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. 14, 1998
Filed:
Mar. 17, 1997
Applicant:
Inventors:
Jean-Michel Hauser, Ugine, FR;
Pascale Haudrechy, Ugine, FR;
Assignee:
Usinor Sacilor, Puteaux, FR;
Primary Examiner:
Int. Cl.
CPC ...
C21D / ; C21D / ; C22C / ;
U.S. Cl.
CPC ...
148325 ; 148605 ; 148609 ; 420 68 ;
Abstract
The present invention relates to a process for producing a ferritic stainless steel having an improved corrosion resistance, and especially resistance to intergranular corrosion and to pitting corrosion. The steel is subjected, in a first phase, to cooling at a rate of between 400.degree. C. and 600.degree. C./hour down to a temperature of 900.degree. C. and then, in a second phase, to rapid cooling at a rate of between 1200.degree. C. and 1400.degree. C./h.
Quick Actions:
Hauser, Jean-Michel. (1998). Process for producing a ferritic stainless steel having an improved (U.S. Patent No. 5779820). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5779820
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile