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. 31, 2004
Filed:
Mar. 27, 2002
Applicant:
Inventors:
Assignee:
JFE Steel Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 3/522 ;
U.S. Cl.
CPC ...
B23K 3/522 ;
Abstract
A steel wire for MAG welding in DC-electrode negative contains about 0.20% by mass or less of C, about 0.25% to about 2.5% by mass of Si, about 0.45% to about 3.5% by mass of Mn, about 0.005% to about 0.040% by mass of rare-earth elements, about 0.05% by mass or less of P, about 0.05% by mass or less of S, and the balance being Fe and incidental impurities. A method for MAG welding in DC-electrode negative for welding steel sheets having a thickness of about 0.2 to about 4.5 mm using the steel wire is also disclosed.