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:
Sep. 13, 2011
Filed:
Aug. 26, 2009
Applicant:
John H. Magee, Jr., Reading, PA (US);
Inventor:
John H. Magee, Jr., Reading, PA (US);
Assignee:
CRS Holdings, Inc., Wilmington, DE (US);
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/20 (2006.01); C22C 38/22 (2006.01); C22C 38/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
A corrosion resistant, martensitic steel alloy having very good cold formability is described. The alloy has the following weight percent composition. The balance of the alloy is essentially iron. Nickel and copper are balanced in the alloy such that the ratio Ni/Cu is less than 0.2. A second embodiment of the alloy contains at least about 0.005% sulfur, selenium, or a combination thereof to provide good machinability.