1,3 phase, 2,suitable for cutting stainless steel,copper,iron and aluminum metal Cutting capacity increased 1.8 times higher in cutting speed compare with flame cutter.Thick metal plate can be cut easily and quickly.suitable for cutting stainless steel,copper,iron and aluminium metal etc.Simple operation, smooth cutting surface.Hf untouched Arc-starting cuting (70,100,120)Hf touched Arc-staring ...