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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.:

US 11193195 B1

PDFFull Text
Date of Patent:
Dec. 07, 2021

Filed:

May. 17, 2018

Component for hot-dip metal plating bath

Applicants:

Tocalo Co., Ltd., Hyogo, JP;

Daido Steel Co., Ltd., Aichi, JP;

Daido Castings Co., Ltd., Aichi, JP;

Inventors:

Junichi Takeuchi, Hyogo, JP;

Masaya Nagai, Chiba, JP;

Shinichi Kubo, Chiba, JP;

Masashi Nagaya, Aichi, JP;

Yoshinori Sumi, Aichi, JP;

Yoshihiko Koyanagi, Aichi, JP;

Hiroyuki Takabayashi, Aichi, JP;

Yasuhiro Takenaka, Aichi, JP;

Assignees:

TOCALO CO., LTD., Hyogo, JP;

DAIDO STEEL CO., LTD., Aichi, JP;

DAIDO CASTINGS CO., LTD., Aichi, JP;

Attorneys:

Millen, White, Zelano & Branigan, PC

Ryan Pool

Primary Examiner:

Humera N Sheikh

Assistant Examiner:

Katherine A Christy

Int. Cl.
CPC ...
C23C 4/067 (2016.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/20 (2006.01); C22C 38/22 (2006.01); C22C 38/24 (2006.01); C22C 38/28 (2006.01); C22C 38/30 (2006.01); C22C 38/32 (2006.01); C22C 38/48 (2006.01); C23C 4/10 (2016.01); C22C 38/08 (2006.01); C22C 38/10 (2006.01); C22C 38/34 (2006.01); C22C 38/38 (2006.01); C22C 38/18 (2006.01); C23C 4/11 (2016.01);
U.S. Cl.
CPC ...
C23C 4/11 (2016.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/08 (2013.01); C22C 38/10 (2013.01); C22C 38/18 (2013.01); C22C 38/20 (2013.01); C22C 38/22 (2013.01); C22C 38/24 (2013.01); C22C 38/28 (2013.01); C22C 38/30 (2013.01); C22C 38/32 (2013.01); C22C 38/34 (2013.01); C22C 38/38 (2013.01); C22C 38/48 (2013.01); C23C 4/067 (2016.01); C23C 4/10 (2013.01);
Abstract

A component for a hot-dip metal plating bath includes a base material and a thermal spray coating disposed to cover a surface of the base material. The base material includes ferritic stainless steel that contains: C: 0.10% to 0.50% by mass; Si: 0.01% to 4.00% by mass; Mn: 0.10% by mass to 3.00% by mass; Cr: 15.0% to 30.0% by mass; a total of Nb, V, Ti, and Ta: 0.9% by mass to 5.0% by mass; and a balance of Fe and unavoidable impurities. The ferritic stainless steel includes a microstructure that includes a ferrite phase as a main phase and a crystallized carbide, an area fraction of a Nb carbide, a Ti carbide, a V carbide, a Ta carbide, and a composite carbide thereof to the crystallized carbide of 30% or more. The hot-dip metal plating bath contains 50% by mass or more of Al.

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