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:
Jul. 19, 1983
Filed:
Aug. 06, 1981
Applicant:
Inventors:
Jirou Harase, Munakata, JP;
Tadashi Nakayama, Kitakyushu, JP;
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
148 / ; 148 37 ;
Abstract
Process for producing a ferrite stainless steel having excellent workability, comprising hot rolling a ferrite stainless steel slab with a total reduction of at least 80% in a temperature range of from 1150.degree. C. to 900.degree. C. at the central portion of the slab thickness, and, without annealing the hot rolled sheet, cold rolling the hot rolled sheet by a single step into a final thickness.