... ,hardening,forging and anealing High frequency electromagnetic induction heater for braze welding Machine featuers :1, small size, light ... high-pressure, very safe for the operator;4, the frequency bandwidth to meet the different parts of the heating before forging, ... , steel pipe, copper pipes, braze welding. SmeltingGold, silver, copper, aluminous and other metal smelting,. Other fieldsHeat fitting ...