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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 10072320 B1

PDFFull Text
Date of Patent:
Sep. 11, 2018

Filed:

Jun. 04, 2014

Method of producing steel material

Applicant:

Jfe Steel Corporation, Tokyo, JP;

Inventors:

Kohei Furumai, Tokyo, JP;

Norichika Aramaki, Tokyo, JP;

Yuji Miki, Tokyo, JP;

Takeshi Murai, Tokyo, JP;

Toru Inoue, Tokyo, JP;

Yukio Usui, Tokyo, JP;

Tomoharu Ishida, Tokyo, JP;

Assignee:

JFE Steel Corporation, Tokyo, JP;

Attorney:

RatnerPrestia

Primary Examiner:

Jennifer A Smith

Assistant Examiner:

Alexandra Marie Moore

Int. Cl.
CPC ...
C22C 1/06 (2006.01); C21C 7/04 (2006.01); G01N 21/67 (2006.01); C21C 7/10 (2006.01); C22C 1/02 (2006.01); G01N 21/69 (2006.01);
U.S. Cl.
CPC ...
C22C 1/06 (2013.01); C21C 7/04 (2013.01); C21C 7/10 (2013.01); C22C 1/02 (2013.01); G01N 21/67 (2013.01); G01N 21/69 (2013.01); G01N 2021/695 (2013.01);
Abstract

A method of producing a steel material includes a step of adding Ca to molten steel with an amount of Ca adjusted within a range satisfying the formula (1) below: where Ca is the amount [kg] of Ca added, y is an yield [%] of Ca, [S] is a concentration [% by mass] of S in the steel before addition of Ca, [AlO] is an amount [% by mass] of AlOin the steel before addition of Ca, and W is a weight [kg] of the molten steel.

Find Patent Forward Citations

Furumai, Kohei. (2018). Method of producing steel material (U.S. Patent No. 10072320). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10072320

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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