Q345q桥梁钢和Q345qNH耐候钢在模拟工业大气+除冰盐混合介质中的腐蚀行为

郭铁明, 徐秀杰, 张延文, 宋志涛, 董志林, 金玉花

Corrosion Behavior of Q345q Bridge Steel and Q345qNH Weathering Steel in a Mixed Medium of Simulated Industrial Environment Solution and Deicing Salt

GUO Tieming, XU Xiujie, ZHANG Yanwen, SONG Zhitao, DONG Zhilin, JIN Yuhua

表1 Q345qNH钢和Q345q钢的化学成分

Table 1 The chemical composition of Q345qNH and Q345q (%, mass fraction)

Steels C Si Mn P S Al Ni Cr Cu V Nb Fe Q345qNH 0.076 0.28 1.52 0.012 0.001 0.027 0.36 0.48 0.31 0.032 0.0045 Bal. Q345q 0.158 0.246 1.245 0.023 0.022 - - - - - - Bal.