含1.4%Cu的HSLA钢的组织和力学性能

杜瑜宾, 胡小锋, 张守清, 宋元元, 姜海昌, 戎利建

Microstructure and Mechanical Properties of HSLA Steel Containing 1.4%Cu

DU Yubin, HU Xiaofeng, ZHANG Shouqing, SONG Yuanyuan, JIANG Haichang, RONG Lijian

表1 2种HSLA钢的化学成分

Table 1 Chemical compositions of two HSLA steels

Steel Content C Ni Mn Mo Cr Si S P Nb Cu Fe 0Cu Mass fraciton / % 0.037 4.03 0.97 0.50 0.99 0.21 0.005 0.006 0.040 0.010 Bal. Atomic fraction / % 0.170 3.89 0.99 0.29 1.07 0.42 0.009 0.011 0.024 0.009 Bal. 1.4Cu Mass fraciton / % 0.041 4.01 1.00 0.56 0.95 0.22 0.005 0.007 0.05 1.40 Bal. Atomic fraction / % 0.190 3.88 1.02 0.32 1.02 0.44 0.009 0.013 0.03 1.23 Bal.