17-4 PH不锈钢在含SRB的模拟海水中的应力腐蚀开裂行为研究

马鸣蔚, 赵志浩, 荆思文, 于文峰, 谷义恩, 王旭, 吴明

Corrosion Behavior of 17-4 PH Stainless Steel in Simulated Seawater Containing SRB

MA Mingwei, ZHAO Zhihao, JING Siwen, YU Wenfeng, GU Yien, WANG Xu, WU Ming

表1 17-4 PH不锈钢的化学成分

Table 1 Chemical composition of 17-4 PH stainless steel (mass fraction / %)

Value C Mn Si S P Cr Ni Cu Nb Fe Nominal ≤0.07 ≤1.00 ≤1.00 ≤0.03 ≤0.03 15.0~17.5 3.00~5.00 3.00~5.00 0.15~0.45 Bal. Measured 0.04 0.28 0.51 0.021 0.027 16.0 4.15 3.40 0.30 Bal.