2070 – 04 – Types of Aluminum Alloys

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Aluminum is almost always used as an alloy. Here are a few elements that are used to enhance aluminum’s positive qualities and mitigate its negative ones:

-Copper: Improves aluminum’s strength and mechanical properties.
-Manganese: Adds a good balance or improved strength and workability.
-Silicon: Makes the melting point of aluminum lower, which helps for welding.
-Magnesium: A popular metal that adds strength and hardness.

Even though aluminum alloys aren’t as strong as a lot of steel, it frequently has a better strength-to-weight ratio than most steels. This allows manufacturers to lower the weight on a product without sacrificing strength.