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:
Mar. 26, 1996
Filed:
Nov. 29, 1994
Applicant:
Inventors:
Rikizou Watanabe, Mooka, JP;
Norio Takahashi, Ohmiya, JP;
Hirofumi Kimura, Mooka, JP;
Toshio Fujita, Tokyo, JP;
Assignee:
Hitachi Metals, Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420 54 ; 420 55 ;
Abstract
Exhaust equipment members are made of a heat-resistant, austenitic cast steel with excellent castability and machinability having a composition consisting essentially, by weight, of 0.2-1% of C, 2% or less of Si, 2% or less of Mn, 8-20% of Ni, 15-30% of Cr, 0.5-6% of Nb, 1-6% of W, 0.01-0.3% of N, optionally 0.01-0.5% of S, C--Nb/8 being 0.05-0.6% and the balance being Fe and inevitable impurities.