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Home > News > The difference between 6061 aluminum and 7075 aluminum

The difference between 6061 aluminum and 7075 aluminum

2020-06-22

The difference between 6061 aluminum and 7075 aluminum

1. Composition


Although the alloys that make up 6061 and 7075 are similar, the actual amounts of alloy formulations for each component vary greatly.

The composition of 6061 aluminum includes magnesium, silicon, iron, copper, zinc, titanium, manganese, chromium, etc.

The composition of 7075 aluminum is composed of the same alloy, but is different from the contents of magnesium, silicon, iron, copper, zinc, titanium, manganese, and chromium, as well as other metals that make up the series.

2. Properties

The properties of 6061 aluminum include corrosion resistance, weldability, medium and high strength, and good practicality.
7075 aluminum has high strength, stress resistance, practicality and improved resistance to stress corrosion.

3. Strength
In terms of strength, 7075 is stronger than steel, and the strength of permanent bending deformation of aluminum is stronger than 6061.

4. Different prices:

6061 is the most common aluminum material, with light weight, good strength and average price.
7075 is the lightest and strongest aluminum material, and its price is slightly more expensive than 6061.

5. Different practicality:

7075 contains a high proportion of other metals, so welding and handling are more difficult, so it is generally not used as a frame material.

Because 6061 has a lower proportion of other metals, it can be shaped and treated to increase its strength and reduce its wind resistance. It can even be drawn three times to reduce weight.

The choice of 6061 aluminum or 7075 aluminum depends on its application most of the time, and sometimes is affected by personal preferences.

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