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. 29, 2016
Filed:
Mar. 15, 2012
Katsumi Kojima, Fukuyama, JP;
Takumi Tanaka, Fukuyama, JP;
Mikito Suto, Chiba, JP;
Masaki Tada, Fukuyama, JP;
Yoichi Tobiyama, Chiba, JP;
Katsumi Kojima, Fukuyama, JP;
Takumi Tanaka, Fukuyama, JP;
Mikito Suto, Chiba, JP;
Masaki Tada, Fukuyama, JP;
Yoichi Tobiyama, Chiba, JP;
JFE STEEL CORPORATION, Tokyo, JP;
Abstract
A steel sheet containing C: 0.02% or more and 0.10% or less, Si: 0.01% or more and 0.5% or less, P: 0.001% or more and 0.100% or less, S: 0.001% or more and 0.020% or less, N: 0.007% or more and 0.025% or less, Al: 0.01% or more and {−4.2×N (%)+0.11}% or less, Mnf: 0.10% or more and less than 0.30% where Mnf is defined by equation Mnf=Mn−1.71×S, and the balance being Fe and inevitable impurities, in which the steel sheet has a thickness of 0.35 (mm) or less, the product of the lower yield point (N/mm) of the steel sheet and the thickness (mm) is 160 (N/mm) or less, and the product of the upper yield point (N/mm) of the steel sheet is 52.0 (N) or more.