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. 22, 2019
Filed:
Nov. 28, 2014
Applicants:
Erasteel, Paris, FR;
Aubert & Duval, Paris, FR;
Inventors:
Johanna André, Uppsala, SE;
Fredrik Sandberg, Uppsala, SE;
M. Atman Benbahmed, Saint-Denis, FR;
Jacques Bellus, Saint Genest-Lerpt, FR;
Assignees:
ERASTEEL, Paris, FR;
AUBERT & DUVAL, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 8/22 (2006.01); C23C 8/26 (2006.01); C23C 8/32 (2006.01); C23C 8/80 (2006.01); C21D 1/06 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/52 (2006.01); F16C 33/62 (2006.01); C21D 9/40 (2006.01); C22C 33/02 (2006.01); B22F 3/15 (2006.01); B22F 5/00 (2006.01); C21D 1/18 (2006.01); C21D 9/36 (2006.01); C22C 33/04 (2006.01); B22F 5/10 (2006.01);
U.S. Cl.
CPC ...
C23C 8/26 (2013.01); B22F 3/15 (2013.01); B22F 5/00 (2013.01); C21D 1/06 (2013.01); C21D 1/18 (2013.01); C21D 9/36 (2013.01); C21D 9/40 (2013.01); C22C 33/02 (2013.01); C22C 33/0278 (2013.01); C22C 33/04 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/52 (2013.01); C23C 8/22 (2013.01); C23C 8/32 (2013.01); C23C 8/80 (2013.01); F16C 33/62 (2013.01); B22F 5/106 (2013.01); B22F 2998/10 (2013.01); C21D 2211/004 (2013.01); C21D 2211/005 (2013.01); C21D 2211/008 (2013.01); C21D 2241/02 (2013.01); F16C 2204/66 (2013.01);
Abstract
A carburisable steel alloy suitable for bearing components comprising, in percent by weight: C 0.05-0.5 wt. % Cr 2.5-5.0 wt. %, Mo 4-6 wt. %, W 2-4.5 wt. %, V 1-3 wt. %, Ni 2-4 wt. %, Co 2-8 wt. %, optionally one or more of the following elements: Nb 0-2 wt. % N 0-0.5 wt. % Si 0-0.7 wt. %, Mn 0-0.7 wt. %, Al 0-0.1 5 wt. %, wherein the combined amount of Nb+V is within the range 1-3.5 wt. %, the combined amount of C+N is within the range 0.05-0.5 wt. %, the balance being Fe and unavoidable impurities.