... applicability, process effect. 2) Removing old welds and scarfing billets Welding carbon rodOur products are mainly application for hard alloys ,graphite ... ,casting steel ,continuous casting ,ray-cable and so on .When use the carbon rods ,must take something into consideration ,such as ... anode ,and task to the cathode .2)Keep aeration during use ,operate accord with the work limit .3)The electrodes ...