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:
Aug. 14, 2012
Filed:
Mar. 18, 2008
Tatsuya Nakagaito, Tokyo, JP;
Yoshitsugu Suzuki, Tokyo, JP;
Shusaku Takagi, Tokyo, JP;
Saiji Matsuoka, Tokyo, JP;
Takashi Kawano, Tokyo, JP;
Tatsuya Nakagaito, Tokyo, JP;
Yoshitsugu Suzuki, Tokyo, JP;
Shusaku Takagi, Tokyo, JP;
Saiji Matsuoka, Tokyo, JP;
Takashi Kawano, Tokyo, JP;
JFE Steel Corporation, , JP;
Abstract
A high-strength galvanized steel sheet having excellent formability contains as a chemical component of steel on a mass percent basis: 0.05% to 0.3% of C; more than 0.60% to 2.0% of Si; 0.50% to 3.50% of Mn; 0.003% to 0.100% of P; 0.010% or less of S; 0.010% to 0.06% of Al; 0.007% or less of N; and the balance including Fe and inevitable impurities, and in the microstructure of the steel sheet, the standard deviation of nano-hardness is 1.50 GPa or less.