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.:

US 10077485 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 18, 2018

Filed:

Jun. 27, 2012
Applicants:

Takashi Kobayashi, Kawasaki, JP;

Nobuyuki Nakamura, Fukuyama, JP;

Yoshimasa Funakawa, Fukuyama, JP;

Inventors:

Takashi Kobayashi, Kawasaki, JP;

Nobuyuki Nakamura, Fukuyama, JP;

Yoshimasa Funakawa, Fukuyama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/26 (2006.01); C21D 6/00 (2006.01); C22C 38/00 (2006.01); C22C 38/06 (2006.01); C22C 38/04 (2006.01); C21D 9/46 (2006.01); C21D 8/02 (2006.01); C22C 38/02 (2006.01); C22C 38/24 (2006.01); C22C 38/38 (2006.01); C23C 8/26 (2006.01);
U.S. Cl.
CPC ...
C21D 9/46 (2013.01); C21D 6/002 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/0226 (2013.01); C21D 8/0263 (2013.01); C22C 38/00 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/24 (2013.01); C22C 38/26 (2013.01); C22C 38/38 (2013.01); C23C 8/26 (2013.01); C21D 2211/005 (2013.01); C21D 2211/009 (2013.01);
Abstract

A steel sheet for soft-nitriding has a composition containing: C: 0.05% or more to 0.10% or less; Si: 0.5% or less; Mn: 0.7% or more to 1.5% or less; P: 0.05% or less; S: 0.01% or less; Al: 0.01% or more to 0.06% or less; Cr: 0.5% or more to 1.5% or less; V: 0.03% or more to 0.30% or less; and N: 0.005% or less, on a mass percent basis, wherein a ratio of amount of solute V to the V content (amount of solute V/V content) is more than 0.50, and balance comprises Fe and incidental impurities, and a complex-phase microstructure containing ferrite and pearlite.


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Kobayashi, Takashi. (2018). Steel sheet for soft-nitriding and method for manufacturing the same (U.S. Patent No. 10077485). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10077485

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