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. 05, 1982
Filed:
Mar. 24, 1980
Applicant:
Inventors:
James H Page, Machen, GB;
Alan Coombs, Newport, GB;
Assignee:
British Steel Corporation, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148120 ; 148 / ; 148 / ;
Abstract
A method for producing a non-silicon steel for electro magnetic applications includes the steps of producing a vacuum de-gassed steel melt containing less than 0.025% by weight of carbon, between 0.1% and 1.0% of manganese, between 0.01% and 0.15% phosphorus, not more than 0.02% of sulphur, not more than 0.007% of nitrogen, with titanium within the range of 0.05% to 0.25%, the reminder being iron, except for incidental impurities, hot rolling slab derived from the melt, using a finishing temperature within the range 900.degree. C. to 950.degree. C. and coiling the resulting hot rolled strip at a temperature of not less than 700.degree. C.