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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 9505088 B1

PDFFull Text
Date of Patent:
Nov. 29, 2016

Filed:

Nov. 06, 2013

Flux-cored wire, welding method using flux-cored wire, method for manufacturing weld joint using flux-cored wire, and weld joint

Applicant:

Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;

Inventors:

Shuichi Nakamura, Renens, CH;

Yasuhito Totsuka, Chiba, JP;

Kazuhiro Kojima, Chiba, JP;

Ryuichi Shimura, Kimitsu, JP;

Assignee:

NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Thien S Tran

Int. Cl.
CPC ...
B23K 35/02 (2006.01); B23K 35/368 (2006.01); B23K 35/30 (2006.01); B23K 35/36 (2006.01); B23K 35/362 (2006.01); C22C 38/04 (2006.01); C22C 38/08 (2006.01); C22C 38/12 (2006.01); C22C 38/14 (2006.01); B23K 9/02 (2006.01); B23K 9/173 (2006.01); B23K 9/23 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/06 (2006.01); C22C 38/16 (2006.01); C22C 38/40 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/48 (2006.01); C22C 38/50 (2006.01); C22C 38/54 (2006.01); C22C 38/58 (2006.01);
U.S. Cl.
CPC ...
B23K 35/368 (2013.01); B23K 9/02 (2013.01); B23K 9/173 (2013.01); B23K 9/23 (2013.01); B23K 35/0244 (2013.01); B23K 35/0255 (2013.01); B23K 35/0261 (2013.01); B23K 35/0266 (2013.01); B23K 35/3053 (2013.01); B23K 35/3066 (2013.01); B23K 35/362 (2013.01); B23K 35/3602 (2013.01); B23K 35/3605 (2013.01); B23K 35/3606 (2013.01); C22C 38/002 (2013.01); C22C 38/004 (2013.01); C22C 38/005 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/08 (2013.01); C22C 38/12 (2013.01); C22C 38/14 (2013.01); C22C 38/16 (2013.01); C22C 38/40 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/48 (2013.01); C22C 38/50 (2013.01); C22C 38/54 (2013.01); C22C 38/58 (2013.01); Y10T 403/479 (2015.01);
Abstract

In a flux-cored wire according to the present invention, CaFand the like are included and a total amount thereof α is 3.3 to 6.0% in terms of mass % with respect to a total mass, Ti oxide and the like are included and a total amount thereof β is 0.4 to 1.2% in terms of mass % with respect to the total mass, CaCOand the like are included and a total amount thereof is 0.1 to 0.5% in terms of mass % with respect to the total mass, and an amount of an iron powder in the flux is less than 10% in terms of mass % with respect to the total mass.

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