- aluminium cans for the packaging of foodstuffs and beverages.
- bicycle frames and components.
- many fly fishing reels.
- The famous Pioneer plaque was made of this particular alloy.
- The secondary chambers and baffle systems in firearm sound suppressors (primarily pistol suppressors for reduced weight and improved mechanical functionality), while the primary expansion chambers usually require 17-4PH or 303 stainless steel or titanium