The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2026
Filed:
Aug. 23, 2024
Nippon Steel Corporation, Tokyo, JP;
Kotaro Ishii, Tokyo, JP;
NIPPON STEEL CORPORATION, Tokyo, JP;
Abstract
Employed is a plated steel material including: a plated-metal-layer arranged on a surface of a steel material, wherein the plated-metal-layer includes: a lower alloy layer including 22.5% or more of Fe; an intermediate alloy layer including 20.0% or more of Fe and 0.5 to 10.0% of Ni; and an upper plated layer made of a Zn-based alloy including 0 to 5.0% of Fe arranged in this order from a side of the steel material, a thickness of the lower alloy layer is 5 μm or more, a thickness of the intermediate alloy layer is 1.0 μm or more, and a total thickness thereof is 6 μm or more, the lower alloy layer includes 5.0 to 30.0% of Zn, 30.0 to 55.0% of Al, 22.5 to 50.0% of Fe, 0 to 10.0% of Si, 0 to less than 0.5% of Ni, 0 to 1.0% of Mg, and a balance including impurities, and the intermediate alloy layer includes 5.0 to 35.0% of Zn, 25.0 to 60.0% of Al, 20.0 to 45.0% of Fe, 0 to 10.0% of Si, 0.5 to 10.0% of Ni, 0 to 1.0% of Mg, and a balance including impurities.