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:
Oct. 11, 1983
Filed:
Jun. 28, 1982
Applicant:
Inventors:
James N Cordea, Monroe, OH (US);
Harshad V Sheth, Rancho Palos Verdes, CA (US);
Assignee:
Armco Inc., Middletown, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
7512 / ; 7512 / ; 7512 / ; 148 36 ;
Abstract
Alloy steel having particular utility for roll caster shells used in the direct casting of molten aluminum to sheet, consisting essentially of from 0.50% to 0.60% carbon, about 0.40% to about 1.0% manganese, 0.10% to 0.30% silicon, about 0.02% maximum phosphorus, about 0.02% maximum sulfur, 0.40% to 0.90% nickel, 1.50% to 3.00% chromium, 0.80% to 1.20% molybdenum, 0.30% to 0.50% vanadium, and balance essentially iron. Caster shells fabricated from the steel exhibit markedly longer service life.