aluminum: Known for its high strength-to-weight ratio, 7075 aluminum is often used in applications that require superior strength, such as aerospace, military, and sports equipment. However, it is worth noting that 7075 aluminum can be more challenging to machine compared to other grades.


3. 2024 Aluminum: Another high-strength aluminum alloy, 2024 is commonly used in aerospace applications and structural components. While it offers good machinability, it is not as corrosion-resistant as other alloys.


4. 5052 Aluminum: This grade of aluminum is often used for sheet metal fabrication and CNC machining of small parts. It has good formability and weldability, making it suitable for various applications such as electronic enclosures, signage, and marine components.


5. 6063 Aluminum: This alloy is commonly used for extrusion processes, which produce long shapes with a consistent cross-section. It is often chosen for applications such as architectural framing, window and door frames, and heat sinks.


It's important to consider factors such as the specific requirements of your project, the desired strength, corrosion resistance, machinability, and cost when selecting the appropriate grade of aluminum for CNC machining. Consulting with a materials engineer or a CNC machining expert can help you determine the most suitable aluminum grade for your specific needs.


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