6061 vs. 7075 Aluminum: Differences in Properties, Strength and Uses

Aluminum alloys remain top-of-the-line materials used in several different industries today.

Among the most popular aluminum alloys for manufacturing are 6061 aluminum and 7075 aluminum. During material selection, it is crucial to understand the various features of the materials in question. Below is a comparison between 6061 and 7075 aluminum alloys about chemical properties & mechanical properties, so as to highlight the differences between them.

6061 aluminum has good formability, excelling in extrusion projects, and is easily joined via welding. Its moderately high strength and its fair resistance to corrosion allow type 6061 aluminum to be a great general-purpose alloy, with many applications in structural materials, welded assemblies, piping, fasteners, electronic parts, and many more.

7075 aluminum is one of the strongest types of aluminum available, yet is difficult to form and weld and it is more easily degraded by corrosive effects. These downsides are justified by 7075 aluminum’s impressive strength, where it excels in high-stress environments as found in the aerospace industry, high-wear parts, structural materials, and military applications.

There are many other considerations when choosing an alloy for a project.

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