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. 19, 2017
Filed:
Dec. 09, 2016
Arcelormittal France, Saint Denis, FR;
Astrid Perlade, Montigny les Metz, FR;
Olivier Bouaziz, Metz, FR;
Xavier Garat, Homecourt, FR;
Josée Drillet, Rozerieulles, FR;
Jean-Louis Uriarte, Metz, FR;
ArcelorMittal France, Saint Denis, FR;
Abstract
A cold-rolled and annealed ferritic steel sheet is provided. The steel has a composition comprising, expressed by weight: Σdi denotes the total length of grain boundaries containing κ precipitates relative to an area (A) and ΣLi denotes the total length of the grain boundaries relative to the area (A). A content of carbon in solid solution is less than 0.005% by weight, and the cold-rolled and annealed ferritic steel sheet has a thickness between 0.6 mm and 1.5 mm. A skin part or structural part for the automotive field is also provided.