新型钢中的准贝氏体由贝氏体铁素体和分布其上的残余奥氏体膜组成，处于贝氏体转变的初期阶段。新型准贝氏体钢具有优异的综合力学性能和简单易行的工艺性能，应用前景广阔 The new bainitic bainite consists of bainitic ferrite and the residual austenite film distributed on the bainite transformation in the early stages. New quasi-bainitic steel with excellent mechanical properties and simple process performance, broad application prospects