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:
Mar. 06, 2018
Filed:
May. 07, 2013
Applicant:
Tata Steel Ijmuiden Bv, Velsen-Noord, NL;
Inventors:
Rolf Arjan Rijkenberg, Haarlem, NL;
David Neal Hanlon, Hillegom, NL;
Assignee:
TATA STEEL IJMUIDEN B.V., Velsen-Noord, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/12 (2006.01); C21D 9/46 (2006.01); C21D 8/02 (2006.01); B62D 29/00 (2006.01); C22C 38/00 (2006.01); B21B 1/38 (2006.01); B21B 15/00 (2006.01); C22C 38/14 (2006.01);
U.S. Cl.
CPC ...
B62D 29/007 (2013.01); B21B 1/38 (2013.01); B21B 15/00 (2013.01); C21D 8/0226 (2013.01); C21D 8/0263 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/004 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/12 (2013.01); C22C 38/14 (2013.01); B21B 2015/0057 (2013.01); C21D 2211/004 (2013.01); C21D 2211/005 (2013.01); Y10T 428/12799 (2015.01);
Abstract
A high strength hot rolled steel sheet with an excellent combination of tensile strength of at least 550 MPa and formability, including weight percent wherein the steel sheet has a precipitation strengthened and substantially single-phase ferritic microstructure, wherein the volume fraction of the ferrite phase in said microstructure is not lower than 97%, and wherein the precipitates in the microstructure comprise fine precipitates of composite carbides containing Mo and V and optionally Nb.