... , saw blades, reamer, boring knife.The advantage for use the alloy cutter welding:(1). Induction heating speed ... off and other negative phenomenon.(4).suitable for welding of high performance,high hardness serrated blades ... electric heating tube parts and fasteners.The advantage for use the metal welding:(1). Induction heating speed ... ,firm,full after welding. Induction Brazing Machine for Copper Tube