Differences between 7075 and 6061 aluminum sheet pieces

　　This article discusses differences between 7075 and 6061 aluminum sheet pieces in composition, hardness, price and application.
　　Composition
　　The 7075 aluminum sheet mainly uses zinc as the main alloy, with a composition ratio of 6%.
　　The 6061 aluminum sheet mainly uses magnesium and silicon as the main alloys, and the total composition ratio is low.
7075 and 6061 aluminum sheet
　　Hardness
　　On the strength of 7075, it is stronger than steel, but only slightly stronger. Yield strength (the strength of the permanent bending deformation of aluminum) is only a little stronger than 6061.
　　Price
　　7075 is the lightest and strongest aluminum, and 7075 aluminium sheet price is super expensive!
　　6061 is the most common aluminum, light, strong, and economical, its price is not so high.
　　Application
　　7005 has a high proportion of other metals, so it is difficult to weld and handle. In particular, 7075 (the latter two figures represent the proportion of alloys) has a higher proportion, so it is generally not used as a material for the frame.
　　Because 6061 aluminum sheet has a low proportion of other metals, it can increase its strength and reduce its wind resistance by special-shaped and various treatments. It can even reduce the weight by 3 pipe-drawing. On the whole, 6061 is a better material.
Reprinted from http://haomei-aluminium.com/en/News/Knowledge/differences-between-7075-and-6061-alumin.html

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