The properties of the "alloy, 6xxx series" is a mixed-alloy high strength can be strengthened by heat treatment (sedimentation, coagulation) through the presence of the main alloying elements of silicon, magnesium and their (mostly in the range of 0.3-1.5% by weight and SI mg) these alloys is generally less than 2xxx and 7xxx are strong, but the series has excellent weldability.
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