湖南地区大气腐蚀严酷性的环境因素与大气腐蚀监测仪评定

王军, 陈军君, 谢亿, 徐松, 刘兰兰, 吴堂清, 尹付成

Evaluation of Environmental Factors Related with Atmosphere Corrosivity in Hunan Provice by Atmospheric Corrosion Monitoring Technique

WANG Jun, CHEN Junjun, XIE Yi, XU Song, LIU Lanlan, WU Tangqing, YIN Fucheng

表1 ACM环境腐蚀性评价标准与ISO环境腐蚀性评价标准的对比

Table 1 Comparison between ACM and ISO evaluation standards of environmental corrosion

Standard Unit Material Corrosivity grade of atmosphere C1 C2 C3 C4 C5 ISO μm·a-1 Carbon steel γcorr≤1.3 1.3＜γcorr≤25 25＜γcorr≤50 50＜γcorr≤80 80＜γcorr≤200 ACM C·cm2·a-1 Q235flat steel --- Q≤10.5 10.5＜Q≤22.7 22.7＜Q≤37.3 37.3＜Q≤96.0