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.

Date of Patent:
Mar. 13, 2001

Filed:

Sep. 17, 1998
Applicant:
Inventors:

Mark S. Rodney, Pittsburgh, PA (US);

James L. Maloney, III, Greensburg, PA (US);

George Waid, Orwell, OH (US);

Assignee:

Latrobe Steel Company, Latrobe, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 3/822 ; C22C 3/824 ; C22C 3/828 ;
U.S. Cl.
CPC ...
C22C 3/822 ; C22C 3/824 ; C22C 3/828 ;
Abstract

An alloy steel having the capability of retaining high hardness at elevated temperature for a prolonged time is suitable for use as a high speed tool steel. The alloy steel comprises in % by weight: 0.7-1.4 C; less than 1 Mn; less than 0.04 P; up to 0.7 Si; 3-6 Cr; 4-12 Mo; less than 0.5 Co; 0.5-2.25 V; 1-7 W; up to 1.25 Al; at least one of 0.04-2.5 Nb; 0.025-2.5 Zr; 0.08-4.75 Ta and 0.005-0.7 Ti; balance substantially Fe. The alloy may also have an S content of 0.036-0.300; Mn of 0.30-1.35 and may optionally be treated when in a liquid state with up to 0.05 of Mg or Ca.


Find Patent Forward Citations

Rodney, Mark. (2001). Cobalt free high speed steels (U.S. Patent No. 6200528). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6200528

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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