预应变亚稳态奥氏体不锈钢（S30408）深冷低周疲劳性能

王一博,丁会明,郑津洋,陆群杰,王振宇,徐平,陈志伟

Cryogenic low-cycle fatigue performance of pre-strained metastable austenitic stainless steel (S30408)

Yi-bo WANG,Hui-ming DING,Jin-yang ZHENG,Qun-jie LU,Zhen-yu WANG,Ping XU,Zhi-wei CHEN

表 1 试验用S30408不锈钢的化学成分

Tab.1 Chemical compositions of S30408 stainless steel under testing

材料 wB /% C Si Mn P S Cr Ni Mo N S30408 0.036 0.390 1.120 0.035 0.005 18.310 8.180 0.091 0.032 GB24511 ≤0.08 ≤0.75 ≤2.00 ≤0.035 ≤0.015 ≤18.00~20.00 ≤8.00~12.00 − ≤0.10