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 9677159 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 13, 2017

Filed:

Nov. 12, 2014
Applicant:

Posco, Pohang-si, Gyeongsangbuk-do, KR;

Inventors:

Man-Jin Ha, Pohang-si, KR;

Sung-Jin Park, Pohang-si, KR;

Byoung-Jun Song, Pohang-si, KR;

Assignee:

POSCO, Pohang-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 8/02 (2006.01); C22C 38/18 (2006.01); C21D 6/00 (2006.01); B22D 11/00 (2006.01); B22D 11/12 (2006.01);
U.S. Cl.
CPC ...
C22C 38/18 (2013.01); B22D 11/002 (2013.01); B22D 11/1206 (2013.01); C21D 6/002 (2013.01); C21D 8/0215 (2013.01); C21D 2211/008 (2013.01);
Abstract

A method of manufacturing a martensitic stainless steel sheet by allowing ingot steel to pass through two casting rolls rotating in opposing directions through a twin roll strip caster is provided. The method includes rolling a steel sheet cast between the casting rolls at a temperature of 1000 to 1200° C. and a draft percentage of 25 to 50% with a first roller, and rolling the steel sheet at a temperature of 800 to 1000° C. and a draft percentage of 5 to 15% with a second roller.


Find Patent Forward Citations

Ha, Man-Jin. (2017). Method of manufacturing martensitic stainless steel sheet using twin roll strip caster (U.S. Patent No. 9677159). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9677159

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

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