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US 12,753,476 B2Granted
Slurry-blasted hot-roll-based hot dip aluminized steel strip
AssigneeCleveland-Cliffs Steel Properties Inc.
InventorsJames F. Evans, Andrew Miller
Life of this patent
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Abstract
Preparing a coated steel including the steps of hot rolling or cold rolling, slurry blasting, and coating. The step of hot rolling or cold rolling including rolling a steel ingot to form a steel strip. The step of slurry blasting including slurry blasting at least one side of the steel strip. The step of coating being performed after slurry blasting and including coating the steel strip with an aluminum-based coating.
Claims9
A method for preparing a coated steel, the method comprising:
- (a) hot rolling or cold rolling a steel ingot to form a steel strip;
- (b) slurry blasting at least one side of the steel strip;
- and
- (c) after the step of slurry blasting, coating the steel strip with an aluminum-based coating,
- wherein the step of slurry blasting at least one side of the steel strip includes adjusting a feed speed and pressure associated with the slurry blasting in real-time based on visual scale removal from the steel strip.
2 more elements
Dependencies are inferred from the claim text.