3.Heat Treatment Section
Witnessing upon pipe acceptance; pipe heating for quenching ; surface descaling; pipe cooling in quenching bath or sprayer; pipe heating for tempering; diameter sizing; warm pipe straightening or cold pipe straightening;

heat treatment furnace	heat treatment furnace	heat treatment furnace
chain-type tempering furnace	chain-type hardening furnace	Annealing furnace
electrically heated gas-shielded heat treatment furnace	straightening machine	straightening machine
large-sized straightener	straightening machine