Title:
FLUX CORED WIRE FOR CO2 GAS SHIELDED ARC WELDING USING DC STRAIGHT POLARITY AND WELDING METHOD THEREOF
Document Type and Number:
Japanese Patent JP3513380
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for welding galvanized sheet iron using a flux cored wire as well as to provide a wire which generates small amount of spatter in a range of welding current (70-300 A or so) from a low current to a medium current, gives welded metal excellent in toughness, and is excellent in weldability in all position welding, and which is used as a flux cored wire for CO2 gas shielded arc welding using DC straight polarity.
SOLUTION: The flux contains the following components based on total weight of the wire, by weight, 2-3.5% Al, 0.1-0.9% Mg, 1-5% BaF2 (converted Ba: 0.8-4%) and 0.01-1% Zr, and the flux packing ratio to the total weight of the wire is 5-30 weight %.
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Inventors:
Kurokawa, Tsuyoshi
Koshiishi, Fusaki
Uchiyama, Hajime
Koshiishi, Fusaki
Uchiyama, Hajime
Application Number:
JP1265498A
Publication Date:
March 31, 2004
Filing Date:
January 26, 1998
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
B23K9/173; B23K9/23; B23K35/368; (IPC1-7): B23K35/368; B23K9/173; B23K9/23
Attorney, Agent or Firm:
梶 良之