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:
Jun. 23, 2020
Filed:
Jul. 10, 2017
Applicant:
Kobe Steel, Ltd., Kobe-shi, JP;
Inventors:
Junichi Kawata, Fujisawa, JP;
Kazuhiro Fukuda, Fujisawa, JP;
Assignee:
Kobe Steel, Ltd., Kobe-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/30 (2006.01); B23K 35/36 (2006.01); B23K 9/18 (2006.01); B23K 35/02 (2006.01); B23K 103/04 (2006.01);
U.S. Cl.
CPC ...
B23K 35/3033 (2013.01); B23K 9/18 (2013.01); B23K 35/0261 (2013.01); B23K 35/304 (2013.01); B23K 2103/04 (2018.08);
Abstract
A submerged arc welding process using welding wire containing, based on the total mass of the welding wire, Ni: 50% or more by mass, Cr: 14.5% to 16.5% by mass, Mo: 15.0% to 17.0% by mass, W: 3.0% to 4.5% by mass, Fe: 4.0% to 7.0% by mass, and C, Si, Mn, P, S, Cu, V, Co, and Al: a predetermined amount or less, and a bonded flux containing, based on the total mass of the bonded flux, AlO: 35% to 55% by mass, SiO: 5% to 25% by mass, CaO: 2% to 10% by mass, CaF: 25% to 45% by mass, and NaO: 2% to 4% by mass.