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The main alloying elements of 6061 aluminum rod are magnesium and silicon, and form Mg2Si phase. If it contains a certain amount of manganese and chromium, it can neutralize the bad effects of iron; sometimes a small amount of copper or zinc is added to increase the strength of the alloy without significantly reducing its corrosion resistance; there is a small amount of conductive materials Copper to offset the adverse effects of titanium and iron on conductivity; zirconium or titanium can refine the grain and control the recrystallized structure; in order to improve the machinability, lead can be added

Mg2Si is solid-dissolved in aluminum, which makes the alloy have artificial age hardening function.

6061-T6511 is the main alloy of the 6-series alloy, and is a high-quality aluminum alloy product that has undergone heat treatment and pre-stretching. Although its strength cannot be compared with the 2XXX series and the 7XXX series, its magnesium and silicon alloys have many characteristics and have excellent properties. Excellent processing performance, excellent welding characteristics and electroplating, good corrosion resistance, high toughness and no deformation after processing, compact material without defects and easy polishing, easy color film, excellent oxidation effect and other excellent characteristics.

chemical composition

Mechanical properties

Note: Longitudinal mechanical properties of bars at room temperature

It is suitable for extruded rods, shapes and pipes which are stretched according to the specified amount after solution heat treatment or cooling from high temperature forming process, as well as drawn pipes. These products will not be straightened after being stretched.

The permanent deformation of extruded rods, shapes and pipes is 1% to 3%; the permanent deformation of drawn pipes is 1.5% to 3%.