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. 16, 1977
Filed:
Jul. 06, 1976
Applicant:
Inventors:
Jerry D Thomas, North Royalton, OH (US);
William F Hladio, Homewood, IL (US);
Leo V Scott, Warren, OH (US);
Assignee:
Republic Steel Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ; C22C / ;
U.S. Cl.
CPC ...
75129 ; 75 58 ; 7512 / ; 7512 / ;
Abstract
Effective, low cost sulfide shape control is obtained using in combination titanium and a rare earth metal, e.g., mischmetal, in steels meeting the following specifications: at least 0.020% aluminum, no more than 0.010% nitrogen, no more than 0.025% sulfur, no more than 0.70% manganese, at least 0.020% titanium, and at least 0.020% of at least one rare earth metal. The steels are characterized by sulfide inclusions having a globular and/or fine, short blocky shape.