Cr 10.5 percent or more in Fe alloy forms self-healing Cr2O3 layer ~2 nm; 18-8 (304), 17-12-2 (316L) standard; passivation breaks down at low pH or high Cl- (pitting).
Cr 10.5 percent or more in Fe alloy forms self-healing Cr2O3 layer ~2 nm; 18-8 (304), 17-12-2 (316L) standard; passivation breaks down at low pH or high Cl- (pitting).