6061-t6 sheet metal is a high-strength, high hardness aluminum alloy material, belonging to the 6000 series of aluminum-magnesium-silicon alloy, with medium strength, good corrosion resistance, weldability and high-quality oxidation effect. The al 6061 t6 sheet metal hardness can reach more than HV90 degrees, and no trachoma porosity, good flatness, can improve processing efficiency and reduce material costs. Aluminum 6061 T6 sheet metal after heat treatment …