... saw blade welding ,etc. 1.metal tube welding: such as copper tube, steel tube, and aluminum tube’s butt welding, ... and other negative phenomenon.E. Suitable for welding of high performance,high hardness serrated blades, this blades can not be welded ... welding. F. Less electricity consumption. G. Induction heating, high speed, high efficiency. H. Compared with oxygen welding, energy saving and ...