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.

Date of Patent:
Oct. 25, 2016

Filed:

Jun. 08, 2012
Applicants:

Junya Naitou, Kobe, JP;

Toshio Murakami, Kobe, JP;

Shushi Ikeda, Nagoya, JP;

Keisuke Okita, Kobe, JP;

Inventors:

Junya Naitou, Kobe, JP;

Toshio Murakami, Kobe, JP;

Shushi Ikeda, Nagoya, JP;

Keisuke Okita, Kobe, JP;

Assignee:

Kobe Steel, Ltd., Kobe-shi, Hyogo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/28 (2006.01); C22C 38/32 (2006.01); C22C 38/34 (2006.01); C21D 1/673 (2006.01); C21D 8/00 (2006.01); B21D 22/00 (2006.01); B21D 22/02 (2006.01); B21D 22/20 (2006.01); B21D 37/16 (2006.01); C21D 6/00 (2006.01); C21D 1/18 (2006.01); C21D 1/20 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/12 (2006.01); C22C 38/14 (2006.01); C22C 38/16 (2006.01); C22C 38/18 (2006.01); C22C 38/20 (2006.01); C22C 38/22 (2006.01); C22C 38/24 (2006.01); C22C 38/26 (2006.01); C21D 8/04 (2006.01);
U.S. Cl.
CPC ...
B21D 22/022 (2013.01); B21D 22/208 (2013.01); B21D 37/16 (2013.01); C21D 1/18 (2013.01); C21D 1/20 (2013.01); C21D 1/673 (2013.01); C21D 6/00 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (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); C22C 38/16 (2013.01); C22C 38/18 (2013.01); C22C 38/20 (2013.01); C22C 38/22 (2013.01); C22C 38/24 (2013.01); C22C 38/26 (2013.01); C22C 38/28 (2013.01); C22C 38/32 (2013.01); C21D 8/0426 (2013.01); C21D 8/0436 (2013.01); C21D 2211/001 (2013.01); C21D 2211/008 (2013.01);
Abstract

There is provided a hot press-formed product, including a thin steel sheet formed by a hot press-forming method, and having a metallic structure that contains bainitic ferrite at 70% to 97% by area, martensite at 27% by area or lower, and retained austenite at 3% to 20% by area, the remainder structure of which is at 5% by area or lower, whereby balance between strength and elongation can be controlled in a proper range and high ductility can be achieved.


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