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. 12, 2019
Filed:
Apr. 29, 2019
Applicant:
Crs Holdings, Inc., Wilmington, DE (US);
Inventor:
Paul M. Novotny, Mohnton, PA (US);
Assignee:
CRS HOLDINGS, INC., Wilmington, DE (US);
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/46 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/34 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C21D 6/00 (2006.01); C21D 1/32 (2006.01);
U.S. Cl.
CPC ...
C22C 38/46 (2013.01); C21D 6/004 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/34 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01); C21D 1/32 (2013.01);
Abstract
A high strength, high toughness steel alloy is disclosed. The alloy has the following broad weight percent composition. Included in the balance are the usual impurities found in commercial grades of steel alloys produced for similar use and properties. Also disclosed is a hardened and tempered article that has very high strength and fracture toughness. The article is formed from the alloy having the broad weight percent composition set forth above. The alloy article according to this aspect of the invention is further characterized by being tempered at a temperature of about 500° F. to 600° F.