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:
Oct. 28, 2025
Filed:
May. 22, 2024
Arcelormittal, Luxembourg, LU;
Pascal Drillet, Rozerieulles, FR;
Dominique Spehner, Balan, FR;
Ronald Kefferstein, Saint Mitre les Ramparts, FR;
ArcelorMittal, Luxembourg, LU;
Abstract
A hot stamped coated steel product, the hot stamped coated steel product comprising: a base steel; and a coating having a thickness of including, proceeding from the base steel outwards: (a) an interdiffusion layer, (b) an intermediate layer, (c) an intermetallic layer, and (d) a superficial layer, the base steel having a composition comprising: 0.15%<carbon<0.5%; 0.5%<manganese<3%; 0.1%<silicon<0.5%; 0.01%<chromium<1%; titanium<0.2%; aluminum<0.1%; phosphorus<0.1%; sulfur<0.05%; 0.0005%<boron<0.08%; a weight ratio of titanium content with respect to the nitrogen content being in excess of 3.42; a remainder being iron and impurities inherent in processing.