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. 13, 2013
Filed:
Dec. 12, 2007
Applicants:
Dwaine L. Klarstrom, Kokomo, IN (US);
Steven J. Matthews, Greentown, IN (US);
Venkat R. Ishwar, Carmel, IN (US);
Inventors:
Dwaine L. Klarstrom, Kokomo, IN (US);
Steven J. Matthews, Greentown, IN (US);
Venkat R. Ishwar, Carmel, IN (US);
Assignee:
Haynes International, Inc., Kokomo, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 19/05 (2006.01); C22C 30/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A weldable, high temperature oxidation resistant alloy with low solidification crack sensitivity and good resistance to strain age cracking. The alloy contains by weight percent, 25% to 32% iron, 18% to 25% chromium, 3.0% to 4.5% aluminum, 0.2% to 0.6% titanium, 0.2% to 0.4% silicon, 0.2% to 0.5% manganese and the balance nickel plus impurities. The Al+Ti content should be between 3.4 and 4.2 and the Cr/Al ratio should be from about 4.5 to 8.