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:
Sep. 04, 2012
Filed:
Aug. 21, 2007
Applicants:
Tilmann Haug, Weissenhorn, DE;
Wolfgang Kleinekathoefer, Waldstetten, DE;
Frédéric Pol, Feldkirch, AT;
Inventors:
Tilmann Haug, Weissenhorn, DE;
Wolfgang Kleinekathoefer, Waldstetten, DE;
Frédéric Pol, Feldkirch, AT;
Assignee:
Daimler AG, Stuttgart, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 38/18 (2006.01); B21D 31/00 (2006.01); C21D 6/00 (2006.01); C21D 8/00 (2006.01); C22C 38/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
UHC lightweight structural steel with improved scaling resistance, comprising the composition in % by weight C: 1 to 1.6, Al: 5 to 10, Cr: 0.5 to 3, Si: 0.1 to 2.8, the remainder iron and customary impurities accompanying steel, and a method for producing components hot-formed from this in air, wherein hot-forming temperatures of from 800 to 1050° C. are used, depending on the Si content.