Communes ferros immaculatos includunt 304, 304L, 316, 316L, 347, 310S, 904, etc. Continent omnia chromium, nickel et alia chemica. Exempli gratia, addita molybdaeni corrosio atmosphaerico atmosphaerico, imprimis resistentia corrosionis atmosphaerae chloridi continentis, amplius emendare potest.