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:
May. 19, 1998
Filed:
Sep. 01, 1995
Masahiko Morinaga, Toyohashi, JP;
Yoshinori Murata, Toyohashi, JP;
Shigeharu Ukai, Mito, JP;
Sakae Shikakura, Mito, JP;
Makoto Harada, Koobe, JP;
Toshio Nishida, Higashiibaraki-gun, JP;
Doryokuro Kakunenryo Kaihatsu Jigyodan, Tokyo, JP;
Toyohashi University of Technology, Aichi, JP;
Abstract
A high-Ni austenitic stainless steel having swelling resistance, high-temperature creep strength, and phase stability under irradiation. The irradiation resistance and high-temperature strength of the high-Ni austenitic stainless steel are enhanced when it is composed of the following percentages by weight: Si, not exceeding 0.5 wt. %; Mn, not exceeding 1.0 wt. %; Cr, 13-18 wt. %; Ni, 30-50 wt. %; Mo+W=2.0-6.0 wt. %; Nb+V=0.1-0.8 wt. % (Nb/(Nb+V) �weight ratio!=0.20-0.85 �weight ratio!; N, 0.01-0.2 wt. %; and the residual consisting of Fe and unavoidable impurities.