Aluminum 6061 typically costs around $2 to $3 per pound for raw material when purchased in bulk. In contrast, aluminum 7075-T6 is more expensive, usually ranging between $4 to $6 per pound. The cost of aluminum for CNC machining can vary depending on the grade and quantity. However, aluminum is one of the more affordable metals for CNC machining. Prices for common grades like aluminum 6063 or aluminum 7075-T6 are competitive, especially when purchased in bulk for larger projects. CNC aluminum machining services can reduce costs by optimizing designs for precision machine efficiency and minimizing material waste.

The most common CNC aluminum used in manufacturing is aluminum 6061, as it offers a good balance of strength, machinability, and corrosion resistance. The best temper for CNC is often T6, which is heat-treated to maximize its mechanical properties. Aluminum machining processes like aluminum milling are ideal for creating custom parts from this popular aluminum alloy.

The best aluminum for CNC is aluminum 7075-T6 because of its exceptional strength and resistance to stress. It is commonly used for aerospace applications and in situations where durable aluminum machined parts are required. However, for general-purpose CNC service, aluminum 6061 is also a top choice.