• date_rangePosted On :   May 09' 2016
• location_cityCity :   Tianjin
• languageCountry :   China
• content_pasteEnquiry No. :   B-137896

Mill scale, often shortened to just scale, is the flaky surface of hot rolled steel, sheets or profiles. Consisting of the iron oxides iron(II) oxide (FeO), Iron(III) oxide (Fe2O3), and iron(II,III) oxide (Fe3O4, magnetite). Mill scale is composed of iron oxides mostly ferric and is bluish black in color.

Mill Scale Specification
Fe 70% Basis, but not below 68%
Al2O3 1.00% Max
SiO2+CaO 3.00% Max
P 0.10% Max
S 0.10% Max

Physical- Sizes 0-10mm, 95% Min
10-40mm, 5% Max, but not exceed 40mm.
MOISTURE: 5% Max