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. 14, 1976
Filed:
Jan. 22, 1975
Applicant:
Inventor:
Orville W Reen, Lower Burrell, PA (US);
Assignee:
Allegheny Ludlum Industries, Inc., Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ; B22F / ;
U.S. Cl.
CPC ...
29182 ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 75 / ; 75 / ; 291825 ;
Abstract
A sintered stainless steel having an overall density of at least 95% of full density and a morphology comprised of regions of sintered austenitic stainless steel and regions of solidified liquid phase. Moreover, a sintered steel which is made by: pressing and sintering pre-alloyed powder consisting essentially of, by weight, up to 0.05% carbon, 22 to 26% chromium, 10 to 24% nickel, 2.7 to 5% molybdenum, 0.1 to 1% boron, up to 2.0% manganese, up to 2.0% silicon, balance iron and residuals.