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:
Feb. 08, 1994
Filed:
Feb. 26, 1993
Nobuo Shikanai, Kawasaki, JP;
Yasunobu Kunisada, Kawasaki, JP;
Tetsuya Sanpei, Kawasaki, JP;
Kazunori Yako, Kawasaki, JP;
Kenji Hirabe, Kawasaki, JP;
NKK Corporation, Tokyo, JP;
Abstract
An abrasion-resistant steel consists essentially of 0.05 to 0.45 wt. % C, 0.1 to 1 wt. % Si, 0.1 to 2 wt. % Mn, 0.05 to 1.5 wt. % Ti and the balance being Fe and inevitable impurities, the steel includes at least 200 of precipitates of 1 .mu.m or more in particle size per 1 mm.sup.2 and the precipitates contains Ti. In addition to the above basic elements, at least one element selected from the group consisting of 0.1 to 2 wt. % Cu, 0.1 to 10 wt. % Ni, 0.1 to 3 wt. % Cr, 0.1 to 3 wt. % Mo and 0.0003 to 0.01 wt. % B is added to steel or at least one element selected from the group consisting of 0.005 to 1 wt. % Nb and 0.01 to 1 wt. % V is added to steel.