Patent ID: 9422629
Filing Date: 2016-08-23
CPC Classification: B21B,C23G

Claim Text:
1. A method of treating a rolled steel article, the method comprising: providing a first solution comprising an acid arranged to separate mill scale components from steel and a surfactant arranged to suspend separated mill scale components in the first solution; applying the first solution to a surface of the rolled steel article for a prescribed duration; rinsing the first solution from the surface of the rolled steel article by applying a rinse liquid to the rolled steel article; directing a first flow of air onto the surface of the rolled steel article to remove moisture from the surface of the rolled steel article; providing a second solution which is more volatile than water; applying the second solution to the surface of the rolled steel article; and directing a second flow of air onto the surface of the rolled steel article subsequent to application of the second solution until remaining moisture on the rolled steel article is substantially removed.