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:
Mar. 02, 2021
Filed:
Mar. 06, 2019
Thyssenkrupp Steel Europe Ag, Duisburg, DE;
Thyssenkrupp Ag, Essen, DE;
Alexander Gaganov, Mülheim an der Ruhr, DE;
Wolfgang Gervers, Duisburg, DE;
Andreas Kern, Ratingen, DE;
Gabriel Kolek, Witten, DE;
Elena Schaffnit, Düsseldorf, DE;
Hans-Joachim Tschersich, Dorsten, DE;
THYSSENKRUPP STEEL EUROPE AG, Duisburg, DE;
THYSSENKRUPP AG, Essen, DE;
Abstract
A hot rolled flat steel product including (in % by weight) of C: 0.05-0.08%, Si: 0.015-0.500%, Mn: 1.60-2.00%, P: up to 0.025%, S: up to 0.010%, Al: 0.020-0.050%, N: up to 0.006%, Cr: up to 0.40%, Nb: 0.060-0.070%, B: 0.0005-0.0025%, Ti: 0.090-0.130%, unavoidable impurities including up to 0.12% Cu, up to 0.100% Ni, up to 0.010% V, up to 0.004% Mo, and up to 0.004% Sb, and the remainder being iron. The hot rolled flat steel product has a yield strength of 700-850 MPa, a fracture elongation of at least 12%, and a microstructure of at least 70% by volume bainitic microstructure.