
The Most Common Aluminum Alloys for Precision Turning & Milling in Contract Manufacturing
Choosing the right aluminum alloy can make or break a machined part’s cost, lead time, and in-field performance. In contract manufacturing—where volumes, designs, and end uses vary widely—the “best” aluminum depends on what you’re optimizing for: machinability, strength-to-weight, corrosion resistance, cosmetics, weldability, or regulatory compliance.
Below is a practical guide to the aluminum alloys we see most often in precision CNC turning and milling, with tips to help engineers write clearer prints and make smarter tradeoffs. Read More

