... usage:weld,harden,forge,anneal and melt High Frequency Induction Wood Working Tools Welding equipmentWelding (brazing, silver soldering, copper brazing):It ... soldering, brazing; 3, Soldering of composite pot is mainly used for round, square and other shaped surface stainless steel ... kettle (electric coffee pot) of hot plate is mainly used for stainless steel flat-bottomed, aluminum heating pipe with ...