700 MPa级高塑低碳低合金钢的多相组织调控及性能

周文浩, 谢振家, 郭晖, 尚成嘉

REGULATION OF MULTI-PHASE MICROSTRUCTURE AND MECHANICAL PROPERTIES IN A 700 MPa GRADE LOW CARBON LOW ALLOY STEEL WITH GOOD DUCTILITY

ZHOU Wenhao, XIE Zhenjia, GUO Hui, SHANG Chengjia

表1 实验钢在不同热处理阶段后的力学性能

Table 1 Mechanical properties of experimental steels after different heat treatment steps

Sample ss / MPa sb / MPa Ag / % A / % Hot rolling 663 1015 6.3 17 A 686 1178 6.3 17 B 707 845 22.8 35 C 724 923 20.8 31