Q235和Q450NQR1在中国南沙海洋大气环境中暴晒34个月后的腐蚀行为

刘雨薇, 顾天真, 王振尧, 汪川, 曹公望

Corrosion Behavior of Q235 and Q450NQR1 Exposed to Marine Atmospheric Environment in Nansha, China for 34 Months

LIU Yuwei, GU Tianzhen, WANG Zhenyao, WANG Chuan, CAO Gongwang

表1 Q235和Q450NQR1钢的化学成分 (mass fraction / %)

Table 1 Chemical compositions of Q235 and Q450NQR1 steels

Steel C Si Mn P S Cr Ni Cu Fe Q235 0.22 0.08 0.10 0.015 0.003 - - - Bal. Q450NQR1 0.08 0.31 0.41 0.073 0.006 0.47 0.15 0.29 Bal.