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:
Jan. 15, 1991
Filed:
Jun. 08, 1990
Applicant:
Inventors:
Erik B Van Perlstein, Beverwijk, NL;
Huibert W den Hartog, Noordwijkerhout, NL;
Assignee:
Hoogovens Groep B.V., IJmuiden, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148320 ; 420126 ;
Abstract
A non-ageing low-alloy hot-rolled strip-form formable steel has a carbon content of between 0.02 and 0.10 wt. % and a thickness of between 0.5 and 5.0 mm. In order to bind N so as to achieve a non-ageing steel, while permitting direct entry of the steel to rolling from casting, the contents of titanium, nitrogen and sulphur in wt. % satisfy the conditions: