The main restriction in sheets thicker than 1 mm has been the cutting speed. Good quality cuts have been achieved less than 3000 mm/min with a minimum power of 300 W. With respect to gas pressure, the best results have been obtained with values of 4 bars. This is due to the fact that the oxygen flow should reduced as the thickness of the sheets becomes greater to avoid the exothermal reaction in the cutting area being too violent and damaging the area