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:
Apr. 28, 2026
Filed:
Dec. 10, 2021
Applicant:
Posco Co., Ltd, Pohang-si, KR;
Inventors:
Assignee:
POSCO CO., LTD, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/42 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01);
U.S. Cl.
CPC ...
C22C 38/42 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01);
Abstract
Disclosed is a martensitic stainless steel with excellent hardenability through the control of a component system. The martensitic stainless steel with excellent hardenability comprises, in percent by weight (wt %), 0.01 to 0.1% of C, 0.05 to 0.1% of Si, 0.05 to 1.0 of Mn, 11.0 to 14.0% of Cr, 0.05 to 1.0% of Ni, 0.05 to 2.0% of Cu, to 0.08% of N, and the balance of Fe and inevitable impurities, and satisfies Formula (1).1.0≤Mn+Ni+Cu≤2.5, Formula (1):wherein Mn, Ni, and Cu denote contents (wt %) of elements, respectively.
Quick Actions:
Kang, Hyung-Gu. (2026). Martensitic stainless steel with excellent hardenability (U.S. Patent No. 12612684). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12612684
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile