The application of nonhardened and tempered steel is predicted. 并预测了非调质钢的应用前景。
In particular,some typical methods are discussed with regard to en-hancing the toughness of high strength microalloyed engineering steels with ferrite-pearlite structure. 特别探讨了目前用量最大的高强度铁素体一珠光体非调质钢提高韧性的几个典型方法。