显微组织对高强耐候钢腐蚀性能的影响研究

石践, 胡学文, 张道刘, 曹卉丹, 何博, 浦红, 郭锐, 汪飞

Influence of Microstructure on Corrosion Resistance of High Strength Weathering Steel

SHI Jian, HU Xuewen, ZHANG Daoliu, CAO Huidan, HE Bo, PU Hong, GUO Rui, WANG Fei

表1 实验材料化学成分

Table 1 Chemical compositions of experimental materials

Material C Si Mn P S Cr Ni Cu Ti Fe Q345B steel 0.17 0.20 1.40 0.011 0.003 0.01 0.01 0.01 0.002 Bal. Experimental materials 0.07 0.20-0.50 0.20~1.50 0.015 0.003 0.40~0.90 0.12~0.25 0.25~0.40 0.010~0.050 Bal.