2021 Volume 107 Issue 12 Pages 998-1003
In order to clarify the effect of environmental factors on the atmospheric corrosion of steel, novel model for predicting the reduction of atmospheric corrosion considering relative humidity and rain falls was developed. We conducted a one-year calculation simulation of atmospheric corrosion in Miyakojima City, Choshi City, and Tsukuba City using the developed model. Corrosion weight loss by the simulation could reproduce the measured value well. Corrosion weight loss was greatly affected by the amount of airborne sea salt, relative humidity, and rain falls.