Lead is a rather different case, because liquid lead itself corrodes steel. The oxide layer is needed to protect the steel from the lead. FLiBe by itself does

Lead is a rather different case, because liquid lead itself corrodes steel. The oxide layer is needed to protect the steel from the lead. FLiBe by itself does not corrode steel. https://www.sciencedirect.com/science/article/abs/pii/S0010938X09000936 https://www.sciencedirect.com/science/article/abs/pii/S00109...