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Can 6061 aluminum alloy be heat treated? How to heat treatment?

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6061 aluminum
 

Can 6061 aluminum alloy be heat treated?


6061 aluminum alloy can be heat treated with T4 and T6:


T4:The natural aging to a substantially stable state after T4 solution heat treatment is suitable for products that are not subjected to cold working after solution heat treatment (straightening and leveling, but not affecting the mechanical properties limit).


T6:The state of artificial aging after T6 solution heat treatment is suitable for products that are not subjected to cold working after solution heat treatment (straightening and leveling, but not affecting the mechanical properties limit).


How to heat treatment?


  • 1.The aluminum alloy is incubated at 535 ± 5 ° C for 5.5 ± 0.5 hours, and then quenched in water at 80 ± 10 ° C, the quenching time can not be less than 5 min.

  • 2.It was then aged for 4 ± 0.5 hours in a low temperature furnace at 165 ± 5 °C. After coming out, the hardness generally reaches HB80-90, the elongation is more than 8%, and the tensile strength is above 250MPa.

  • 3.The technical problem is mainly the heat preservation problem, it must be carried out according to the process, and it should be as fast as possible from the high temperature furnace to the water quenching, otherwise it will affect the solid solution effect and affect the heat treatment effect!




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