Method for softening and rolling cold forging steel

The invention discloses a method for softening and rolling a cold forging steel. The main process flow comprises the steps of heating, rolling, performing finish rolling, spinning, performing Sitaimoer roller controlled cooling, collecting, transporting, bundling, performing coil discharging, keeping the temperature in a temperature controlled chamber and performing stack cooling, wherein after collecting is finished, the cold forging steel coil is put to a P-F transportation line and the steel coil is rapidly transferred to a bander along a straight line rail; after coil discharging is finished, the steel coil is put to the temperature controlled chamber and slowly operates in the temperature controlled chamber until the temperature is 400-600 DEG C when the steel coil reaches the outlet; and finally stack cooling is performed to achieve room temperature. By adopting the method, the problems of low plasticity of the steel material and easy cracking of the cold forging steel due to integrated inner stress of the rolled cold forging steel are solved, the deep processing capability of the steel material is increased and the non-annealing of the cold forging steel is realized.