Data Sheet CNC machining MaterialSteel, Zinc, Aluminium, Brass, Copper, Bronze, ADC12, A380, ALSI9CU3, ALSI12FE, A390, ADC14, Aluminium alloy, steel alloy, 1045 steel, sus304, 45cr, 40cr, 38crsi, Magnesium alloy, etc.Surface treatmentNickel plating, zinc coating, chrome plating, and oxidation, Polishing, chrome plating, phosphating etcCNC..