Alloy 400 kuj tseem muaj cov tshuaj tiv thaiv corrosion zoo heev nrog rau ntau yam kev tshaj tawm nrog seasater, hydfluoric acid, sulfuric acid, sulfuric acid, sulfuric acid, alkalis. Siv rau hauv marine engineering, tshuaj lom neeg, siv tshuaj, hydrocarbon ua cov khoom siv thiab kev hloov cua sov.