high frequency induction heating machine for brazing/welding power:15kw frequency:30-100KHz ... , phase failure and unfit lad and so on, machine can be protected from destroys and machines can be ... : heat treatment of small partsMelting: small amount metal melting, for example: <2KG of gold, silver, copper, brass melting; ... alloy melting.Etc. Hot High Frequency Induction Heating Machine for Welding