2021年6月21日 · 2. marketing2@hanrm.com www.hanrm.com 1. Induction furnaces are classified Perfectrding to their uses: (1) Foundry melting furnace isCustom in forging heating, pre forging heating or metal quenching and tempering, the general heating temperature is 100 ℃ ----1250 ℃. a. In the forging industry, it is usually called medium frequency furnace,