四辊轧机轧制工艺参数对工作辊有载辊缝凸度的影响孙蓟泉;彭世广;陈永;单元胜;苏岚聚四氟乙【摘 要】The effect of annealing temperature and holding time on the structure and properties of 0. 3 mm SPCC was explored by the batch annealing simulation exp