What Is Mill Scale - Web mill scale is porous and poorly adherent scale of magnetite, it will only give limited short term protection to steel against corrosion. Web what is mill scale? Learn how it affects steel structures, how to identify it, and how to remove it using mechanical, chemical, or thermal methods. The very high surface temperature combined with high roller pressures result in a smooth, bluish grey surface. If you are coating any steel surface against corrosion it is necessary to blast clean (with garnet or similar) to a finish of sa2.5 blast standard before coating.
The very high surface temperature combined with high roller pressures result in a smooth, bluish grey surface. Web what is mill scale? If you are coating any steel surface against corrosion it is necessary to blast clean (with garnet or similar) to a finish of sa2.5 blast standard before coating. Web mill scale is porous and poorly adherent scale of magnetite, it will only give limited short term protection to steel against corrosion. Learn how it affects steel structures, how to identify it, and how to remove it using mechanical, chemical, or thermal methods.