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:
Jun. 30, 2026
Filed:
Jul. 06, 2022
Applicant:
Nippon Steel Stainless Steel Corporation, Tokyo, JP;
Inventors:
Assignee:
NIPPON STEEL STAINLESS STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/46 (2006.01); C21D 8/0221 (2026.01); C22C 38/00 (2006.01); C22C 38/34 (2006.01); C22C 38/44 (2006.01); C22C 38/52 (2006.01); C22C 38/54 (2006.01); C22C 38/58 (2006.01);
U.S. Cl.
CPC ...
C22C 38/58 (2013.01); C21D 8/0226 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/34 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/52 (2013.01); C22C 38/54 (2013.01); C21D 2211/001 (2013.01); C21D 2211/005 (2013.01);
Abstract
An austenite stainless steel material includes, on a mass basis, 0.024% or less of C, 1.00% or less of Si, 2.00% or less of Mn, 0.045% or less of P, 0.015% or less of S, 10.0 to 15.0% of Ni, 15.0 to 22.0% of Cr, 2.0 to 4.0% of Mo, 0.01 to 0.15% of N, 0.001 to 0.010% of B, 0.05 to 1.00% of Co, 0.01 to 0.30% of V, 0.01 to 0.30% of W, the balance being Fe and impurities.