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:
Apr. 05, 2022
Filed:
Mar. 15, 2017
Applicant:
Erasteel Sas, Paris, FR;
Inventors:
Assignee:
Erasteel SAS, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/30 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/00 (2006.01); C22C 38/26 (2006.01); C22C 38/24 (2006.01); C22C 38/22 (2006.01); C21D 6/00 (2006.01); C22C 38/60 (2006.01); C22C 38/10 (2006.01); C21D 6/02 (2006.01);
U.S. Cl.
CPC ...
C22C 38/30 (2013.01); C21D 6/007 (2013.01); C22C 38/00 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/10 (2013.01); C22C 38/22 (2013.01); C22C 38/24 (2013.01); C22C 38/26 (2013.01); C22C 38/60 (2013.01); C21D 6/002 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 6/02 (2013.01); C21D 2211/004 (2013.01);
Abstract
A steel alloy intended for cutting applications and hot working tools, comprising, in weight percent (wt. %), C: 0.40-1.2 wt. %, Si: 0.30-2.0 wt. %, Mn: max 1.0 wt. %, Cr: 3.0-6.0 wt. %, Mo: 0-4.0 wt. %, W: 0-8.0 wt. %, wherein (Mo+W/2)≥3.5 wt. %, Nb: 0-4.0 wt. %, V: 0-4.0 wt. %, wherein 1.0 wt. %≤(Nb+V)≤4.0 wt. %, Co: 25-40 wt. %, S: max 0.30 wt. %, N: max 0.30 wt. %, the balance being Fe and unavoidable impurities.