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:
Jun. 16, 1987
Filed:
May. 28, 1986
Applicant:
Inventor:
William Roberts, Hagfors, SE;
Assignee:
Uddeholm Tooling Aktiebolag, Hagfors, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75 53 ; 148 / ; 148 / ; 148328 ; 148336 ; 420109 ;
Abstract
A method for manufacturing a low-alloy steel product having a very high hardenability in relation to its alloying content is disclosed. The method includes the steps of melting the steel; adding thereto a micro-alloying ingredient selected from the group consisting of aluminum, titanium, and aluminum and titanium together; superheating the melt to a temperature of at least 1625.degree. C., holding the melt at that temperature level for at least two minutes; teeming and costing the melt to form ingots and hot-working the ingots to form a low alloy steel product.