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:
Aug. 26, 2003
Filed:
Oct. 26, 2001
Satoshi Sugimaru, Kimitsu, JP;
Satoru Tanaka, Kimitsu, JP;
Seiki Nishida, Kimitsu, JP;
Akira Takahashi, Kimitsu, JP;
Atsuhiko Yoshie, Futtsu, JP;
Kazumi Nishimura, Himeji, JP;
Nippon Steel Corporation, Tokyo, JP;
Abstract
The object of the present invention relates to a plated steel material and a method of production the same, having enhanced corrosion resistance and workability required for outdoor and exposed uses such as structures, revetments, fishing nets, fences, etc., and a method to produce the plated steel material having an alloy layer 20 &mgr;m or less in thickness consisting of, in mass, 25% or less of Fe, 30% or less of Al, 5% or less of Mg and the balance consisting of Zn at the interface of a plated layer and a base steel; also relates to a plated steel material and a method of production the same, excellent in corrosion resistance and workability, having, at the interface of a plated layer and a base steel, an alloy layer composed of: an inner alloy layer 5 &mgr;m or less in thickness consisting of, in mass, 15% or more of Fe, 20% or more of Al, 2% or more of Si, 5% or less of Mg and the balance consisting of Zn; and an outer alloy layer 30 &mgr;m or less in thickness consisting of, in mass, 25% or less of Fe, 30% or less of Al, 2% or more of Si, 5% or less of Mg and the balance consisting of Zn.