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:
Nov. 28, 2023
Filed:
Dec. 21, 2016
Applicant:
Arcelormittal, Luxembourg, LU;
Inventors:
Maya Gospodinova, Maizieres-les-Metz, FR;
Véronique Hebert, Saint-Julien-les-Metz, FR;
Assignee:
ARCELORMITTAL, Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 8/02 (2006.01); B23K 11/11 (2006.01); B23K 35/30 (2006.01); C22C 38/04 (2006.01); C22C 38/22 (2006.01); C22C 38/26 (2006.01); C22C 38/34 (2006.01); C23C 2/06 (2006.01); C23C 2/28 (2006.01); C23C 2/40 (2006.01); B23K 103/04 (2006.01);
U.S. Cl.
CPC ...
C21D 8/0236 (2013.01); B23K 11/11 (2013.01); B23K 35/3073 (2013.01); C21D 8/0205 (2013.01); C21D 8/0226 (2013.01); C21D 8/0263 (2013.01); C22C 38/04 (2013.01); C22C 38/22 (2013.01); C22C 38/26 (2013.01); C22C 38/34 (2013.01); C23C 2/06 (2013.01); C23C 2/28 (2013.01); C23C 2/40 (2013.01); B23K 2103/04 (2018.08); C21D 2211/001 (2013.01); C21D 2211/002 (2013.01); C21D 2211/005 (2013.01); C21D 2211/008 (2013.01);
Abstract
A method for producing a coated steel sheet having a tensile strength TS of at least 1100 MPa, a total elongation TE according to ISO standard 6892-1 of at least 12%, the product TSxTE of the tensile strength by the total elongation being at least 14200 MPa %, and a hole expansion ratio HER according to ISO standard 16630:2009 of at least 25%, the method including the following successive steps: