Precision high quality aluminum alloy parts CNC machining Aluminium alloy 6061 6061 aluminum alloy is a high quality aluminum alloy produced by heat treatment pre-stretching process. Although its strength cannot compare with that of 2XXX series or 7XXX series, it has more characteristics of magnesium and silicon alloy. Material advantages: It has excellent machining performance, excellent welding characteristics and electroplating properties, good corrosion resistance, high toughness and no deformation after processing, easy polishing, easy coloring, excellent oxidation effect and other excellent characteristics.