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:
Aug. 04, 2026
Filed:
Jun. 05, 2023
Thyssenkrupp Steel Europe Ag, Duisburg, DE;
Jfe Steel Corporation, Tokyo, JP;
Richard G. Thiessen, Malden, NL;
Manuela Irnich, Rheinberg, DE;
Nicholas Winzer, Düsseldorf, DE;
Shigehiro Takajo, Tokyo, JP;
Lingling Yang, Tokyo, JP;
Yuki Toji, Tokyo, JP;
ThyssenKrupp Steel Europe AG, Duisburg, DE;
JFE Steel Corporation, Tokyo, JP;
Abstract
A high strength, cold rolled steel flat product, and a method of its manufacture, with reduced sensitivity to hydrogen embrittlement including a steel substrate which, in % by mass, consists of C: 0.20 to 0.40%, Mn: 1.50 to 3.00%, Si: 0.90 to 1.50%, Al: 0.005 to 1.00%, V: 0.07 to 0.30%, optionally Cr: 0.01 to 1.00%, optionally Mo: 0.005 to 0.20%, optionally B: 0.00001 to 0.002%, optionally Nb and Ti the total content of Nb and Ti being 0.005 to 0.2%, P: up to 0.020%, S: up to 0.005%, N: up to 0.008%, and as the remainder Fe and unavoidable impurities, the sum of the shares of the impurities being ≤0.8%.