Mill scale and mill scale fines: Liquefaction risk Skuld
#0183;#32;Mill scale and mill scale fines (herewith referred to only as mill scale) are brittle flakes consisting mainly of iron oxides, derived as byproducts from steel manufacturing. The product can be reused as a feedstock in steel production and is therefore collected from various sources and shipped as a bulk commodity once sufficient quantities have been piled up.