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US 12,584,208 B2Granted
Coated metallic substrate
AssigneeArcelorMittal
InventorsDaniel Chaleix, Christian Allely, Eric Silberberg, Sergio Pace, Lucie Gaouyat
Life of this patent
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Abstract
A coated metallic substrate including at least a first coating consisting of aluminum is provided. The first coating has a thickness between 1.0 and 4.5 μm and is directly topped by a second coating based on zinc, such second coating having a thickness between 1.5 and 9.0 μm. The thickness ratio of the first coating with respect to the second coating is between 0.2 and 1.2.
Claims19
A coated steel substrate comprising:
- a steel substrate;
- and
- a first coating on the steel substrate, the first coating consisting of aluminum and having a thickness between 1.0 and 4.5 μm and being directly topped by a second coating based on zinc, the second coating having a thickness between 1.5 and 9.0 μm, a thickness ratio of the first coating with respect to the second coating being between 0.2 and 1.2.
Dependencies are inferred from the claim text.