6061 aluminum alloy is a high-quality aluminum alloy produced by heat treatment pre-stretching process. Its strength can not be compared with 2XXX series or 7XXX series, but its magnesium and silicon alloys have many characteristics, and it has excellent processing performance and excellent welding characteristics. It has excellent characteristics such as electroplating property, good corrosion resistance, high toughness and no deformation after processing, compact and defect-free materials, easy polishing, easy filming and excellent oxidation.
The main alloying elements of 6061 aluminum alloy are magnesium and silicon, and form Mg2Si. If it contains a certain amount of manganese and chromium, it can neutralize the bad effect of iron; sometimes a small amount of copper or zinc is added to increase the strength of the alloy without significantly reducing the corrosion resistance; there is still a small amount in the conductive material. Copper to offset the adverse effects of titanium and iron on conductivity; zirconium or titanium can refine grains and control recrystallized structure; in order to improve machinability, lead and antimony can be added. The Mg2Si is solid-dissolved in aluminum, which gives the alloy an artificial age hardening function. The main alloying elements in 6061 aluminum alloy are magnesium and silicon, which have medium strength, good corrosion resistance, weldability and good oxidation effect.
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