The basic working principle of electric welding is that we reduce the voltage through the commonly used 220V voltage or 380V industrial power, through the pressure reducer in the welding machine, enhance the current, and make the electric energy generate huge arc heat to melt the steel. The integration of the electrodes makes the fusion between the steels higher. (Also, the outer layer of the electrode has a very large effect, do not believe that you can knock the powder to see if it can be welded). Of course this explanation is popular.
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