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:
Apr. 25, 1989
Filed:
Apr. 20, 1987
Applicant:
Inventors:
Assignee:
Nisshin Steel Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420 42 ; 420 62 ; 420 64 ;
Abstract
Ferritic stainless steel consisting essentially of, in % by weight, 0.0050 to 0.0500 of C, 10.00 to 18.00 of Cr, up to 0.50 of Si, up to 0.50 of Mn, more than 0.040 but not more than 0.200 of P, up to 0.030 of S, up to 0.60 of Ni, 0.005 to 0.200 of Sol. Al, and 0.0020 to 0.0050 of B, the balance being Fe and impurities, and having a longitudinal cracking transition temperature of not higher than -10.degree. C. as determined by the cup expansion test hereinbefore described. The steel has excellent formability and secondary workability.