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, 2013
Filed:
Apr. 02, 2009
Applicant:
Heike Hattendorf, Werdohl, DE;
Inventor:
Heike Hattendorf, Werdohl, DE;
Assignee:
Outokumpu VDM GmbH, Werdohl, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/22 (2006.01); C22C 38/06 (2006.01); H05B 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An iron-chromium-aluminum alloy having a long service life and exhibiting little change in heat resistance, comprising (as percentages by weight) 4.5 to 6.5% Al, 16 to 24% Cr, 1.0 to 4.0% W, 0.05 to 0.7% Si, 0.001 to 0.5% Mn, 0.02 to 0.1% Y, 0.02 to 0.1% Zr, 0.02 to 0.1% Hf, 0.003 to 0.030% C, 0.002 to 0.03% N, a maximum of 0.01% S, and a maximum of 0.5% Cu, the remainder being iron and the usual steel production-related impurities.