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:
Nov. 08, 2022
Filed:
Nov. 02, 2018
Applicant:
AK Steel Properties, Inc., West Chester, OH (US);
Inventors:
Erik James Pavlina, Lebanon, OH (US);
Stephen Bryant Tate, Midland, NC (US);
Assignee:
Cleveland-Cliffs Steel Properties Inc., West Chester, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 1/19 (2006.01); B23K 26/322 (2014.01); B23K 35/30 (2006.01); C22C 38/04 (2006.01); C22C 38/32 (2006.01); C22C 38/38 (2006.01); C22C 38/22 (2006.01); C22C 38/26 (2006.01); C22C 38/28 (2006.01); C22C 38/24 (2006.01); C22C 38/02 (2006.01); C21D 6/00 (2006.01); C22C 38/12 (2006.01); C22C 38/14 (2006.01); C23C 2/12 (2006.01); C23C 2/06 (2006.01); C21D 1/22 (2006.01); C23C 2/28 (2006.01); B23K 101/18 (2006.01); B23K 103/04 (2006.01); B23K 101/34 (2006.01); C21D 9/46 (2006.01); B21D 22/02 (2006.01); C21D 1/673 (2006.01); B21D 35/00 (2006.01);
U.S. Cl.
CPC ...
B23K 26/322 (2013.01); B23K 35/3073 (2013.01); B23K 35/3086 (2013.01); C21D 1/19 (2013.01); C21D 1/22 (2013.01); C21D 6/002 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/12 (2013.01); C22C 38/14 (2013.01); C22C 38/22 (2013.01); C22C 38/24 (2013.01); C22C 38/26 (2013.01); C22C 38/28 (2013.01); C22C 38/32 (2013.01); C22C 38/38 (2013.01); C23C 2/06 (2013.01); C23C 2/12 (2013.01); C23C 2/28 (2013.01); B21D 22/022 (2013.01); B21D 35/006 (2013.01); B23K 2101/185 (2018.08); B23K 2101/34 (2018.08); B23K 2103/04 (2018.08); C21D 1/673 (2013.01); C21D 9/46 (2013.01);
Abstract
A tailor-welded blank is made of two steels, one steel of Alloy A and one steel of Alloy B. Alloy A comprises 0.10-0.50 wt % C, 0.1-0.5 wt % Si, 2.0-8.0 wt % Mn, 0.0-6.0 wt % Cr, 0.0-2.0 wt % Mo, 0.0-0.15 wt % Ti, and 0.0-0.005 wt % B and wherein Alloy B comprises 0.06-0.12 wt % C, 0.1-0.25 wt % Si, 1.65-2.42 wt % Mn, 0.0-0.70 wt % Cr, 0.08-0.40 wt % Mo, 0.0-0.05 wt % V, and 0.01-0.05 wt % Ti.