晶粒尺寸对304奥氏体不锈钢组织演变和性能的影响

孙京丽,周海涛,陈莉,吴宏,刘维丽,姚斐,徐玉棱

Grain Size Effect on Microstructure Evolution and Properties of 304 Austenitic Stainless Steel

Jingli SUN,Haitao ZHOU,Li CHEN,Hong WU,Weili LIU,Fei YAO,Yuling XU

表1 两种初始热处理试样的力学性能

Table 1 Intial mechanical properties of pre-heated samples

Specimen Rm/MPa HRB(RD) HRB(ND) HRB(TD) R1-1# 659±2.1 80.2±1.1 82.5±0.8 81.3±3.7 R1-2# 625±2.3 79.5±3.8 89.9±0.9 89.1±2.3