This time, the process layout plan of the 500000 ton bar rolling workshop is uploaded, distributing the gas producer, feeding pusher, feeding platform, charging roller table, heating furnace, pusher, furnace tail platform, heating furnace, tapping machine, discharging roller table, Φ 550 roughing mill (2V), Φ 450 roughing mill (5H) 1 # flying shear, Φ 450 medium rolling mill (7H), and transport roller table 3