The optimum process of accelerated cyclic spheroidizing annealing for 45 steelis recommended. A botter result of energy saving and stable spheroidization quality can beachievcd.

• 推荐了一种适用45号钢的最佳快速循环球化退火工艺，不仅节能效果明显，而且工艺操作简单，质量稳定。