The chemical composition of 6061 aluminum circle:

Silicon minimum 0.4%, maximum 0.8% by weight
Iron no minimum, maximum 0.7%
Copper minimum 0.15%, maximum 0.4%
Manganese no minimum, maximum 0.15%
Magnesium minimum 0.8%, maximum 1.2%
Chromium minimum 0.04%, maximum 0.35%
Zinc no minimum, maximum 0.25%
Titanium no minimum, maximum 0.15%
Other elements no more than 0.05% each, 0.15% total
Remainder aluminum (95.85–98.56%)

6061 aluminum circle application:

Magnesium and silicon are the main alloying elements in 6061 alloy. It has medium strength, good corrosion resistance, weldability and good oxidation effect. It is widely used in various industrial structural parts which require certain strength and high corrosion resistance.