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:
May. 21, 2019
Filed:
Jan. 05, 2012
Applicants:
Jacques Corquillet, Istres, FR;
Jacques Devroc, Arles, FR;
Jean-louis Hochard, Hayange, FR;
Jean-pierre Laurent, Istres, FR;
Antoine Moulin, Woippy, FR;
Nathalie Romanowski, Rurange les Thionville, FR;
Inventors:
Jacques Corquillet, Istres, FR;
Jacques Devroc, Arles, FR;
Jean-Louis Hochard, Hayange, FR;
Jean-Pierre Laurent, Istres, FR;
Antoine Moulin, Woippy, FR;
Nathalie Romanowski, Rurange les Thionville, FR;
Assignee:
ArcelorMittal France, Saint Denis, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D 1/18 (2006.01); C21D 7/13 (2006.01); C21D 9/46 (2006.01); C21D 9/48 (2006.01); C23C 2/26 (2006.01); C21D 1/673 (2006.01); C22C 38/02 (2006.01); C22C 38/06 (2006.01); C22C 38/22 (2006.01); C22C 38/28 (2006.01); C22C 38/38 (2006.01);
U.S. Cl.
CPC ...
C23C 2/26 (2013.01); C21D 1/185 (2013.01); C21D 1/673 (2013.01); C21D 7/13 (2013.01); C22C 38/02 (2013.01); C22C 38/06 (2013.01); C22C 38/22 (2013.01); C22C 38/28 (2013.01); C22C 38/38 (2013.01); C21D 9/46 (2013.01); C21D 9/48 (2013.01); C21D 2211/001 (2013.01); C21D 2211/002 (2013.01); C21D 2211/005 (2013.01); C21D 2211/008 (2013.01);
Abstract
A steel part having a homogeneous multiphase microstructure in each region of the part, the microstructure containing ferrite, wherein the steel part is obtained by a process involving: