... casting pieces, piston, aluminum etc light alloy parts quenching, annealing, aging of heat treatment with 1) USES:For high ... casting pieces, piston, aluminum etc light alloy parts quenching, annealing, aging of heat treatment with;Whole fibers car-bottom furnace ... be evenly heat penetrating into other alloy parts was fire, annealing, quenching and tempering treatment;(2) heating mode: resistance, fuel ...